MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure, specifically `https://gettraff.ru/aws?utm_term=asus+zenfone+5z+android+9+pie+update`. ClamAV also detected this file as `Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0`. The document body, though heavily obfuscated, suggests a lure related to an Android update, aligning with a phishing 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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://gettraff.ru/aws?utm_term=asus+zenfone+5z+android+9+pie+update
- https://cdn-cms.f-static.net/uploads/4375896/normal_5f8afdef628ba.pdf
- https://cdn-cms.f-static.net/uploads/4469386/normal_5fb03beb99159.pdf
- https://cdn-cms.f-static.net/uploads/4528959/normal_5fc089b0e116d.pdf
- https://cdn-cms.f-static.net/uploads/4408596/normal_5fab155ec1f35.pdf
- https://cdn-cms.f-static.net/uploads/4366000/normal_5f9fd5584440b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static1.squarespace.com/static/5fc0d4a28139af037644e7e6/t/5fc544cd2dd96f59189a9a1f/1606763728312/ravi_jagadeesan_harvard.pdf
- https://s3.amazonaws.com/tarizirefevifab/46851566045.pdf
- https://uploads.strikinglycdn.com/files/931058f4-de6a-432d-bcf3-e58d95e45af7/29553309170.pdf
- https://uploads.strikinglycdn.com/files/1f621176-cedc-489d-b907-15df47f7a34d/55130489478.pdf
- https://static1.squarespace.com/static/5fc1bb67bdb33045eec822d5/t/5fc5034608845d092427da52/1606746954557/wozuw.pdf
- https://static1.squarespace.com/static/5fc527e6403f5353fdb14542/t/5fcfed95f034cb7e8e4a8cb2/1607462294160/nejawuxubejarobadiz.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_off0000c513.bin5c083c0ed8f30ad2ce8ea635d6bb7d0581e5a2ecad7ee6b59b9bbfc844002f76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC513 | 5320 bytes |
font_01_sfnt_off0000d749.bin2274a389b15f34f13b668c2d5bc2fb6b5b84ebe2b381a503fe885cee4da98bfe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD749 | 10768 bytes |
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