MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or trojan. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to trick users into calling a phone number, consistent with tech-support scams or fraudulent billing schemes. While no scripts were explicitly extracted, the presence of external URIs and the overall malicious classification suggest it may exploit PDF vulnerabilities or embed malicious JavaScript to facilitate further compromise. The primary IOC is the external URL used for redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://traffking.ru/123?utm_term=alachua+county+clerk+of+the+court+case+search
- https://cdn.sqhk.co/kosuxatune/SePThh9/59184511674.pdf
- https://reninifovebomul.weebly.com/uploads/1/3/4/3/134361606/d73cd709a6d5.pdf
- https://static.s123-cdn-static.com/uploads/4448535/normal_5fcf012295332.pdf
- https://cdn.sqhk.co/ritafase/geghggr/18554647371.pdf
- https://cdn-cms.f-static.net/uploads/4389603/normal_5fa836562f9e1.pdf
- https://cdn-cms.f-static.net/uploads/4370285/normal_5f8948b54304c.pdf
- https://vataripisak.weebly.com/uploads/1/3/4/6/134600115/7029741.pdf
- https://static.s123-cdn-static.com/uploads/4491445/normal_5fca99e5b89bd.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/zabevog/century_battery_charger_manual_87151.pdf
- https://uploads.strikinglycdn.com/files/3eb0386a-163a-4cf3-b2d6-f1930311a958/tezejakako.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_off0000ce6d.bina0710117a7983c6e318834f7832420048a0cefe294ed3a4be3ba9194e2a62585 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE6D | 5124 bytes |
font_01_sfnt_off0000dfe2.bin1bc35c5e9ff6a9e114019472127728d981ccabb131f84410983ce95c1b212787 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFE2 | 10488 bytes |
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