MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF that contains a link farm pointing to various PDF files hosted on potentially compromised websites, a common tactic for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, suggests a lure related to PDF manipulation, aligning with the link farm's content.
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 https://sjalikave.hu/pictures/file/goxigugunemopuxufo.pdf In PDF document text
- http://karate-talence.com/newsite/userfiles/files/migefitovotenotifexi.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/b9c19617d1c22229e02d0b5db15556c5/kajexatikodawafexukux.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0337142d35---kowavobuzeledozapapov.pdfIn PDF document text
- https://esz.jp/img/editor/files/91177389316.pdfIn PDF document text
- http://princeworldwide.com/multimedia/userfiles/file/54198057550.pdfIn PDF document text
- http://youngshiny.com/userfiles/file/1621753126.pdfIn PDF document text
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/69c3c4e83b2c42fd8deb792a2b579bf9/51086746864.pdfIn PDF document text
- http://sacoorhealth.pt/site/upload/file/digudokowat.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/tijisuxufoxazadal.pdfIn PDF document text
- http://allprintusa.com/admin/images/file/98969767297.pdfIn PDF document text
- http://www.lugashotel.com/data/editorfile/zivubazopegafupu.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a596220d5da---zazufagexitudavubasi.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/brhqu15s9614a4idm0v1tpr8sj/57535784914.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097b78bd6506---90875236970.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/17583e401335508c47b93ed5738b6c6a/varux.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/xutekakedi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+make+two+separate+pdf+files+into+onePDF 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://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_off0000dee5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE5 | 5304 bytes |
SHA-256: ac0b5425213e56749cb54b578996d5dfa6e0a41f9a1a47de133cbd98c4a5012f |
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font_01_sfnt_off0000f0e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E7 | 10600 bytes |
SHA-256: 4622d190af9d54f63d3a4189cd0f606230dff4b9d2d9e30fe5ba881ae34b9840 |
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