MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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://lozipotod.ru/strik?utm_term=area+compound+shapes+worksheet+answer+key+math+aids PDF link annotation
- https://cdn.sqhk.co/zalivelo/jiiChiM/86489415370.pdfIn PDF document text
- https://cdn.sqhk.co/vopunokapire/FjiBhd7/38194695742.pdfIn PDF document text
- http://guitar.su/675498002839kh00.pdfIn PDF document text
- http://savadaqwe.space/craftsman_garage_door_opener_replacement_remote_controlhfx7z.pdfIn PDF document text
- http://0fruits.space/assassin_creed_revelation_bug_graphiquenzdre.pdfIn PDF document text
- https://cdn.sqhk.co/jidevumedure/jdGxgha/satatirakiforifofipebiwil.pdfIn PDF document text
- https://cdn.sqhk.co/lexijunibul/bhdijii/cosmic_rays_meaning_in_marathi.pdfIn PDF document text
- https://cdn.sqhk.co/nivatasob/c1wJHlx/nodegixiloze.pdfIn PDF document text
- https://cdn.sqhk.co/mawejoxejobe/GGQQibj/vitamin_d_side_effects_anxiety.pdfIn PDF document text
- http://ruszaimclub.ru/gujuxalipezabinobfnq.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d4f1f58f-bd44-402a-a4b0-a3aa01e36dbf.filesusr.com/ugd/dffefa_e6b1814f650b4ea3bed6a5c14ab9a5a9.pdf?index=trueIn PDF document text
- https://528a8416-53f4-4693-bcf0-540471887af1.filesusr.com/ugd/c3aa89_d31d1b7c8171465db8bf7e4dcb78eb5d.pdf?index=trueIn PDF document text
- https://b9eb3541-094c-4606-b101-17c2291fd6e1.filesusr.com/ugd/a18601_5c3cced16f26441e80f963e65a653a20.pdf?index=trueIn PDF document text
- https://b9264059-5ce6-458a-812b-58b21e0c51d1.filesusr.com/ugd/9a3dc1_7f8e4b09af3343f18fe012d2f8de78d2.pdf?index=trueIn PDF document text
- https://a1d1c4ac-cf1d-4c58-861c-45d1188f4b60.filesusr.com/ugd/052f3a_bcc9168273d7469da96920b846826143.pdf?index=trueIn PDF document text
- https://a161ff94-1a6f-4367-b6f8-8e513a5e676d.filesusr.com/ugd/4c7633_c15e0d12e4db4a1591092959f2d156ad.pdf?index=trueIn PDF document text
- https://63c5840e-267c-49ed-94d3-fc9f9d8b9c0b.filesusr.com/ugd/8c5bc8_9eacebeee7074ff288dfd08af4d63f84.pdf?index=trueIn PDF document text
- https://189c2d36-84ff-4b81-9465-96c33c1d3b91.filesusr.com/ugd/35ddae_315eb849d1b14462b73b9bd35962225d.pdf?index=trueIn PDF document text
- https://627ea4a7-3f28-4bf3-8c99-6a9da7dacf48.filesusr.com/ugd/1970e2_a4be510d9b4045b294966665236e53e6.pdf?index=trueIn PDF document text
- https://5e54824a-8208-41b0-8aeb-7c017e8cfb46.filesusr.com/ugd/f64db8_797daf3cd65c42c9baa711a61bd60a6b.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_off0000efe5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE5 | 5528 bytes |
SHA-256: 1c3720b2b0c0fab2f9deae69bcc1a715cd592d088c514e691344e686c88c3b88 |
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font_01_sfnt_off00010298.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10298 | 12748 bytes |
SHA-256: 70cdb4188be251f9338bf643a85542ac7542b9368339573072701527fe3c45a7 |
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