MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded links are indicative of a phishing or malware distribution campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/a892105beab029776ee98eaf2153c23b/xukuzajape.pdf
- http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/betidonul.pdf
- https://castilloexterior.org/ckfinder/userfiles/files/3591269120.pdf
- http://www.parkwaytransplant.com/media_upload/upload/files/58194239544.pdf
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/f7574554dfa847ce36eb140c7fb4de36/diwefiwoxopelitu.pdf
- http://dianacb.cz/userfiles/file/zadud.pdf
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/712defd67cce71c221b2cab16aa34989/7801209858.pdf
- http://rkmaster.ru/uploads/files/28254642958.pdf
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/1e355e9be33d8e49d687ef7052b83325/lizuxuzojosajebozak.pdf
- http://studioriboldi.eu/userfiles/files/74772558702.pdf
- https://mb-classic-service.de/userfiles/file/zajupibutapesezivebuvaza.pdf
- http://biemmecommerciale.eu/userfiles/files/48716190123.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd6898310b---75373722977.pdf
- https://shop-ecobati.com/medias/upload/files/57634660811.pdf
- http://autobedrijvenindex.nl/images/uploads/19428993082.pdf
- https://sadhankendra.org/erc/media/87205190981.pdf
- http://www.moyekolodin.com/files/tuferatovanogunidawirala.pdf
- http://saxonsaxtonfamilyreunion.com/clients/f/f6/f6d0431f970e0833b0867c311dafb132/File/kimixunijewibenijaripesi.pdf
- http://sculecuacumulator.ro/app/webroot/files/userfiles/files/52560956654.pdf
- http://khanaphatgroup.com/UserFiles/file/43715868080.pdf
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/r8amm9at9t8lbjdf7lj3dncpbs/56517741787.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a05df613976---vitewuxozefodo.pdf
- http://aj-logistics.com/stock/userfiles/file/wumidopufixupot.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=mod%C3%A8le+de+reconnaissance+de+dette+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b892.bin196f133ef194dc34c6d0ee202213a4a4d5e45acb2cb884cb8ed940810325fdac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB892 | 10760 bytes |
font_01_sfnt_off0000d115.bin4d963c706b14917ddc78bf48149eb325dbbf0ddf24d352f993b6087728b4630e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD115 | 17108 bytes |
font_02_sfnt_off0000fc15.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC15 | 16792 bytes |
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