MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a phishing or malware distribution campaign. The heuristic firings indicate the document is a link farm designed to redirect users to potentially malicious content, and ClamAV detected it as a phishing trojan. Although no scripts were explicitly extracted, the nature of the links and the ML classifier output strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://infrive.ru/uplcv?utm_term=windows+10+product+key+generator+free PDF link annotation
- http://lookkorea.net/userfiles/file/loxejogimuzatif.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b98cbf0941---20323592664.pdfIn PDF document text
- https://adasms.fr/userfiles/file/wavuzepus.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/2021523057486628.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/vekidozabuvu.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608b55fe3c3ed---45520936636.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/b64baae82705ba9a18c8c98c1b4a3561/44066878608.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/ovjv0s8o5o9p0gp8lpp1in1vq2/bokegagu.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bd182cd57db---tuvufofisimor.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/dozukikuxove.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/96c20671fba9bf6ad4d92d1319981dc5/lifigavugikubekofoval.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/97882779149.pdfIn PDF document text
- https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/da6d38df17017c08acebb29bd5eefe95/ketapod.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/92a471f9388e5b013e4c9e26475c1b15/46998504434.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7998345958---7565430377.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f33e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF33E | 5756 bytes |
SHA-256: 7faa44f04b69b4a4a6ee4902fc8dcbf9f1b83538bd6af247645fd92fe583e689 |
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font_01_sfnt_off00010718.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10718 | 10764 bytes |
SHA-256: 5702a2d342c14e02377b63166364dc667b13e0703c45021bc1e59911774c8e20 |
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