MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://cctraff.ru/123?utm_term=opossum+tracks+in+dirt'. This indicates the document's primary purpose is to lure the user to this malicious site. The ML classifier and ClamAV also flagged the PDF as malicious, reinforcing this assessment. No scripts were extracted, but the embedded URL is sufficient evidence of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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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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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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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://cctraff.ru/123?utm_term=opossum+tracks+in+dirt
- https://zirufifun.weebly.com/uploads/1/3/0/8/130874679/5627828.pdf
- https://kipuveleg.weebly.com/uploads/1/3/4/8/134851645/jatosotati.pdf
- https://zolegezuboz.weebly.com/uploads/1/3/4/4/134462972/3b02a03.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/vonutavekip/annamalai_university_exam_form_may_2019.pdf
- https://uploads.strikinglycdn.com/files/f0d83a6d-3693-4686-8ac0-83670591ef1b/cen_tech_code_reader.pdf
- https://uploads.strikinglycdn.com/files/7c5f15d2-0dd6-4099-aa0d-166839a4f912/96219370950.pdf
- https://s3.amazonaws.com/lebaxa/mowebibevenejesogak.pdf
- https://uploads.strikinglycdn.com/files/56e9448b-b0b1-4fc9-90a6-80c5dc175a20/79089867953.pdf
- https://s3.amazonaws.com/vufupu/pogovuje.pdf
- https://uploads.strikinglycdn.com/files/6653c00c-971d-44ff-b55e-6f45260c62a5/37040043136.pdf
- https://uploads.strikinglycdn.com/files/75dfba08-4a50-42c7-98f3-d3100b7c7f99/jedodozuja.pdf
- https://uploads.strikinglycdn.com/files/0c6a9bcf-6762-4c71-a840-c2c21c11330c/3.pdf
- https://uploads.strikinglycdn.com/files/46703f93-a0a6-498a-8ffd-53bfe4c255b9/sebedolumikajigerugipusa.pdf
- https://s3.amazonaws.com/zolerazowubow/firefox_49_for_windows.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de38.bined8748722e46667dae5a7f2476ed372cdff280640c1dda1e5ac457ff6f809eeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE38 | 5280 bytes |
font_01_sfnt_off0000f00d.bina7e0f18345467ff5e203c86d4612b84194c4478afc854881a66b4f9260fbdd98 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF00D | 10636 bytes |
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