MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URLs, with one prominent URL being dugedepap.ru. The presence of a link farm suggests an attempt to direct users to potentially malicious websites for phishing or malware distribution, aligning with the Spearphishing Attachment technique.
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://dugedepap.ru/123?utm_term=cambridge+english+empower+c1+pdf+descargar PDF link annotation
- https://cdn-cms.f-static.net/uploads/4409806/normal_606258158c84e.pdfIn PDF document text
- https://rafafokisot.weebly.com/uploads/1/3/4/7/134738004/54a1d5.pdfIn PDF document text
- https://kawuwulaf.weebly.com/uploads/1/3/3/9/133987507/6d996ff.pdfIn PDF document text
- https://mizemajawoxulu.weebly.com/uploads/1/3/1/4/131437858/e7a01fbe5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410004/normal_6043fae78a551.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369524/normal_5feeac00a740d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470687/normal_606e89ea0974c.pdfIn PDF document text
- https://koximewi.weebly.com/uploads/1/3/0/7/130775363/257319.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419204/normal_603d3b184ce1b.pdfIn PDF document text
- https://lobavasato.weebly.com/uploads/1/3/1/4/131483685/kigapoguv-wifevi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487618/normal_5fdcbc5e5f791.pdfIn PDF document text
- https://namovanuzo.weebly.com/uploads/1/3/1/6/131606642/vanilozix_dafalu_teriniwali_sotir.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391305/normal_604cbbc1bfd70.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4527747/normal_605a0281d8c74.pdfIn PDF document text
- https://guxovegetixewaz.weebly.com/uploads/1/3/2/3/132302910/f69045abc320.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490371/normal_5ffdc7bf13f69.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4483361/normal_5ffcfb478c5b4.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/ddf59c58-4212-46b6-bbbe-63fbbb07016c/jorge_bucay_cuentos_cortos_de_amor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/43cdd729-70f2-473a-b287-c724a3d2d3e2/python_list_comprehension_multiple_variables.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d9441c2-0f1e-4dc9-a7c5-ce33ded46f30/91662999130.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e072ed09-5dd9-4616-b552-cf643a0d1b11/nilubuti.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/291dea87-ad84-4e31-a4c0-9b46be1c6a3f/voforijosenagixumi.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_off0000d7c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7C8 | 5756 bytes |
SHA-256: e904e58e75804868b6f725a34156833e7493bc8f9ea3980e5c4e924fe7ae27ed |
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font_01_sfnt_off0000eb3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB3B | 11444 bytes |
SHA-256: 9d8f083c51f192fe985ce0b708618ac2bb48c8f05daa6f2db28f498bb66f5b62 |
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