MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to distribute or redirect to malicious content. The presence of a 'utm_term' parameter in one of the URLs indicates a potential phishing or SEO manipulation tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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/123?utm_term=smc+compact+cylinder+catalog+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4484818/normal_6019f2310de32.pdfIn PDF document text
- https://cdn.sqhk.co/fotezuvori/SjcijeH/cosmology_vs_astronomy.pdfIn PDF document text
- https://cdn.sqhk.co/gewanunu/gXgdgh2/63735589234.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421461/normal_60485353a1893.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4461516/normal_605d6eedeafc9.pdfIn PDF document text
- https://cdn.sqhk.co/guposidum/gcghia4/xbox_series_s_vs_xbox_one_s.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450438/normal_5fd1988918569.pdfIn PDF document text
- http://sebokuxaxugu.iblogger.org/how_to_help_your_dogs_joints.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472776/normal_6066dc83dc7bf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://276658a2-c6b1-4a23-bc3b-56c82bce4278.filesusr.com/ugd/f9448a_d002d6a4a1ab41d0b3169ec357fbdade.pdf?index=trueIn PDF document text
- https://665985ba-8e9f-4173-b993-17a3090d61d7.filesusr.com/ugd/08421c_714ffbe7187144189c4a42bbfa48ed4e.pdf?index=trueIn PDF document text
- https://19e6fc83-c281-4d06-93fd-e8b16a02b90a.filesusr.com/ugd/ce5d00_d4a5c674eb194c428c92b6499286338a.pdf?index=trueIn PDF document text
- http://todetizos.epizy.com/55004405462.pdfIn PDF document text
- http://wazisosixi.epizy.com/active_voice_passive_voice_exercises.pdfIn PDF document text
- https://37bdae34-bb2f-403f-997c-54a7c09d9c06.filesusr.com/ugd/dc98cc_7955c7adbd9c468aadfb0c29aa3af90b.pdf?index=trueIn PDF document text
- https://c01188fd-d8af-4b86-846b-090f7ecd58d8.filesusr.com/ugd/9058e5_1a6c9c1b774a48e5b52a3518f0bfb56f.pdf?index=trueIn PDF document text
- https://73a1781f-5c9f-4c76-8a11-a8e8c44f336a.filesusr.com/ugd/d9f7b5_8b15c7c11bcf468493d3985286d34b16.pdf?index=trueIn PDF document text
- https://ce55c564-0e79-48ac-bd91-a034cff8554b.filesusr.com/ugd/bd1fc0_c6714041419345e2b28c5361c6bd85ff.pdf?index=trueIn PDF document text
- https://0f3c41ac-de96-4ba7-a517-026d7435d592.filesusr.com/ugd/8631de_388e1a96e0c349919dcc6085976b16cf.pdf?index=trueIn PDF document text
- https://104e0e48-a4c2-4a03-8647-06ef64d4e6ac.filesusr.com/ugd/e2c6c1_80438d41797e4732a914dfc145e977c6.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cbe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBE8 | 5292 bytes |
SHA-256: 3696c4a4ac2fd5965cff764f8ed226b7abb44084090bc9d15189171caea6b42a |
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font_01_sfnt_off0000ddc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDC7 | 10392 bytes |
SHA-256: 561ceb243154c3d68067c0437c2317addaf9ecc1ca024b5a8218688045dde25b |
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font_02_sfnt_off0001013d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1013D | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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