Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc539c2f85cfe710…

MALICIOUS

PDF

57.3 KB Created: 2020-11-24 03:40:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 367db5a2882e95b319defdf9596e6b3c SHA-1: e656cc09a9b815b27141689fcd0445d28b5cc90b SHA-256: fc539c2f85cfe71045e01e80061b4f921b2741df1f4465a89f95ff77d1a6ea46
152 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. The embedded URL, 'https://traffine.ru/strik?utm_term=glary+utilities+trial+download', is likely part of a phishing or malware distribution scheme. The ML classifier also flagged the PDF as malicious, supporting the assessment of a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8255

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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://traffine.ru/strik?utm_term=glary+utilities+trial+download In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/d3608d20-62d5-426d-ba28-d4c9439468f7/24621430616.pdfIn PDF document text
    • https://s3.amazonaws.com/wumodukubaru/gb_whatsapp_v_7._20.pdfIn PDF document text
    • https://s3.amazonaws.com/nijosinizo/2017_acura_tlx_owners_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/napoledunadigo/work_worksheet_physics.pdfIn PDF document text
    • https://s3.amazonaws.com/xebareto/keboluniti.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0cb9eec6-c110-4aad-a74e-594e4f63cb00/download_lil_wayne_tha_carter_3.pdfIn PDF document text
    • https://s3.amazonaws.com/sitok/pilujale.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/18c943df-5f4f-401b-913c-b92077a44fc5/bewilutusanag.pdfIn PDF document text
    • https://s3.amazonaws.com/sasufufa/assignment_504_in_hindi.pdfIn PDF document text
    • https://s3.amazonaws.com/buxoparadazegu/53869113382.pdfIn PDF document text
    • https://s3.amazonaws.com/suxiweke/36160495008.pdfIn PDF document text
    • https://s3.amazonaws.com/jozetej/futolofamuposoz.pdfIn PDF document text
    • https://s3.amazonaws.com/zategafozasiru/makupudiwal.pdfIn PDF document text
    • https://s3.amazonaws.com/negonanopix/34937379654.pdfIn PDF document text
    • https://s3.amazonaws.com/topipovikapari/80144828472.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cbf6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCBF6 5044 bytes
SHA-256: ae159f639332faddb1720cb53720927a16564e84aa71534e2a78a23714722232

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