MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, contains a string related to 'cognitive problems' and a URL, suggesting a lure to external content.
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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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://zajinet.ru/strik?utm_term=what+are+examples+of+cognitive+problems PDF link annotation
- https://pakilimog.weebly.com/uploads/1/3/4/3/134363837/fddd6dc.pdfIn PDF document text
- https://s3.amazonaws.com/fuwawibu/fred_beckey_cascade_alpine_guide.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485322/normal_601973b49887a.pdfIn PDF document text
- https://s3.amazonaws.com/potamotaz/dandapani_meditation_guided.pdfIn PDF document text
- https://kozikimonewuzo.weebly.com/uploads/1/3/4/5/134592445/bemavawoti.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455681/normal_600c03e2cdbb1.pdfIn PDF document text
- https://s3.amazonaws.com/zobuwubedak/37790866744.pdfIn PDF document text
- http://2020coupons.info/julius_caesar_act_1_scene_2_study_guiden78g1.pdfIn PDF document text
- http://lnstagram-helping.live/el_proceso_de_la_investigacion_cientifica_mario_tamayo_y_tamayo_5ta_edicionzrkq6.pdfIn PDF document text
- https://s3.amazonaws.com/febopa/11401977448.pdfIn PDF document text
- http://dkmz1.club/age_of_z_origins_intimacyrc0kg.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://uploads.strikinglycdn.com/files/60e1225f-eef0-4c03-b93c-bf88b922f314/famous_persuasive_essays.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a9c3c826-7fff-44b3-af63-3e7085f609a9/79523784849.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cfedca87-af11-4043-8ef4-946ef8e43491/tedewoputi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f87f544a-1964-4c6c-af22-7d19fcd7350a/zexureporipobamodaxogasi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9508f4c6-84b4-4128-92d2-bfae02c5bbe4/tepawizuvojodogewidumiw.pdfIn 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_off0000ea01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA01 | 5496 bytes |
SHA-256: 6ea6002e8221d54351cd8d937e50c1ae24e03b9b8ec89009824fbe1c610bcdca |
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font_01_sfnt_off0000fc9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC9B | 10568 bytes |
SHA-256: ed8db30dba527141c5983a8f64a05efdaefc7e7627d69d00b767412d7177c178 |
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font_02_sfnt_off000120a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120A1 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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