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=print+release+form'. Additionally, a machine learning classifier and ClamAV detection strongly indicate maliciousness. The embedded URL is likely used to lure users to a phishing site or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 4
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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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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=print+release+form In PDF document text
- https://cdn-cms.f-static.net/uploads/4454803/normal_5fdba61426685.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369161/normal_5fc69a47adc4f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392666/normal_5faf0091a8d40.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460232/normal_5faefdbf5b807.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416791/normal_5fb54f6514839.pdfIn PDF document text
- https://cdn.sqhk.co/kitolitik/eifhaFZ/hill_racing_2_game_play.pdfIn PDF document text
- https://cdn.sqhk.co/wolitobutak/bjjWy6V/26490405290.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370533/normal_5fe83eb680236.pdfIn PDF document text
- https://cdn.sqhk.co/kikutajaz/k0jjdhj/crazy_for_racing_2_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/kedezoge/jdiebHM/rigeliwexotagusix.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000ccba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCBA | 4916 bytes |
SHA-256: 28caa372ff4456a64ef7f6ecd6a8f9b0d42c1f616ea227447653c2a83dc04422 |
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font_01_sfnt_off0000dd58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD58 | 10220 bytes |
SHA-256: 3f94f43e71b181865088a9a05a4287911853c76c05b44f5e823b6f650505d397 |
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