MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites and disposable hosting, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of external URIs and link farm heuristics points towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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 https://oniceh.ru/uplcv?utm_term=fisher+price+deluxe+jumperoo+manual
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/ub542ckm86sasulelkrajbqei6/48455946542.pdf
- http://noospc.ru/SITE/files/editor/file/78309062661.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/6d323aaa6a9fe204c19948db83c634cc/jisosuzuxopuveg.pdf
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5689900a8---30963366930.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160816cd281546---46713591224.pdf
- https://boyanbolyarski.com/userfiles/file/58570116670.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c97fe8f3a---jadapojotusoxobuxubileti.pdf
- https://audreyheselmans.com/_files/file/18309595321.pdf
- http://easttbirds88.com/clients/d/d7/d767393c090093bf18db16876c07b5c3/File/92579133027.pdf
- http://asiavent.com/UserFiles/file///28780981767.pdf
- https://termofriz.rs//files/dikesixiver.pdf
- http://stellamaris.cz/userfiles/rebalifabapif.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c25bd435249---boxujatopinozatiwe.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/10lsqi5tdvl4k7lfj0lafb56h6/rexumavekiloretot.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/o1j65g7gt238ef8pvjmsvf7oip/wapefod.pdf
- https://actor-conseil.com/files/file/86713655670.pdf
- http://nadiadsa.org/userfiles/file/39817629945.pdf
- http://orikon.net/Images_upload/files/15412113899.pdf
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbdfea13af---38071181759.pdf
- http://dlevitin.ru/fck_editor_files/files/javebawetepelosudevupa.pdf
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/a1a2f2fbde8d9742dc0c67b7036a4d45/42460723848.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e6b2cadae---wedowidawatusiwafitag.pdf
- https://castilloexterior.org/ckfinder/userfiles/files/tujoliwegudoxuxekavojaz.pdf
- http://hrjok.com/uploadfile/file/71563138662.pdf
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/bl08obqfccdigtg7c12japuqe6/muveved.pdf
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/4ntr2mi6edf8rmu4udjfn97loi/25733345345.pdf
- https://sgcaregiver.org/contents/files/kuwivotidokefupadosemo.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_off0000f7c2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C2 | 16792 bytes |
font_01_sfnt_off00010fd9.bind360e5e58ce513f9c9c2f6f6950ddc3d593705b76f9b60e1f88d05a50f93728f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FD9 | 10988 bytes |
font_02_sfnt_off00012919.bin27759a16fafaed6a348c65299f06cc7c6a8f4045fd30c972b2d3f58b82b505ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12919 | 18036 bytes |
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