MALICIOUS
176
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, many pointing to compromised WordPress sites, suggesting it functions as a link farm or phishing lure. The document's structure and the presence of external links indicate it's designed to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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 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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://kystop.com/wp-content/plugins/super-forms/uploads/php/files/mb2m0uujqet9pjtrsbadfvkne1/43314003111.pdf
- http://duancanhotot.com/upload/files/xoditipidebi.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e86ffc8784---wazal.pdf
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/aec74af7dd51313daf72cec2e12f1382/10508698327.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607036c48af25---bukiwomafetinudaf.pdf
- https://baoholaodong24.com/userfiles/file/rematisaj.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e67da60142---lonus.pdf
- https://healthmatters.me/userfiles/file/tajefop.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160787ebb3caf0---13645601657.pdf
- http://haithuanphat.com/uploads/files/nasodigemanusedoruvu.pdf
- https://laetitiabernard.fr/images/file/govudonorovabokelimi.pdf
- http://cosmickino.ru/sadm_files/fasugedumideguwil.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e16fbd2be---79223773022.pdf
- http://olympicburger1988.com/uploads/files/kizadodotolunuk.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606dd05b6bba2---fuzarubuwugab.pdf
- https://dodatkireklamowe.pl/web/uploads/files/wapuzuzijebitegulid.pdf
- http://petra-dario.info/upload/datoteke/wafatarekozuvokatisef.pdf
- https://comobrew.com/newsite/images/user_uploads/file/natikewesuvenik.pdf
- http://geotersrl.it/file/tukewixumuvutemuzutut.pdf
- https://plasy.com/uploads/file/sadifax.pdf
- http://dh-life.com/ckfinder/userfiles/files/nudepumovalurojusividam.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/96cd5ed7d0dd71ce1cd5daef4f398c30/31570894535.pdf
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/42db6b083ce7cbbd7c5a5b5f6d82cec5/poguxogomego.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f67987c780---bedubol.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/d8e16fb3ada6450e784d9f3854450fe9/96094839.pdf
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/fc8f92f095f0cdb28ed6c9a9ede9d376/48896123711.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=class+11+biology+lab+manual+experiments
- 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_off0000e61c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE61C | 16792 bytes |
font_01_sfnt_off0000fe2e.bin8031e3b8c0a405f31d35f5df929f6c8a98b0f97c0f9ee3c834edddafa754cf38 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE2E | 17468 bytes |
font_02_sfnt_off00012b8d.bin2882ac464f2801decb80260b656fc93c6b19489b38225f1e09c4a5c759412188 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B8D | 11136 bytes |
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