MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to websites hosted on compromised CMS platforms or utilize UTM parameters, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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://huntic.ru/uplcv?utm_term=this+russian+scientist+used+dogs+to+study+conditioned+reflexes
- http://baaningdoi.com/file_media/file_image/file/9432853669.pdf
- http://aa-nusd.jp/wixosuvitaxogaveloj.pdf
- http://elite-nails.pl/Upload/file/13077697383.pdf
- http://medicaldistri.com/ckfinder_files/files/nuwagolo.pdf
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/e578fee0b7df8b7a52dc077f647b0883/tumekakaxu.pdf
- https://rybczewice.pl/userfiles/file/tojuluze.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf374242f4---rumilakimitufenige.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f66458be76---buxonaxisugobaj.pdf
- https://bamfieldrental.com/userfiles/file/37080280825.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073fd4ea4874---71393827002.pdf
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/cc009afbfb6d657448b83e32a6ae6b67/66661588903.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/d7fcb1e27f485b647a4841c9adf55a31/repirebonegarewatolisodev.pdf
- http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/66896354681.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/lt8ndao9p1tu9efeehd16nke99/72475886447.pdf
- https://shen-su.eu/gfx/userfiles/files/mefunavamewajufuxepavo.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16091dc947ade6---85283909650.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4e2cb53a8---titurotom.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a78361f312d---19112908953.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160d39a7b7420e---majagejexoboxanuzul.pdf
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/3fm8uhukq1cib925cpsvajeuis/jimurovemorogibupigamezu.pdf
- http://charivne.info/images/file/figozosoguziviregawidaned.pdf
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/d81976e2773110002b9ee3ce3a510c25/rorofesagotof.pdf
- http://vhshf.de/File/54660197024.pdf
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/ud6gilvpcophdsh1o92n5k8tp0/47961219529.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_off00011d5a.bin8118ffad91ded4bab386e7254501fb070398beae1564cd78de42edb5172ac14a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D5A | 19124 bytes |
font_01_sfnt_off00014ebd.bind32a6a04d95535e2a618a108f5f364d605d5111379f93b25c54fb8ee79b74f98 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EBD | 11036 bytes |
font_02_sfnt_off00016832.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16832 | 16792 bytes |
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