MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised CMS uploads and disposable hosting, forming a link farm designed to redirect users. While no scripts were explicitly extracted, the nature of the links suggests a phishing or malware distribution attempt, likely initiated via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://garderoba.sk/images/_file/85035335430.pdf In PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/kfer2tutqcg4bu6vgjhmi1g4ud/vipomolatidi.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7fa1ae10e---63427852166.pdfIn PDF document text
- http://taxplus.in/images/contentimages/files/furirukuroxofatumatomapol.pdfIn PDF document text
- http://akcompany.vn/uploads/userfiles/file/97132629312.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b64c39650---15701482715.pdfIn PDF document text
- https://www.wemservice.com/ckfinder/userfiles/files/wivilijijiv.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160adf55caf96a---lusaragalig.pdfIn PDF document text
- http://bhs-class1957.com/clients/35434/File/17470517614.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/f85fc40a3ee691d6f935f36ff5945029/38170397705.pdfIn PDF document text
- http://merwepizza.com/upload/file/40167405821.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/gbi55okju9ko7oiimmhvunhhba/sivodadufawedenijisup.pdfIn PDF document text
- http://gyorszol.hu/userfiles/file/pipifedirewelamaf.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/pugevufiwavipeles.pdfIn PDF document text
- http://learnazia.com/fck/imagesfile/3309137735.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/moxifuwixotabefej.pdfIn PDF document text
- http://jordanfamilyreunions.com/clients/5/51/51534e3e38036466a76ca8a024fd4923/File/soxedogufuviwegadelonixop.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdebe047394---493619548.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/1tre8ahmf3k1vlpor6bec7g38r/86347931164.pdfIn PDF document text
- https://marwaautorepair.com/nbloom/fckuploads/file/55256467749.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba8f9edd2a---99569796112.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1610c0a882fd2d---xazidobudukekixesowi.pdfIn PDF document text
- http://aucoindeshalles.fr/menu/file/vasiwobiridu.pdfIn PDF document text
- http://onmamtour.com/FileData/ckfinder/files/20210702_361666E06266D0E7.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=wyoming+oil+gas+commissionPDF 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_off0000c5c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5C3 | 10348 bytes |
SHA-256: 85bc5dbd92f1d452b29dc98fbd43602dc4761af7d60c37c5a3f508eecf82f493 |
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font_01_sfnt_off0000dd1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD1A | 16760 bytes |
SHA-256: bb90d0d144c74d732af726fada11c043cc484574bdd672deeb7391988785a89d |
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font_02_sfnt_off00010844.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10844 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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