MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It contains a large number of external links, many pointing to potentially disposable domains, suggesting a link farm or SEO manipulation tactic. The primary malicious activity appears to be directing users to external resources, which could host further malicious content or phishing attempts.
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://midufefew.ru/award?keyword=essential+words+for+the+toefl+pdf PDF link annotation
- http://bekokax.getenjoyment.net/80466849226.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368466/normal_602b123fdafbf.pdfIn PDF document text
- https://titobabedax.weebly.com/uploads/1/3/4/3/134317276/radojududef.pdfIn PDF document text
- https://cdn.sqhk.co/nezusoxe/ghhFjgi/29230286296.pdfIn PDF document text
- https://lemapola.weebly.com/uploads/1/3/1/4/131407815/borukajude.pdfIn PDF document text
- https://cdn.sqhk.co/vekuniruf/gjjibhh/48948765180.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4372382/normal_5ffb27d763733.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4371497/normal_5feb156f66416.pdfIn PDF document text
- https://mixutuxo.weebly.com/uploads/1/3/4/6/134692071/9466715.pdfIn PDF document text
- https://fapixuguxoga.weebly.com/uploads/1/3/1/0/131070829/kimomiwuvenofo.pdfIn PDF document text
- https://nexawukuvinu.weebly.com/uploads/1/3/4/5/134578226/3ea5d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475863/normal_604de31770b7f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://65de77fc-0341-4fd2-89b2-cd6b005a91de.filesusr.com/ugd/cf79db_2b3b0092b64f4361a301059160b8de8b.pdf?index=trueIn PDF document text
- https://44dd6259-7513-41c7-b2f1-b2b1fc385d2e.filesusr.com/ugd/63022f_aba49c97a11a4b6da40be57571631acc.pdf?index=trueIn PDF document text
- https://ff4d9611-e7ea-45f2-85d3-f0b464ef817f.filesusr.com/ugd/48f461_0fb6c285fa86448283252a08fe389d62.pdf?index=trueIn PDF document text
- https://f64a1a0a-debf-4843-a838-a34c0cae0f4a.filesusr.com/ugd/89602e_b0caf8c1d6da448e9ad12bd54f4c49d9.pdf?index=trueIn PDF document text
- http://rukosivujuxu.atwebpages.com/free_bible_commentary_download_for_android_mobile.pdfIn PDF document text
- https://2a403a33-5f6e-4534-96f9-742aa7325afc.filesusr.com/ugd/d2da83_5ff94d5eedd14d15b7a854d2545afa3c.pdf?index=trueIn PDF document text
- https://61090d85-22e6-4724-b969-52a17785150c.filesusr.com/ugd/952c2e_030b48555d48475dbd3e75ea87e8b97e.pdf?index=trueIn PDF document text
- https://1482387f-61d8-47e1-b538-9b7f1e8b89fb.filesusr.com/ugd/538d67_033f76029574408da6ad31499ccbf094.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e0be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0BE | 5176 bytes |
SHA-256: 4b0995e32ac2215ebcec1194a09555aa3b8619e517fc68655fcc570693d6b56b |
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font_01_sfnt_off0000f261.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF261 | 3128 bytes |
SHA-256: 6967b163aab7518dc30e82ce99b84cd7f69d21f81cf4225d8f08db93334c72db |
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font_02_sfnt_off0000ff24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF24 | 10600 bytes |
SHA-256: 07fabee17737be041e73e6d219b3a9a3a4c3a614d06bfa7ab3b630374251b8c4 |
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