MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to potentially compromised websites and disposable hosting, suggesting a link farm or phishing lure. The embedded URLs and link farm heuristics indicate an attempt to redirect users to malicious content, likely for malware distribution or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://ahcxdq.com/uploads/file/280210152801.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608120d68359f---21687632810.pdf
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/tcknpalkmqnskrbskc42kv1l72/13575617148.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e944676ab7---ririnosokaxidakajiji.pdf
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b4392cd4e---pexixezufepadozeke.pdf
- http://dioceseofniranam.org/userfiles/file/68405601320.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607407d1813f6---32274341190.pdf
- http://maychamsocda.vn/images/userfiles/file/nanaza.pdf
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/vtnv4di6puiocc88np7h631m79/matusaz.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/f6d2286873f81f93c565e4e99a54bbac/37762104832.pdf
- https://energooptima.hu/upload/File/37254993879.pdf
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/2780179d52e7d236d2ffaefc350401a8/sulufirigepabet.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/fb158127d2cb6f3baa054839504b34d8/womebajewagimev.pdf
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/i0sc38aqmocfrsq9dhjrg9e4t2/34484478848.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160864a228b67e---fukabajisa.pdf
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/10a533e90431a4b519a473b206805ed7/wopojafesunofowexemogofo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=cafetera+nescaf%25C3%25A9+taster%2527s+choice+system+manual
- 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://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d4b7.bin320fc8d2ea20f3ae74bfbe22e8d09fa81b5eb77db71e989ab141e36b41a1040e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4B7 | 5304 bytes |
font_01_sfnt_off0000e661.bina10565fe0c045134828bf7ac34902b3546464b04919082f760bc8a7d8ec89044 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE661 | 12140 bytes |
font_02_sfnt_off00010e0e.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E0E | 4324 bytes |
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