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 0.9994
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://jumiwimov.ru/strik?utm_term=duplicado+certificado+bachillerato+ceneval+acuerdo+286 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4471513/normal_606479573f74c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4498702/normal_605ce9db2ffb3.pdfIn PDF document text
- https://bijazebis.weebly.com/uploads/1/3/1/3/131382141/xoxedu_nokobafig_midivikep_xufafesamoxade.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460241/normal_604f7c72368fa.pdfIn PDF document text
- https://farupixin.weebly.com/uploads/1/3/4/3/134314126/sopenu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370092/normal_60339f3487bf2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481834/normal_601f59b1121a1.pdfIn PDF document text
- https://pusakinadolelu.weebly.com/uploads/1/3/2/6/132682110/fepafegufo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416805/normal_5fd7161867cc1.pdfIn PDF document text
- https://puzuzabijil.weebly.com/uploads/1/3/2/8/132814257/degin.pdfIn PDF document text
- https://makukojubava.weebly.com/uploads/1/3/0/7/130739489/e77b9.pdfIn PDF document text
- https://tazizepi.weebly.com/uploads/1/3/4/4/134439401/3941669.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4498702/normal_6053581d74a27.pdfIn PDF document text
- https://tegikalom.weebly.com/uploads/1/3/0/8/130874380/levumodesawemak.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489844/normal_60241ec96f9f9.pdfIn PDF document text
- https://povefedonigo.weebly.com/uploads/1/3/1/6/131637150/fusugotokagi_kinivudibik.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/08e987cd-92d8-4d7d-b6fe-0221b8750c3a/juwunidegimovanupi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6fcd2ba8-a72a-4088-aefd-ccaa5ac00195/68642644066.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a03a08e7-e2c6-4d79-9271-a0aeac2e3327/digital_design_mano_5th_edition_solutions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f5ad0c5-dd24-4a08-84a6-f782f972c07b/how_much_do_farm_irrigation_systems_cost.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f038ba8-3603-4925-8107-59e0ff660916/65714225787.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4e8a4ad6-84eb-4884-8798-98655df27990/reset_linksys_re2000.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8632c8cc-2e52-4136-911e-4a7f8ef8be95/52489184693.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_off0000f744.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF744 | 5744 bytes |
SHA-256: beb50ff2275a88e66267e74614d9534b1d6357d2ae696ed4cc83b6e7b9bff160 |
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font_01_sfnt_off00010ad4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AD4 | 13436 bytes |
SHA-256: 0248d1d2adef103cb9a51c21fd3a7fe0b798bc5e8142eda85b0d943cc5a103bc |
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