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, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or spamming operation. The ML classifier and ClamAV also flagged the file as malicious. The embedded URL `https://jumiwimov.ru/123?utm_term=define+research+report+in+research+methodology` is likely part of this campaign. No scripts were extracted, but the PDF structure itself is indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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/123?utm_term=define+research+report+in+research+methodology
- https://cdn-cms.f-static.net/uploads/4393370/normal_600bcacb89fe1.pdf
- https://dubuzosokiboxof.weebly.com/uploads/1/3/1/1/131163723/2318328.pdf
- https://modizotu.weebly.com/uploads/1/3/2/7/132740501/tazidanibu.pdf
- https://cdn-cms.f-static.net/uploads/4489257/normal_600e7a4b003d0.pdf
- https://cdn-cms.f-static.net/uploads/4445115/normal_5fd22cd8a91c5.pdf
- https://bejetatibuket.weebly.com/uploads/1/3/5/9/135957672/816051.pdf
- https://cdn-cms.f-static.net/uploads/4388839/normal_60123e6e7b9ed.pdf
- https://cdn-cms.f-static.net/uploads/4393349/normal_6045d73d4f1d6.pdf
- https://cdn-cms.f-static.net/uploads/4379029/normal_5fe745e8c2f4b.pdf
- https://cdn-cms.f-static.net/uploads/4389101/normal_600ace2ec7b4c.pdf
- https://cdn-cms.f-static.net/uploads/4410217/normal_60198065ae070.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/88fa9a4b-4ad7-41e8-a487-04e2bd3ed16a/what_is_a_proofreading_business.pdf
- https://uploads.strikinglycdn.com/files/32b381ec-0206-491c-b723-6675f1d84098/bryant_350mav_parts_manual.pdf
- https://uploads.strikinglycdn.com/files/93d189bc-0a0f-4675-8c60-9425b69e213e/what_transducer_is_on_the_minn_kota_terrova_80.pdf
- https://uploads.strikinglycdn.com/files/cc5697e8-3a42-40cc-92a0-05b34a7a08b7/dance_music_90s_classics.pdf
- https://uploads.strikinglycdn.com/files/74b89054-14a9-4603-a5ef-e0f18107520d/negezujojiwurofobim.pdf
- https://uploads.strikinglycdn.com/files/b169bf9a-2e82-4270-8e23-f6511034808a/64732853222.pdf
- https://uploads.strikinglycdn.com/files/e0dccf9f-1b2a-403a-9abd-ec7c5fb99fa5/soundlogic_xt_bluetooth_shower_speaker.pdf
- https://uploads.strikinglycdn.com/files/f44d5622-b095-4fb1-971e-f8a97a84cbd2/how_many_carbs_in_boy_scout_popcorn.pdf
- https://uploads.strikinglycdn.com/files/3e71f8a2-a052-4032-a0b2-19e276b0168b/tableau_for_dummies_download.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_off000139d4.bin0f6db42363db82d3cbc49f88a8efa063f5cee7d2c1de073c0a169df508e803c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139D4 | 5672 bytes |
font_01_sfnt_off00014d0c.binba868152bf5aef69605b275de6509a7aeb7f697ecdd0e2e50fa9552489733d96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D0C | 11072 bytes |
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