MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to potentially compromised websites, including one using a WordPress upload storage. The presence of multiple PDF links and the nature of the URLs suggest a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://epmachine.ru/d/files/lerujujigujole.pdf In PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/6d6b60c5aeca4aaf27be733614e09463/99767763327.pdfIn PDF document text
- http://fujiya-la.com/uploads/files/57620411958.pdfIn PDF document text
- http://kyea.org/imageuploads/35595574903.pdfIn PDF document text
- https://sadhankendra.org/erc/media/27695946402.pdfIn PDF document text
- http://hoanggiaphatstone.com/upload/files/60108599730.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa9828abfe---vabov.pdfIn PDF document text
- http://safedoorsystems.com/cmsimages/file/74469589659.pdfIn PDF document text
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/8k3j126opk4pld194fmq4ao4un/29870340660.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1613d62990fbd0---84525974090.pdfIn PDF document text
- http://telektrans.hu/editor_up/fedotonowiwumogorafokipo.pdfIn PDF document text
- http://nataliashishkina.com/userfiles/file/zijetegovaw.pdfIn PDF document text
- http://shopgraeagle.com/ckeditor/uploads/files/jakajedeziwosijadevagif.pdfIn PDF document text
- https://aznamaste.com/ckfinder/userfiles/files/jitorenaxigojutex.pdfIn PDF document text
- https://booking-news.hkdnracing.com/webroot/editor-uploads/files/39534413068.pdfIn PDF document text
- https://fluffy-chins.com/images/file/ziwevuganinuxozonaxubexe.pdfIn PDF document text
- https://farsiherbal.com/cache/fck_files/file/49912635931.pdfIn PDF document text
- http://p-energo.ru/content/file/37740242522.pdfIn PDF document text
- http://www.sintsprev-ms.org.br/ckfinder/userfiles/files/30972071011.pdfIn PDF document text
- https://mangalargalux.com.br/ckfinder/userfiles/files/71712794087.pdfIn PDF document text
- http://leadershipcareer.kr/fckeditor/_upload/file/minujakojiga.pdfIn PDF document text
- https://polytex.de/sites/default/files/gubas.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142259e0297e---60143107574.pdfIn PDF document text
- http://huspanda.com/data/ckfinder/files/vimufiwifirip.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=problems+sending+pictures+from+iphone+to+androidPDF 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_off0000e666.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE666 | 17428 bytes |
SHA-256: beeb92e8fb40cf08182df25525efcf80594c4e4495120336e98342844827d777 |
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font_01_sfnt_off000113c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113C9 | 11308 bytes |
SHA-256: 6bccbccafca04c83b45e582faf93abd40174438634bb41ac2ee463e8ba372964 |
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font_02_sfnt_off00012dc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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