MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains a significant number of external links, many hosted on disposable domains, indicating a link farm designed to redirect users. The presence of 'utm_term=antivirus+kaspersky+android' in one URL suggests a potential lure related to security software. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of phishing or malware distribution campaigns.
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=antivirus+kaspersky+android PDF link annotation
- https://cdn-cms.f-static.net/uploads/4447434/normal_602e7fc45dfda.pdfIn PDF document text
- https://perikoweb.weebly.com/uploads/1/3/5/2/135297066/gakexisujep.pdfIn PDF document text
- https://lerexujirizafet.weebly.com/uploads/1/3/4/3/134344290/2324065.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417314/normal_5fe359f908d37.pdfIn PDF document text
- https://bevozuvegala.weebly.com/uploads/1/3/3/9/133999301/nusebexux.pdfIn PDF document text
- https://sesejeku.weebly.com/uploads/1/3/4/4/134495796/luxuzimaxiw-bewalafufuzusu-zasetuxij-teterinubu.pdfIn PDF document text
- https://mozurizubomexaj.weebly.com/uploads/1/3/4/6/134643417/3936800.pdfIn PDF document text
- https://mirulunus.weebly.com/uploads/1/3/1/1/131164386/madimiba.pdfIn PDF document text
- https://xonalofogikovor.weebly.com/uploads/1/3/4/3/134372302/6553838.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478685/normal_602fc9e790182.pdfIn PDF document text
- https://ruzejeparofilag.weebly.com/uploads/1/3/4/5/134582671/1280.pdfIn PDF document text
- https://nojugebi.weebly.com/uploads/1/3/4/3/134321301/1218746.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451736/normal_5fe6138253af9.pdfIn PDF document text
- https://divuvefa.weebly.com/uploads/1/3/4/7/134759037/ac90d2ff430a0a.pdfIn PDF document text
- https://minezutoka.weebly.com/uploads/1/3/2/6/132695516/5fd5f.pdfIn PDF document text
- https://foxewazijibaj.weebly.com/uploads/1/3/1/3/131379544/6749654.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/8f9f8816-4c9d-4770-a1f4-749256a485f2/jidijabipedazesezij.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5002344a-19aa-476c-9e2c-6a644ba0d539/samsung_bd-j5700_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b5983ac8-beca-49b0-be9c-5f2717f186b8/54841499655.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/101529e6-3013-4114-93bc-6b67fcc1146c/98546052408.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4626bdca-dc7e-4a78-a9b3-fb2f0a74860a/91248622207.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d900386a-3721-4009-8a37-0c5751527a78/kesuzazaxusasusabop.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_off000138e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138E0 | 5136 bytes |
SHA-256: fcb7f8438dd27d118e61c2978f05f1c5517f581fe7ed312275b7545a19caadd4 |
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font_01_sfnt_off00014a78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A78 | 11072 bytes |
SHA-256: 77e3f4ca8783129035b28430474df32d680ed7aef08a25633438a3494853af5f |
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