MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
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 embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically indicates a link farm on disposable hosting, reinforcing the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://krisoc.ru/uplcv?utm_term=the+self+aware+universe+pdf PDF link annotation
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/6aig701q8kg61ft2t6227vq5r2/51394447039.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1608f3d2b471fc---jegidisokabafogutafo.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a61867348bb---sabijewowate.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/a5id7ma0rv6091dh05m88g5i5f/28768283131.pdfIn PDF document text
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b0acb7be5---dugadunomizunatirekukeg.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160822fe71cfdc---90573439853.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa298541df---nunufokogetixoxofab.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/ac8366c2b11196912752c2e52d6b29d2/35787032655.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/d37015c4d57ec547b66483c3e4165e4c/giwaf.pdfIn PDF document text
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/fe37k1ec3ba1lttbn4hctuj2cd/30805033304.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/gejamew.pdfIn PDF document text
- http://castudio.eu/userfiles/files/bujokevazukasamo.pdfIn PDF document text
- https://gofropack.com/wp-content/plugins/super-forms/uploads/php/files/c27d378e2ad44a41ddda65f4503dbd0b/marer.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d3303ce65---8894868197.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c235534bfd2---xozininiwudalepu.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_off0000dfb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB2 | 5232 bytes |
SHA-256: 1d7bacbaee373d72bfa17576baa42d3e391fc03fb5853fbeb3635724112898ec |
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font_01_sfnt_off0000f18f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF18F | 9912 bytes |
SHA-256: 8936572d7dd9e0bf60bab2c25d38b7586f828bc5146702be563a378094247f03 |
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