MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It functions as a link farm, containing numerous external URLs pointing to other PDF documents hosted on various domains, some of which are disposable. The primary URL, 'https://jumiwimov.ru/strik?utm_term=what+is+watershed+management+class+12', suggests a potential lure related to educational content to entice users to click through to malicious sites.
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://jumiwimov.ru/strik?utm_term=what+is+watershed+management+class+12 PDF link annotation
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- https://tatogupuragafa.weebly.com/uploads/1/3/4/0/134096405/8999223.pdfIn PDF document text
- https://xuxudufekew.weebly.com/uploads/1/3/0/8/130873992/6303294.pdfIn PDF document text
- http://kesuvajeb.scienceontheweb.net/where_is_the_lint_trap_on_a_front_load_dryer.pdfIn PDF document text
- https://wuwabisa.weebly.com/uploads/1/3/1/6/131606234/jasovuned_wajomijim.pdfIn PDF document text
- http://lunagogafoxoj.sportsontheweb.net/tilukiwugixudodixes.pdfIn PDF document text
- http://zajilakofudo.scienceontheweb.net/adeptus_astartes_codex.pdfIn PDF document text
- http://rumurel.mywebcommunity.org/reliance_company_introduction.pdfIn PDF document text
- http://votixibutiro.medianewsonline.com/meriwir.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ac3db616-04cb-40f1-8357-c67041f5e20c.filesusr.com/ugd/eda9ba_9d4a3ec4bdf048c0bdd5f85995deeea8.pdf?index=trueIn PDF document text
- https://33b7cf8b-1cb2-46d9-9063-17e97cba5e80.filesusr.com/ugd/9edd50_a197be9bf0ed4e2e8eba83d6244ff33e.pdf?index=trueIn PDF document text
- http://wewamamewiler.atwebpages.com/xifazamujofalemo.pdfIn PDF document text
- https://901c4554-6fda-40bf-8344-1f1538f5dc06.filesusr.com/ugd/a76634_61d605ed9cb24134b7d2a5f48d5b2e93.pdf?index=trueIn PDF document text
- http://pasobopupolom.rf.gd/circle_of_fifths_theory.pdfIn PDF document text
- http://kegeduwamid.epizy.com/autocad_2016_book_in_hindi.pdfIn PDF document text
- http://surafupomef.epizy.com/68178178472.pdfIn PDF document text
- https://3c3b6f52-20a2-448a-be11-eec5930c502f.filesusr.com/ugd/0ca786_367fefda697a4828b85ce6267bd91794.pdf?index=trueIn PDF document text
- https://a29d81ee-e589-4368-99bd-4e0be04eb4c0.filesusr.com/ugd/a89e6e_7949102b3a424ebb88a77b9e7ddb01d2.pdf?index=trueIn PDF document text
- https://c07b3cb0-7d4a-4e65-9c62-eb3bd0ce3b6b.filesusr.com/ugd/7560d5_2f48b970a60f48ccad8903118467bdf3.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_off00016592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16592 | 5644 bytes |
SHA-256: de169ec88ed15d71a8ef90f6fe337198e58fba002b64f1f58ac2ff2af5eadf38 |
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font_01_sfnt_off000178b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x178B3 | 11520 bytes |
SHA-256: 39f0d740aed08c097679b954feea18a517a952e2c12f5bdb5f7404a20442bd73 |
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