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. It contains a large number of external links, many pointing to disposable hosting, suggesting it's part of a link farm or SEO spam operation. One of the extracted URLs is https://jacksth.ru/strik?utm_term=garmin+nuvi+40lm+specs, which is likely a lure for phishing or malware distribution. No scripts were extracted, but the PDF structure itself is indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://jacksth.ru/strik?utm_term=garmin+nuvi+40lm+specs PDF link annotation
- https://bowasizavaxilek.weebly.com/uploads/1/3/4/0/134042597/piwona.pdfIn PDF document text
- http://lupuneruw.iblogger.org/atingerea_lui_juliette_vol_2.pdfIn PDF document text
- https://dowanolisedu.weebly.com/uploads/1/3/6/0/136056386/duxatepeneruf_xunimidabo_mawuxemulafa_xejemi.pdfIn PDF document text
- https://guwosifewutus.weebly.com/uploads/1/3/4/6/134616196/kufinujanasefedipi.pdfIn PDF document text
- https://nevozijefase.weebly.com/uploads/1/3/4/7/134748823/8d8b386.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d1b6b380-f15b-462b-86b5-0b089ba7d90d.filesusr.com/ugd/f99a33_d0c39c6208e040c487dd67aabbf7231e.pdf?index=trueIn PDF document text
- https://add83a7c-0e31-48b3-928b-061d82ba9144.filesusr.com/ugd/205ae4_2d8cbb87056844bc985cb6df90097550.pdf?index=trueIn PDF document text
- http://gekavitominugi.epizy.com/understandable_statistics_book_answers.pdfIn PDF document text
- https://bad3f395-1638-4667-b349-d6f934eeab49.filesusr.com/ugd/ed2d23_555065a7c29b460e9f299ac6b77bb2f2.pdf?index=trueIn PDF document text
- https://c8019651-2137-4367-b38e-775fff3f8a75.filesusr.com/ugd/fc5a02_db8d4d490e3042ad98f88b9182d85b97.pdf?index=trueIn PDF document text
- https://4f65501f-cdae-4966-b9db-49b15ad9d196.filesusr.com/ugd/52b593_2561c27dae1a4fa7b8f60e5f989dabcb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/944f4923-3a4d-45a0-886a-44cec4c62332/lytic_suffix_medical_terminology.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e6637ae-a149-447f-8a6c-96f25a0d957c/4g63_running_lean_at_idle.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/97c1a0e8-9755-49ff-94d4-453aacddda94/formato_de_carta_poder_mexico.pdfIn PDF document text
- https://beca70af-11ea-46d2-a649-d7fd44c468ee.filesusr.com/ugd/dd41e2_6af9ed38901a40feb818259b5f861f86.pdf?index=trueIn PDF document text
- https://44f39d5c-a655-4437-91b6-62b11e148e71.filesusr.com/ugd/eb4c03_a50f60c90996494ebe028b27fa8bb17c.pdf?index=trueIn PDF document text
- https://55963656-6eb1-4b25-bcd5-bb835d65808b.filesusr.com/ugd/0064ae_87701c0ec9a3470d862b8240ef0b4f77.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2dff3160-b4d4-4c02-b287-279567bfbab8/andrew_loomis_how_to_draw_the_head_and_hands.pdfIn PDF document text
- http://buletamapa.rf.gd/xekewarenin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4d3e2993-6df7-442d-ac2a-b086ddb12de3/4278181089.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f6a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A2 | 5400 bytes |
SHA-256: 21fb95900891782f006ad6decb8e8a92ccf6fc417e95b94fcd33584ed84dcd46 |
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font_01_sfnt_off000108f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F6 | 11444 bytes |
SHA-256: fc22ba9ceb56b9c284496d51975af346d5f11961dae82e9ce564fe56515a2412 |
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