PDF malware analysis — malicious · 1917a3d409151bbd

MALICIOUS

PDF

61.2 KB Created: 2020-12-24 08:57:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 2e56a76aff2a9e76571796298a16ad82 SHA-1: 32bed8ffb85a93e8352d3016c45835c849105606 SHA-256: 1917a3d409151bbdcc3d2ac167d9144484decedf8230e75221dafa0868b095d8

152 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 'ggtraff.ru'. This indicates an attempt to lure the user to a potentially harmful website. The ML classifier also flagged the PDF with high confidence. While no scripts were extracted, the embedded URL is the primary indicator of malicious intent, likely for phishing or malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9030

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF 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.
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Embedded URL info EMBEDDED_URL

One 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://ggtraff.ru/strik?utm_term=s10+ringtones+zip
- https://cdn-cms.f-static.net/uploads/4450434/normal_5fb935356905d.pdf
- https://static.s123-cdn-static.com/uploads/4387712/normal_5fe01a752c20a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/baxunaf/charlie_chaplin_worksheet.pdf
- https://uploads.strikinglycdn.com/files/2a753930-7a60-4d9b-a323-d1c66fba122e/86674154334.pdf
- https://s3.amazonaws.com/tuzakifezara/5247201012.pdf
- https://s3.amazonaws.com/petuzutemixuvod/25275029758.pdf
- https://s3.amazonaws.com/feliso/dadowopuxosemafajil.pdf
- https://s3.amazonaws.com/bevekizadoxuj/jalebi_in_english_answers.pdf
- https://s3.amazonaws.com/lurutopobi/galanesugiraterugix.pdf
- https://s3.amazonaws.com/teximikamukubo/dejeuner_du_matin.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c836.bin` `e249cf629fd8d641746664ca45ba004fd64d251d112d25745ae54dec24350c9b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC836	4880 bytes

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