MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, indicating it likely serves as a phishing or redirector document. The primary attack vector appears to be a link farm designed to direct users to malicious infrastructure, specifically noted is the URL https://dafemum.ru/wix?keyword=jsl+eavesdropping+answers. The document's structure and numerous external links suggest an attempt to lure users into clicking through to potentially harmful content.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/wix?keyword=jsl+eavesdropping+answers In PDF document text
- https://lixawedubofalat.weebly.com/uploads/1/3/1/4/131407760/fened.pdfIn PDF document text
- https://bapanezuginu.weebly.com/uploads/1/3/5/3/135310050/1951904.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410015/normal_6047249daa0e4.pdfIn PDF document text
- https://nudadisaxoge.weebly.com/uploads/1/3/4/0/134018155/7598693.pdfIn PDF document text
- https://telozigigozato.weebly.com/uploads/1/3/4/3/134310186/kuxuvunopasivabiwaxo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465938/normal_603682b017cec.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369909/normal_60210c19a6933.pdfIn PDF document text
- http://tujubafi.getenjoyment.net/dynamex_decision.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369524/normal_5feeac00a740d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476427/normal_5ff30376044b4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1ce8651a-bfbb-4b9a-b1bf-24b3b574775a.filesusr.com/ugd/ac72e0_1760166a5cdc4a36b060c7044e629c42.pdf?index=trueIn PDF document text
- https://77a80da1-97a3-4b40-ba11-54c6d232eb66.filesusr.com/ugd/39a0fd_4973e978aefa4b97a4c5c731f7ad6186.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bejikefowu/fetirulitakafizu.pdfIn PDF document text
- https://40785fcd-1e5e-4316-9306-5db1d5795eae.filesusr.com/ugd/2f07a1_3dce2246d5104a42bce7e797f1b323de.pdf?index=trueIn PDF document text
- http://fotizojorirepel.onlinewebshop.net/21816152483.pdfIn PDF document text
- http://gezixus.myartsonline.com/fimuteritoxexinofozalif.pdfIn PDF document text
- https://0879403c-3be5-48e4-925f-21334a7d5cfe.filesusr.com/ugd/407fcc_37edf81e9b1b4ab488853d6e2f6ae1f6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zizene/how_to_work_cobra_microtalk.pdfIn PDF document text
- https://s3.amazonaws.com/resabomibogodaw/nikimitepawiduma.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_off0000db6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB6E | 5268 bytes |
SHA-256: ab153b24f44611bdcfb752d64c928e8b61acfa9492d98918516c170cd9896f24 |
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font_01_sfnt_off0000ed79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED79 | 11512 bytes |
SHA-256: 1d9012d237564db5b168361ac67b5ae0372c8aa5442edf3c80dceb7c9b787a3c |
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