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 0.9996
Heuristics 6
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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 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://gimoguvi.ru/strik?utm_term=kpss+matematik+2019+soru+da%25C4%259F%25C4%25B1l%25C4%25B1m%25C4%25B1 PDF link annotation
- https://jerofewu.weebly.com/uploads/1/3/4/3/134369167/7907589.pdfIn PDF document text
- https://refiraledekire.weebly.com/uploads/1/3/4/7/134715744/afb7ecb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372080/normal_5fd7fb1d8a5cd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487622/normal_5febd08a67555.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463807/normal_605ad3c6a1664.pdfIn PDF document text
- https://kasababafaraw.weebly.com/uploads/1/3/5/3/135336348/5535128.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413455/normal_603b4ae56b8ae.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4483075/normal_5fce49687d51d.pdfIn PDF document text
- https://gidafefutor.weebly.com/uploads/1/3/4/0/134040883/2c7a96a0fb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374545/normal_604148e490116.pdfIn PDF document text
- https://rekinijibir.weebly.com/uploads/1/3/2/3/132302710/82563.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501791/normal_60461b75c5d55.pdfIn PDF document text
- https://rivibesosad.weebly.com/uploads/1/3/4/5/134529272/misivomaz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/7ce3a074-7873-4c57-9cc7-bc9e52991faf/78701552682.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/80323702-038d-4bfd-95f6-3c26c273e1e6/biwerodinefagasavenuk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b7e6f608-2053-4546-bf5a-86d7b5d2180d/xadavizuduvutosiduwe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/62475008-46ea-4a45-bdb8-d740df9d9c72/dikosuwirazupejamopepar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc7f3ed4-c01d-4f2f-8029-92d39237dc7e/58149734603.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6b11d5a-ba87-49cb-a262-d682e5344ddb/85814746948.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2ea0a3f5-91a7-4d3b-aca8-206d116c0554/korg_d888_for_sale.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2ac14ce1-a70c-4051-9c67-8f104992caa7/zedenaxotubesovezodenas.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF4 | 5660 bytes |
SHA-256: ca100abb3459d4c15cea0f2ef912330e2497a8ecb0e38387582eb5dcee21b38d |
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font_01_sfnt_off0000ff36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF36 | 12396 bytes |
SHA-256: 223b43b69709d47a5472e91e1372a531abdaf5c4a5d9b3d1cce608c617ab2a17 |
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font_02_sfnt_off000125cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125CF | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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