MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains a fake CAPTCHA lure to trick users into clicking a link. This link, 'https://gettraff.ru/strik?utm_term=letterbomb+wii+sd+card', redirects to known malicious infrastructure. The document also hosts a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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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://gettraff.ru/strik?utm_term=letterbomb+wii+sd+card In PDF document text
- https://cdn-cms.f-static.net/uploads/4370560/normal_5f9c43258e543.pdfIn PDF document text
- https://fabobabi.weebly.com/uploads/1/3/4/6/134678451/4186909.pdfIn PDF document text
- https://xitukuwelup.weebly.com/uploads/1/3/4/3/134340625/6391395.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/83ee857c-fd73-4a8a-8b4d-2df04a97f8d9/genius_hour_research_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b081424a-3e72-496c-b2de-4cb9ec33d5bf/vbuck_gnrateur_aucune_vrification.pdfIn PDF document text
- https://s3.amazonaws.com/fikuvine/81925955882.pdfIn PDF document text
- https://s3.amazonaws.com/farezelof/keeping_track_of_expenses_spreadsheet.pdfIn PDF document text
- https://s3.amazonaws.com/fizufapu/xaburilisejewodofatosajep.pdfIn PDF document text
- https://s3.amazonaws.com/dirijazi/serelofivezo.pdfIn PDF document text
- https://s3.amazonaws.com/mekonulegipero/82006245430.pdfIn PDF document text
- https://s3.amazonaws.com/kigavanus/define_controlling_idea_in_literature.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fde3ac35-45e0-4a79-8ce3-e8132b8ac0ee/22923097418.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4dd6894a-12af-49ba-87f1-dbf57c6c1c59/wapogibuto.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c22541da-e2c0-47ab-8ba6-865f7437b3a1/lejeniloxuzete.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4cf30d0d-8482-45d3-b60f-fee2de61053c/halliday_fundamentals_of_physics_1.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_off0000d78c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD78C | 5228 bytes |
SHA-256: 1781bbc5ef6ae9d2fd86c672274aff3e5c3c5547c5fa9d338276321a2be6902a |
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font_01_sfnt_off0000e94d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE94D | 10668 bytes |
SHA-256: 39df7d0bdedd97240b58f7a7abad8ee5f5f4814192288f640f7fe64dfebf9fd1 |
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