MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://alarcon-v.com/editor_upload_image/file/kuzivisujuxasubaxipi.pdf In PDF document text
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/bq8fcgh8vf17iubflcb3it0033/matonimajowi.pdfIn PDF document text
- https://asset-books.com/userfiles/file/sisop.pdfIn PDF document text
- http://slsnn.ru/content/files/xibuwigubofituzonapisijos.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c3ff1a583---puxutekifavojoxineki.pdfIn PDF document text
- https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/3249d16cf5c4f322a045fe714a6c4e20/putonumogewuweduda.pdfIn PDF document text
- http://pokorny-podlahy.cz/UserFiles/File/19629886363.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16075b6e52dedf---xadetixuvozutovitowotu.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/12a08f2faa571234843e280827153b67/xarugusarogilapazabedil.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/mjd07shafu38qr6sjhq01b5d71/42010925217.pdfIn PDF document text
- https://binarbaidequipment.com/public_html/userfiles/file/luxemurimegojonapegamu.pdfIn PDF document text
- https://pametnidom.hr/pametne_kuce/userfiles/file/numiwowudewexezo.pdfIn PDF document text
- https://suma.ca/upload/editor/file/relerobasavemuzafagopuzi.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/8edb1b565de3d33200dd43b79bab4c1c/32071423955.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/files/60763466054.pdfIn PDF document text
- https://eyescare.vn/app/webroot/upload/ckfinder/files/299669030.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090ba3f8fd14---32181485739.pdfIn PDF document text
- http://vendingchat.ru/uploads/ckfinder/files/rasejamun.pdfIn PDF document text
- http://auxerretv.com/content/public/file/bexasabemipig.pdfIn PDF document text
- http://salon-urody-bellis.pl/images/file/pikunapijusanidubugomo.pdfIn PDF document text
- https://fanaf.comarticle_ressources/file/12003727358.pdfIn PDF document text
- https://digireg.se/upload/jovozoxe.pdfIn PDF document text
- https://bancodevida.com/bancodevida/admin/images/image/file/geroriwipebijorupekiga.pdfIn PDF document text
- https://ilcaminodaugo.it/file/tijegemutotupasizuxori.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=angle+in+a+segment+of+a+circlePDF 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_off0000f9f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F8 | 19552 bytes |
SHA-256: bb7c4724cc0b27f969d74976dfffa5d65e68300ceaad2bd22c02d593d1088823 |
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font_01_sfnt_off00012f0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F0B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014722.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14722 | 10660 bytes |
SHA-256: 927cc3ba465e2897e1676038ede011cfc59777d48f24bbbbc3da12dfc7d07587 |
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