MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by multiple heuristics, including a critical alert for linking to known malicious redirector infrastructure and a machine learning model indicating high maliciousness. The 'SE_CALLBACK_LURE' heuristic specifically identifies the document's content as a phone lure for callback phishing or tech-support scams. Although no scripts were extracted, the presence of embedded URLs and the nature of the heuristics strongly suggest a phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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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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://traffmen.ru/123?utm_term=garmin+rino+650+accessories
- https://static.s123-cdn-static.com/uploads/4461204/normal_5fe17b2aca336.pdf
- https://cdn-cms.f-static.net/uploads/4480403/normal_5fb943eaf381a.pdf
- https://static.s123-cdn-static.com/uploads/4374024/normal_5fcb5f91d3b5b.pdf
- https://cdn.sqhk.co/poturofivat/GplBif2/20450318244.pdf
- https://static.s123-cdn-static.com/uploads/4367950/normal_5fca56d9d3a04.pdf
- https://cdn-cms.f-static.net/uploads/4419441/normal_5faaed2f67fe0.pdf
- https://cdn-cms.f-static.net/uploads/4427282/normal_5fa6574534829.pdf
- https://cdn-cms.f-static.net/uploads/4384649/normal_5f9fb30b0ff0d.pdf
- https://cdn-cms.f-static.net/uploads/4372074/normal_5f9bace5929ed.pdf
- https://cdn-cms.f-static.net/uploads/4379987/normal_5fa07f0ad43bc.pdf
- https://cdn-cms.f-static.net/uploads/4489848/normal_5fb679bcb331a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/952441b0-804b-4c3a-8c34-c40f440f78e0/calendario_2019_escolar_2020_sep_cdmx.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_off0000edbe.bin1fd5f4d312f88792197b3f0d0509a79733fd9ff284cf587a1f36fc32ec2caef7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDBE | 5364 bytes |
font_01_sfnt_off0000ffe3.binef5ae33a856097a19d266c7e6617c974712f6b39e6878b32eefedd4fef651859 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE3 | 10760 bytes |
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