MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to compromised CMS upload directories and disposable hosting, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or malware distribution intent. Although no scripts were explicitly extracted, the nature of the links and the PDF structure align with common phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://queure.ru/uplcv?utm_term=characteristics+of+ecocriticism+pdf
- http://akssert.com/userfiles/files/28106899694.pdf
- http://7tec.ru/userfiles/files/42255870069.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/d83fd04f26e491672c7fae0ab8f8d81b/nazijimorodapusafokif.pdf
- http://cmtsport.com/pliki/vuvuxinisizosew.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b77e9c1bf4---detezu.pdf
- https://cambodiaangkorhomestay.com/userfiles/file/minejexumiwafiwiwidejusas.pdf
- http://mashhadgardi724.ir/basefile/mashhadgardi724/files/2007051310.pdf
- https://aljazeerahdrilling.com/userfiles/files/1082883903.pdf
- https://coevent.ru/upload/files/pijezijovalesotu.pdf
- https://mn-lawfirm.com/box/userfiles/file/dupakabofebidoboxiba.pdf
- http://sistersaviopublicschool.com/userfiles/file/faroxonaxubad.pdf
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/bb72e0339c945e72d1b2f0bad2a446a1/gidinuxasolavezof.pdf
- http://unseenadventure.com/userfiles/file/dovafoxituxuboperasep.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/cjpf3ck6cof29jpv6mrk64pau1/mitizufimitodakona.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608cfc446a390---gosibisosewavoj.pdf
- http://synphabase.ch/upload/file/82369934650.pdf
- http://wongkungfu.ca/clients/f/f5/f5c316b966f29b3192b3e9e3c5714b3c/File/rezalumewekumera.pdf
- http://puginternational.com/ckfinder/userfiles/files/fadixu.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/r9e7oepfo6fcgmjqibkihvjjv6/42448549929.pdf
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebb114a895---95326619646.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16075ab49039a9---mufoxugal.pdf
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/15627cb1695d699daac5e054bd22a86e/zebupikosukexubaribaref.pdf
- http://phucuongplus.com/upload/files/pezab.pdf
- http://baovevietnam-vnss.com/upload/file/pivinujamazadalosodidadoj.pdf
- https://binarbaid.com/public_html/userfiles/file/vupejibawisuritidexa.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d234c7b13---83533628341.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_off0000e913.bin65b921e388ed01977fcb16ae31aeab4c1ae006b723eaf71afa53509e26332323 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE913 | 10768 bytes |
font_01_sfnt_off000101e9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E9 | 16792 bytes |
font_02_sfnt_off000119fb.bin715dc4833ca25e93383e31bfc336d63c9366be5e376088c42c5ac6997906cb1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119FB | 18124 bytes |
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