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://vilenefex.ru/award?keyword=english+grammar+book+class+9+10+pdf PDF link annotation
- http://table-wait.com/bavekaduriwigegifowifitafcfbfc.pdfIn PDF document text
- http://temezisabekazev.iblogger.org/jivebegibix.pdfIn PDF document text
- https://tawisowa.weebly.com/uploads/1/3/5/3/135315305/5822676.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426960/normal_604ce40439725.pdfIn PDF document text
- https://jibidamo.weebly.com/uploads/1/3/5/3/135337573/9545337.pdfIn PDF document text
- https://tinusibojuzikat.weebly.com/uploads/1/3/2/7/132711981/dewatu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419857/normal_60144eeab4d51.pdfIn PDF document text
- http://kalavar.xyz/joderisanozimefiguxivegody06f.pdfIn PDF document text
- http://zifasito.22web.org/rudofsky_architecture_without_architects.pdfIn PDF document text
- http://sagebiwepul.22web.org/investigation_4_diffusion_and_osmosis_lab_report.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/8eb34b76-daeb-41d6-b175-7e06d84f7e85/gonuril.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eae08005-e641-45f8-b339-533074e7f21c/how_to_repair_widex_hearing_aid.pdfIn PDF document text
- http://vuwilup.epizy.com/67312435886.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/829bcba3-b621-4e39-bb9d-8e787abdbf40/what_hunting_season_is_it_in_vt.pdfIn PDF document text
- http://nevejekegasa.epizy.com/3375252794.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/23489c5c-8edb-4e92-b316-5ff10a122c8f/why_do_you_want_to_be_a_medical_surgical_nurse.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/60638e4c-ce41-4e2d-bea4-5a187d2f0ac6/13798302136.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/81fc401d-a2a0-445a-a07f-6639e8d07181/mercury_9.9_4_stroke_carburetor_diagram.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ede147b1-837f-4545-b0f9-411f2e13527e/93006468669.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_off0000f1d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1D4 | 6080 bytes |
SHA-256: 7cb948cbe9e46858f770d87d63e879cf8761afe8d79ac39cfb724ab54b27433e |
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font_01_sfnt_off0001065c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065C | 10888 bytes |
SHA-256: a83a589ad254203bea53034a7f075e417d44701d85fa584dc7e3980e02aa27c1 |
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