MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs, with a notable one pointing to 'golowaki.ru', suggesting a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this by indicating the PDF is part of a link farm on disposable hosting, commonly used to obscure malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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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 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://golowaki.ru/strik?utm_term=nyssma+level+3+violin+scales PDF link annotation
- https://static.s123-cdn-static.com/uploads/4473041/normal_5fee64203484e.pdfIn PDF document text
- http://folugomobok.getenjoyment.net/30395517822.pdfIn PDF document text
- http://dabukim.mygamesonline.org/zifuvigulebolejubiboxug.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408004/normal_601107eb18ed9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427528/normal_6010052662585.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425768/normal_603bf2b9d3882.pdfIn PDF document text
- http://baliferifopiz.mypressonline.com/susebejagowog.pdfIn PDF document text
- http://bometaximom.scienceontheweb.net/software_development_manager_salary_philadelphia.pdfIn PDF document text
- http://zoxodur.sportsontheweb.net/how_to_calculate_the_unit_product_cost.pdfIn PDF document text
- http://lebepufu.mypressonline.com/authors_purpose_practice_worksheet_3_answer_key.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420224/normal_600ecb29649e7.pdfIn PDF document text
- http://detozube.scienceontheweb.net/jotomutufidomisatorafa.pdfIn PDF document text
- http://komaxinatobofe.medianewsonline.com/novederidamukikusevakufa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1628ddcf-e301-416d-9649-d9339b85441b.filesusr.com/ugd/0b1079_dafa80be031a4160a090e6b2e6d3cc94.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0ab032f7-224a-46e2-9b10-167ea374599d/how_to_lose_weight_at_planet_fitness.pdfIn PDF document text
- https://3f5765b5-411c-4b28-96d1-a1e3b219bcee.filesusr.com/ugd/ca847e_3f2e8dc2c064499b96acc9e2fa4fe13e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lonozote/bakrid_film_songs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4770a90c-b246-4006-a551-2f2faf0b115a/how_to_detect_carbon_monoxide_without_detector.pdfIn PDF document text
- https://85377554-d84f-42a6-a955-c87f7d5d3d8c.filesusr.com/ugd/dd4472_7cf7ab0aa14e4a5289ccb2c2fbe9973d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/falejogajir/distributive_property_in_a_sentence_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/jezobasit/fibasiseterifipixuvej.pdfIn PDF document text
- https://s3.amazonaws.com/bupesejirijejus/15522472132.pdfIn PDF document text
- https://35e1cc1d-5f6c-4a41-9b1b-b9ae8dddc97a.filesusr.com/ugd/351eee_51ba791293ac42c3ad8e999c66a200fb.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_off00010acb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ACB | 5144 bytes |
SHA-256: 01fd11db6f7443abb8a30991a3f5c9aa285011e38146fd85ad3973aa94a53b55 |
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font_01_sfnt_off00011c53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C53 | 11968 bytes |
SHA-256: 25f0488d4f68ceba4ea9ca4d80f114e524529e7122b5bcb73d740529d05c5933 |
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