MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/d7d9ffb40449c6388dc65abbbd37fe73/bepugowasexulemonuxilol.pdf In PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b66ce654698---57889148154.pdfIn PDF document text
- https://alrashed-alsaleh.com/userfiles/files/80477852403.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///7878431570.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/godajefosewevadoju.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/1188850257fc197216d1d56a6033b289/8871222721.pdfIn PDF document text
- http://pwr-tech.ru/userfiles/file/zevizavenedolumom.pdfIn PDF document text
- http://sccsfz.org/upload/2021-08/93230403408.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1612190e108872---vojabugekej.pdfIn PDF document text
- http://fluellentrees.com/clients/58222/File/32282318373.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/703eccf28567bbf0f91ca341c6aa9456/82923434213.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/vopuleraz.pdfIn PDF document text
- http://industrialdevices.in/uploads/muwawoluliketujiwogodogej.pdfIn PDF document text
- https://drddvichitra.com/userfiles/file/35720907186.pdfIn PDF document text
- http://cnkls.com/userfiles/file/1627559732.pdfIn PDF document text
- http://pensacolahigh1964.com/clients/1/1d/1d652d7f5bd5fd2f3712913460b20393/File/32080211357.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a55c55dce43---kuboroxufaxaroneme.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/gumuvizubivarejakemipam.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/no8d1osn4l5or2mvuap9c11n40/wifikiwumigajutuput.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160772c14189fb---tumokijizel.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a86f768cd08---xisagawefowirenizeg.pdfIn PDF document text
- http://anthonyvienna.com/sites/default/files/file/finev.pdfIn PDF document text
- http://vetcarefoundation.org/userfiles/file/44477484086.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=frosty+factory+235r+manualPDF link annotation
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d380.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD380 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB92 | 19176 bytes |
SHA-256: db54b95d70d56042a2527df9adc23c52114b09ffc51c28e6563efe9a1324324f |
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font_02_sfnt_off00011d72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D72 | 10892 bytes |
SHA-256: 92b526d84abcd50d27448b25be5bb505af2bf10f0fcf48c85964f6670d9b5133 |
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