MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The presence of embedded URLs and the overall structure point towards an attempt to redirect users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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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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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://laborke.ru/uplcv?utm_term=zoom+gesture+android PDF link annotation
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140162005571---95594732014.pdfIn PDF document text
- https://egokituz.org/files/galeria/files/rupogoz.pdfIn PDF document text
- http://dailygiasi.com/uploads/userfiles/file/92428179028.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/18905477431.pdfIn PDF document text
- http://bluelakehomestay.com/uploads/image/files/42512612694.pdfIn PDF document text
- http://sk-uralstroy.ru/uploads/files/69766781614.pdfIn PDF document text
- https://buffinvestment.com/upload/ckfinder/files/52912828656.pdfIn PDF document text
- http://vizugy.hu/uploads/files/fesofotoko.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161364dbb57210---60919081060.pdfIn PDF document text
- https://isosklo.cz/uploads/39958396509.pdfIn PDF document text
- http://niezapominajkowo.eu/userfiles/file/45653007212.pdfIn PDF document text
- http://www.louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/newadusokewezis.pdfIn PDF document text
- http://sun-green.de/ckfinder/userfiles/files/97749155275.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/161424bb92d5eb---xetux.pdfIn PDF document text
- http://fese.in/ienupdimages/images/files/gufaraz.pdfIn PDF document text
- https://cam-ceeds.org/ckfinder/userfiles/files/najejidixevuripisubedut.pdfIn PDF document text
- http://www.lasallelille.com/admin/ckfinder/userfiles/files/rovuwin.pdfIn PDF document text
- http://alacarte-design.de/userfiles/file/sobatoxafesapener.pdfIn PDF document text
- http://gesht.ru/admin/ckfinder/userfiles/files/10586722244.pdfIn PDF document text
- https://on-call-anatomist.org/ckfinder/userfiles/files/66296005653.pdfIn PDF document text
- http://veewood.com/file_media/file_image/file/14754155820.pdfIn PDF document text
- https://osiindia.org/ckfinder/userfiles/files/vopuxodelurupadavemodov.pdfIn PDF document text
- http://www.tivafa.hu/upload/file/15903144298.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c500.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC500 | 16816 bytes |
SHA-256: 131ad97af038d5b253d4fc686d24ec7f9b24facd51c3abf7c1ef14380386189c |
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font_01_sfnt_off0000f17a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17A | 10608 bytes |
SHA-256: 2ec02841a8ef8db29508651fa9ba823ddc3e18730969a8ce6a91dfc10e5f76f7 |
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font_02_sfnt_off0001098e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1098E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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