MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm with numerous external URLs. The heuristic 'PDF_SEO_LINK_FARM' indicates a high volume of links, suggesting an attempt to manipulate search engine results or distribute malicious content. While no scripts were explicitly extracted, the nature of the link farm implies a potential for redirecting users to phishing sites or malware downloaders.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://golowaki.ru/award?keyword=baroque+music+style+and+performance+a+handbook+pdf PDF link annotation
- https://sodapovi.weebly.com/uploads/1/3/4/4/134494820/wunusuzega.pdfIn PDF document text
- https://divekoworubu.weebly.com/uploads/1/3/4/0/134017674/zuwuzigifo.pdfIn PDF document text
- https://kenaveduku.weebly.com/uploads/1/3/0/8/130813649/f2c937510.pdfIn PDF document text
- https://lekemevegov.weebly.com/uploads/1/3/1/4/131410090/sulap-lomakaloteniro-jajijojuvu.pdfIn PDF document text
- https://sipovabamekejo.weebly.com/uploads/1/3/5/3/135391609/vikebise.pdfIn PDF document text
- https://pemiliruvobavex.weebly.com/uploads/1/3/0/7/130739389/jujevukodu-batezupike-sorixusitapux-bafadizalij.pdfIn PDF document text
- https://faripolugariwel.weebly.com/uploads/1/3/1/4/131453512/1831526.pdfIn PDF document text
- https://jotesufuxave.weebly.com/uploads/1/3/1/4/131483421/6451812.pdfIn PDF document text
- https://kitupiver.weebly.com/uploads/1/3/4/4/134446404/pofiluxineno.pdfIn PDF document text
- https://sanijala.weebly.com/uploads/1/3/4/8/134889677/zanolaxuli_pevuvinufuf_logituruki.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8b5ac0f3-2bc4-49a6-9a99-2541af31b215.filesusr.com/ugd/f2ef67_9bd10f78f8d443e28ce504c2c494e296.pdf?index=trueIn PDF document text
- https://7fc1e5b2-1dd8-4457-9de2-3dea1ab9f589.filesusr.com/ugd/fedd61_fde0391741e14599bc08a7af094fb3d8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/purawuma/free_writing_process_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/wiwamoxamo/woludenabumesijovotisotax.pdfIn PDF document text
- https://s3.amazonaws.com/jupevuxirapi/horizontal_projectile_motion_problems_worksheet_answers.pdfIn PDF document text
- https://91ca87c2-c493-4616-adaa-fbcec45394e1.filesusr.com/ugd/6116da_df51992754b549ed849ee0755e372bdc.pdf?index=trueIn PDF document text
- https://c2093f15-f4fb-4bda-9582-db5404103fa6.filesusr.com/ugd/b28561_d6831ff7ceeb4a7bae2ace98d42902d3.pdf?index=trueIn PDF document text
- https://6d4cd3b7-91e9-43ac-92b9-205473f1e50d.filesusr.com/ugd/28146e_64edd51f79414beaab622b6ba1882104.pdf?index=trueIn PDF document text
- https://9cfe8934-cc69-4f76-a0d0-2e9849ea4530.filesusr.com/ugd/fd9558_0c7bfa6f4e114a44b485d806ec35883a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pukaridimupo/gogolob.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_off0000cb23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB23 | 5876 bytes |
SHA-256: b7dd21a5085e91f1f7b6e454ffabe66d868aa5627f64cd51c148fcae75583d6b |
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font_01_sfnt_off0000defb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEFB | 9956 bytes |
SHA-256: 6e46e0eb836b25fbf6952d83a51cc5232188cd140d67e4be24f5375e68459d82 |
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