MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document was flagged as malicious by ClamAV and an ML classifier, and contains numerous embedded links. Several heuristics indicate it functions as a link farm, with many links pointing to disposable hosting and redirector infrastructure. One URL, 'https://dafemum.ru/strik?utm_term=cuales+son+las+capacidades+fisicas+coordinativas+y+su+definicion', is identified as a malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=cuales+son+las+capacidades+fisicas+coordinativas+y+su+definicion In PDF document text
- https://tijisuxijofijo.weebly.com/uploads/1/3/4/3/134374136/4866685.pdfIn PDF document text
- https://wijowapozibam.weebly.com/uploads/1/3/5/3/135329999/5497251.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457604/normal_5fd9a6978ec42.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421333/normal_5ffa163edb822.pdfIn PDF document text
- https://nosodawef.weebly.com/uploads/1/3/4/6/134693330/robumolage.pdfIn PDF document text
- https://wededizopi.weebly.com/uploads/1/3/3/9/133986349/8732390.pdfIn PDF document text
- https://wutowenejeboz.weebly.com/uploads/1/3/4/5/134599911/6458332.pdfIn PDF document text
- https://moxisubisoxotap.weebly.com/uploads/1/3/4/8/134893280/gifaxapaxokakeguxuka.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481402/normal_5fe7b12c969f4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410015/normal_5ff09b79968b1.pdfIn PDF document text
- https://masenajeronuzes.weebly.com/uploads/1/3/1/6/131637464/fbea71d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460946/normal_601a64add271c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378827/normal_606bdd4924868.pdfIn PDF document text
- https://kasugokadudibuk.weebly.com/uploads/1/3/4/7/134740653/razoxo-vizitogorizeza-babizikebubi-likexidafubobo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380871/normal_603c69e390dd8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4530429/normal_6037d20093f93.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499972/normal_6039e6e668917.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4389823/normal_5fc729b3b5dc7.pdfIn PDF document text
- https://vovalupegat.weebly.com/uploads/1/3/4/6/134632914/ziwufetatotifu_jiwedus_taruwime.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418399/normal_604897c14dde9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367905/normal_605fd3d5d5529.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416299/normal_606cf1a13709f.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/449b1fde-00a2-48ad-8af1-5140a1f8fa43/6.0_powerstroke_factory_turbo_specs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0f492b23-8c61-43b2-afda-3f8d207521d9/widagewek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/95f78136-09f7-49a1-90b4-13f41337d5cf/19943751968.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/983d18ea-b088-4671-a82c-bd902d521597/78230215693.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_off0000fa87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA87 | 5216 bytes |
SHA-256: c5fb984c3562ce139376f4c7b140487c7fbb7415941aa4736c2ed0673326540e |
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font_01_sfnt_off00010c62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C62 | 12256 bytes |
SHA-256: 98b0a213ea43eb6b73be8388796f538cbe522715576ff58ce762106cb5069626 |
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