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 0.9991
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://bologen.ru/strik?utm_term=common+proper+nouns+worksheet+grade+1 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4382790/normal_5fc78e197b1ce.pdfIn PDF document text
- https://jazediwugitali.weebly.com/uploads/1/3/4/7/134730671/katuvuvapuralog-gifaja.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501794/normal_603605e039883.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415519/normal_60404fcbee0c8.pdfIn PDF document text
- http://kikirulutok.22web.org/2005_john_deere_gator_hpx_diesel_specs.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383678/normal_6037c7c2c15dd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420034/normal_5fc928387426d.pdfIn PDF document text
- https://revugegan.weebly.com/uploads/1/3/4/6/134682990/rokepitexonori.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375350/normal_6033d9033ada3.pdfIn PDF document text
- https://wanibezitajijo.weebly.com/uploads/1/3/6/0/136000154/wowugi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481516/normal_5fe5aaefb6bf4.pdfIn PDF document text
- https://bogezemobazuv.weebly.com/uploads/1/3/1/8/131856224/buwogi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499282/normal_602a2749cb08f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://loletusu.rf.gd/22095873604.pdfIn PDF document text
- https://71f68c9c-1037-483c-a0ca-f268b7ddd3c8.filesusr.com/ugd/87fdc7_05611a87351449a897ef2bf11c6642ae.pdf?index=trueIn PDF document text
- https://436240a4-ef10-404e-ad90-c5cab949c7af.filesusr.com/ugd/3fb742_45eef3995e604013967f19ee0ea25eb1.pdf?index=trueIn PDF document text
- https://4192d618-ecd7-4808-8485-efd4d6773ded.filesusr.com/ugd/17a5db_0bf7ff309f28484f8d7c6841b9c15edc.pdf?index=trueIn PDF document text
- https://dc58184e-bbba-402a-8e08-a55d552c8f3f.filesusr.com/ugd/0ebc1f_b0a78aca056442e58ecea6bb31f78fd1.pdf?index=trueIn PDF document text
- http://modejaj.epizy.com/podetototul.pdfIn PDF document text
- https://9b704b87-3668-414c-a24e-b30400fe0e33.filesusr.com/ugd/51c472_86cb07f323bb404397eeebc7fd939b83.pdf?index=trueIn PDF document text
- https://6acf0ca1-aa41-4771-8b91-54baff69ee7f.filesusr.com/ugd/7d1dc9_5a495cedfaea4bd79c1722a7a9a750b4.pdf?index=trueIn PDF document text
- https://b81f28a7-a6cc-4df9-aebb-a76b708ee4b5.filesusr.com/ugd/df05b2_70e035cf3b694032b9aaf51c102added.pdf?index=trueIn PDF document text
- http://kasabapagikaki.rf.gd/21169170754.pdfIn PDF document text
- https://a21f0d7d-5fe0-4a99-a381-3b18266e0880.filesusr.com/ugd/6c313a_00d59e9ff0764dcd88fc2a67c61f812d.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_off0000ef76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF76 | 5456 bytes |
SHA-256: 88add2e3140689d0d085cc47bb78898547d2065d0643662dd12a9913e3f23854 |
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font_01_sfnt_off000101e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E9 | 10608 bytes |
SHA-256: 5375d9e4992d2e3d03f858d7ed3e3b8babb4406299f7bf5c554599b31af3571e |
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