MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, with one pointing to a suspicious domain (jumiwimov.ru) that is flagged as potentially malicious. The heuristic PDF_SEO_LINK_FARM indicates a large number of external PDF links, suggesting an attempt to create a link farm or distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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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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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=ejercicios+verbos+haber+ser+y+estar
- https://static.s123-cdn-static.com/uploads/4379855/normal_5ff59e434122c.pdf
- https://cdn-cms.f-static.net/uploads/4469623/normal_604a4cc7b2257.pdf
- https://linerebe.weebly.com/uploads/1/3/0/8/130813546/21d40b10d7.pdf
- https://static.s123-cdn-static.com/uploads/4369663/normal_5fee904661a73.pdf
- https://tenemetit.weebly.com/uploads/1/3/2/6/132696414/0f55e3.pdf
- https://noxerurivago.weebly.com/uploads/1/3/4/7/134767941/vowulobizarefe.pdf
- https://wisapemewe.weebly.com/uploads/1/3/4/7/134713478/8463715.pdf
- https://jovanifapekiba.weebly.com/uploads/1/3/0/7/130739678/firisa.pdf
- https://fafafupoxojamu.weebly.com/uploads/1/3/5/3/135350358/dudot.pdf
- https://sewajevujunu.weebly.com/uploads/1/3/2/8/132814136/9447668.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/f943d517-a96f-44ea-bdcb-ee954797d99d/what_influences_both_chemical_weathering_and_mechanical_weathering.pdf
- https://s3.amazonaws.com/suxiweke/special_days_worksheet.pdf
- https://uploads.strikinglycdn.com/files/ed1a50f7-d9c8-470b-b483-490d7a336dab/dazobelemufejiniwel.pdf
- https://uploads.strikinglycdn.com/files/f3ca1856-997c-4423-a7eb-3d7a48d33b9c/what_was_the_worst_year_in_the_great_depression.pdf
- https://uploads.strikinglycdn.com/files/485f8d8d-a819-48b0-9f9c-7e3f84450e8b/nuramawalobipa.pdf
- https://s3.amazonaws.com/sirilagewuga/fender_mustang_3_v2_shipping_weight.pdf
- https://uploads.strikinglycdn.com/files/43611ff5-5ef0-4256-b453-6d84b704889e/numinamuzimerigamulisim.pdf
- https://s3.amazonaws.com/gotitibekovi/6755018864.pdf
- https://uploads.strikinglycdn.com/files/f607607a-e665-4954-b125-42766e1a817e/25008493915.pdf
- https://uploads.strikinglycdn.com/files/76c0c98e-a0ce-47d3-942a-4c2df0b3253f/did_britain_invent_the_modern_world.pdf
- https://uploads.strikinglycdn.com/files/558d3852-34ad-47d0-b349-43e62450a763/does_boston_market_chicken_have_carbs.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e386.bin377ab866fab4fd5a7952fd49c2dce047d31ab3a7fcd077484accc7a2b96d3f20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE386 | 5188 bytes |
font_01_sfnt_off0000f53b.bind9a8c88537196a5b5a6a516eb76478db3b7f7750dc14299c73d29c46e7ed2846 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53B | 10828 bytes |
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