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 0.9997
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://wastran.ru/pbw?utm_term=differences+between+romanticism+and+neoclassicism PDF link annotation
- https://cdn-cms.f-static.net/uploads/4383687/normal_6027baaa9b20b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368486/normal_5fcedc56bfdac.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374369/normal_606e46e7bfb3b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450047/normal_5fd76af0938aa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366369/normal_5fdb1c85761ba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470968/normal_602e58d0c58bb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426279/normal_60b7d6f1e3906.pdfIn PDF document text
- https://tupetipu.weebly.com/uploads/1/3/4/4/134489263/kamezokorogizodi.pdfIn PDF document text
- https://zurenigexozaxil.weebly.com/uploads/1/3/4/6/134606750/volejijumani-beniwiwasusewow-wipexaras.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454822/normal_5fde79785ed0f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460230/normal_606b72df2649e.pdfIn PDF document text
- https://tezolusubugejel.weebly.com/uploads/1/3/5/3/135314563/7272158.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/4278e5a4-f131-47a7-82f7-c5af517828b8/tezekuxaserufa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/80dcc824-691b-4c68-b009-3dda04fee9ab/terakukibikunel.pdfIn PDF document text
- http://fodorafirig.pbworks.com/w/file/fetch/144440571/66_bpsc_question_paper_2020.pdfIn PDF document text
- http://fevuxowina.pbworks.com/f/jubelejolum.pdfIn PDF document text
- http://vazufatar.pbworks.com/f/what_is_g-shift_g402.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/195686c4-5c49-4832-a58b-3f4420626bff/how_to_measure_blood_pressure_with_sphygmomanometer_without_stethoscope.pdfIn PDF document text
- http://xujefix.pbworks.com/w/file/fetch/144778596/wifadiriwowoxazisafo.pdfIn PDF document text
- http://jedilukiwo.pbworks.com/w/file/fetch/144667011/1050498708.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff3f94dd-ceed-4f1e-857a-f6c8fcd93b6e/30941794727.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_off000108fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108FD | 5400 bytes |
SHA-256: 47fc79d93192ec68ed3955b7454035f544eef07b93478ad4f2185d60eeabcc48 |
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font_01_sfnt_off00011b58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B58 | 10712 bytes |
SHA-256: 6b49c92b57b7c71f6d251c806a245ffb9fa296a62cb9a7e05520e1cca30f6897 |
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