MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to disposable hosting, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a phishing or malware distribution campaign, likely initiated via spearphishing.
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://midufefew.ru/award?keyword=control+variable+in+research+pdf PDF link annotation
- http://opensoda.pro/303566196465ctxi.pdfIn PDF document text
- http://gloslides.com/planning_implementing_and_evaluating_health_promotion_programs_a_primer_download22mrn.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451756/normal_602ee54a2f0a1.pdfIn PDF document text
- http://hocostyle.ru/jazutu24cgj.pdfIn PDF document text
- http://buybritishcat.com/tizumenorexibetilu32d6x.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488569/normal_604b4e5a67a0c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wujapu/avast_browser_cleanup_tool_free.pdfIn PDF document text
- https://2e5cbe44-7de3-4e3f-b94c-8a8567814465.filesusr.com/ugd/f96b02_0db26cef90c14b5bb06f1ccc5dde6f9a.pdf?index=trueIn PDF document text
- https://44034db3-6cdd-4729-adf3-7ccd6afcf354.filesusr.com/ugd/9fe9cc_a9530f68ac544688a454bf9ee13ced3e.pdf?index=trueIn PDF document text
- https://6440a9f6-5e82-4153-977b-4ffe9374ec4a.filesusr.com/ugd/7182f3_cc08428ae9d34051b268f7968d0bf259.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mubefula/3550747966.pdfIn PDF document text
- https://a161ff94-1a6f-4367-b6f8-8e513a5e676d.filesusr.com/ugd/4c7633_88485b7e9ecc4dabb853e3e39114a14f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f019d3be-9e22-4228-93e2-c0c8111f0ad6/96464797985.pdfIn PDF document text
- https://65de77fc-0341-4fd2-89b2-cd6b005a91de.filesusr.com/ugd/cf79db_d3db9d58600e4bdc9b2eeae246443799.pdf?index=trueIn PDF document text
- https://6200e599-3f2f-4e3e-ab45-e6977ed7e777.filesusr.com/ugd/f8de3e_f41cf9c01aaf4bebb59484c7e4ade6fb.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pavujiniz/69681568221.pdfIn PDF document text
- https://68fdcf0a-b1f0-4758-9edf-48d2be6d990b.filesusr.com/ugd/ac51ce_301b9d63d32b4d59ae3a9605d507c0c6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/06f17819-c4ac-4426-9b7a-f7f713fbd112/wewuvepap.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f491939b-71e8-4b90-90e4-8a546adfca90/tivogelisidir.pdfIn PDF document text
- https://s3.amazonaws.com/mozedijiz/cuisinart_11_cup_food_processor_elemental.pdfIn PDF document text
- https://b1706aec-e9b1-4c6c-9a93-f14ef4a1c402.filesusr.com/ugd/3b47cb_09117ea361594244aa53c32467b1028a.pdf?index=trueIn 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_off0000f1b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1B9 | 5348 bytes |
SHA-256: fbd7bd95c3d1b73d1c949fc01317d62f9d6fa4e1ce5c81cd112350a00bd0c40c |
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font_01_sfnt_off000103de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103DE | 11416 bytes |
SHA-256: fb790fa72391a18f13bf8820409c219dd3997f45a8ee3407dcb961759dcaa157 |
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