MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a pattern of obfuscated and disposable URLs, likely for phishing or malware distribution. No scripts were extracted, but the overall structure points to a malicious document intended to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9704
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ketchas.ru/uplcv?utm_term=national+building+specification+pdf PDF link annotation
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16075bbfdb5fb4---gozubibireg.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a24e37ae390---kapetuwe.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b59f88a5420---51636277997.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/srl72n76pf19lskfql0olfnj75/14607837425.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2f1669926c---38714672092.pdfIn PDF document text
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/16076f5f96098e---59544786317.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074135d5d783---3819422916.pdfIn PDF document text
- http://champaigncursillo.com/userfiles/file/tivop.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/e8bf104fda739f70c5af2786c5141bc7/pizedisivodapifiwamox.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/35420035304.pdfIn PDF document text
- http://villa-carlshorst.de/sites/default/files/file/vetonox.pdfIn PDF document text
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/72450819778.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16078df8565668---dazolopudavepixegawod.pdfIn PDF document text
- https://palcev.ru/userfiles/file/kirejuxanap.pdfIn PDF document text
- http://yavuzselimvakfi.org/resimler/site/files/11196980551.pdfIn PDF document text
- http://nfrostov.ru/upload/files/31200213910.pdfIn PDF document text
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/c6d1798763a973854d4b9e56ef68e18e/49058422488.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/6cld8pjpomrd1c3nf0p2net6k2/nudagatuzalifuturewegopa.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608d60d4abd2a---17551532702.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/d5140f657777a93ff7bf1f209ab4023c/koxapaxazovalitesevapasa.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e4325a41333---polasonunifulibekunak.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d23102d0f83---31338085274.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/medufa.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/bkumij2nsuim53vkblp4j7q3dl/vusibamavekizixes.pdfIn PDF document text
- http://emotionpicturesfestival.gr/userfiles/file/63672162498.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/qrgij2otdv7s9fnssesi5sujkc/57352556671.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ce31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE31 | 31488 bytes |
SHA-256: fc6976c1b5cca82233f6f5720b9b7a455f160ba15a510a4f75e9f4f51c4371f8 |
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font_01_sfnt_off000123fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123FC | 10912 bytes |
SHA-256: 8e50c2bff8dcddab1a27aeff45b0fb558fa682be8c4dddf0d5858db74edd6cc8 |
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font_02_sfnt_off00013cef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00015501.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15501 | 16372 bytes |
SHA-256: c0b8fadba894de37301e016778bcdab42ba4251169e040d0eb067c028154f0f2 |
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