MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to compromised CMS uploads and disposable hosting. These links likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a77c25849d5---govunizajuzifozujupo.pdf In PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a85a7eca8---59327985986.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9e30437b1---5590320569.pdfIn PDF document text
- http://cerezolorente.com/files/cerezolorente/_repo/file/55845048132.pdfIn PDF document text
- http://xn--tnqz8hz5cb8l.com/upload/files/tefexesumu.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/devokebuwe.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/1geq3c4v85p0gt9rb1etq99je4/37294287727.pdfIn PDF document text
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/3lq2fvgs24b9h11kvga82vvsu6/72288379658.pdfIn PDF document text
- https://lesartsdansmonjardin.com/userfiles/file/20210823173011.pdfIn PDF document text
- http://garderoba.sk/images/_file/22611520842.pdfIn PDF document text
- http://eds-muhendislik.net/ckfinder/userfiles/files/74204269380.pdfIn PDF document text
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b388eefa6---27409434467.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/p7lrkt2ofut6mro2qcko509soq/rikajejitani.pdfIn PDF document text
- http://autoscuolecasetta.it/userfiles/files/nonokokag.pdfIn PDF document text
- http://consulcongress.it/uploads/assets/file/kameka.pdfIn PDF document text
- http://dirpub.org/editor/ckfinder/userfiles/files/13534399248.pdfIn PDF document text
- http://abnicum.com/files/file/84596478189.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/ba2883487bf50be1e9048d83584cc7e7/33360069198.pdfIn PDF document text
- http://extrastyle.ee/ckfinder/userfiles/files/68420603469.pdfIn PDF document text
- http://sun-green.de/ckfinder/userfiles/files/68732022866.pdfIn PDF document text
- https://livre-art.com/ckfinder/userfiles/files/zajawupozupakaxupu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=danny+garcia+and+spencePDF 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_off0000c03d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC03D | 10540 bytes |
SHA-256: da7e000a96e1d65134bf209bdf33945804fb2de33cfeadba068641c612763e95 |
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font_01_sfnt_off0000d831.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD831 | 15740 bytes |
SHA-256: 6f757ab4cbff739f465c79cc485548a343e70b1e7d6ecfb563e0d0f8501cae7d |
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font_02_sfnt_off00010083.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10083 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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