MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 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://pelibifir.ru/strik?utm_term=3-6+practice+solving+systems+using+matrices+form+g PDF link annotation
- https://nerukime.weebly.com/uploads/1/3/1/3/131379394/868af860de7249.pdfIn PDF document text
- https://kaneloko.weebly.com/uploads/1/3/1/4/131408798/sabonefegiz_migimemubode_bukegonewep_rufunoruvuso.pdfIn PDF document text
- https://lavolobaned.weebly.com/uploads/1/3/0/7/130740571/manovudoke.pdfIn PDF document text
- https://gokatejasefe.weebly.com/uploads/1/3/4/6/134650338/nugunewomuje.pdfIn PDF document text
- https://wikejawuwe.weebly.com/uploads/1/3/1/4/131437941/3019862.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/4a9d70ef-ff1b-4d0d-ae01-1cbc6a47722c/carta_poder_simple_para_llenar_en_computadora.pdfIn PDF document text
- https://02314edc-d025-420b-9d62-795437f25c47.filesusr.com/ugd/4f0fc1_911d4c1b650f4c6f81fe826bf7f060a4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9f616a1a-b5f3-47d2-8a7f-58d7dd7a8dc5/6684842365.pdfIn PDF document text
- https://s3.amazonaws.com/jamuluvuvava/1081932019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a5b896c4-3842-44c3-9bf8-6b09340c16af/zokulevepugonas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73af8b4e-060b-4e11-a4ae-a17c3e678d59/laws_of_the_game_booklet.pdfIn PDF document text
- https://19004eff-8f5e-45b0-b15a-9fbdbd99e39d.filesusr.com/ugd/578ea4_124906d99794476dad2fd7718bda3a0b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pusolefosex/44929753492.pdfIn PDF document text
- https://67bb8873-ca08-4da4-87c0-60a8072ebff6.filesusr.com/ugd/a838c0_ca13a00b3b744799ae0b8f9c7def39b6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/eb222bb3-e210-4535-9f95-f82a864329d7/organic_chemistry_test.pdfIn PDF document text
- https://dcc20dec-0195-4543-b617-cfb82efd15f0.filesusr.com/ugd/30ea26_75677642e47242d78a9c4d86cbfac75d.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f39a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF39A | 3664 bytes |
SHA-256: 7da689fc18874db63b758733cb254571a5da58256e8e4ca6c7511a6eda3dcc35 |
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font_01_sfnt_off0000ffa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFA6 | 5752 bytes |
SHA-256: 64a4b6866286ff51dc41ad5133c869c65867f0540bd6f443ea1dc91bc71f14dd |
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font_02_sfnt_off0001133c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1133C | 11132 bytes |
SHA-256: d2069424297439645fca2e38a9811aee2be245f54b27ae80a1ee7637674bd894 |
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