Malicious PDF — malware analysis report

Static analysis result for SHA-256 a349d769af112967…

MALICIOUS

PDF

58.6 KB Created: 2021-01-25 16:06:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 67ca51af04f86a8bd5594a85269bdbbb SHA-1: 7d962b937c80f28bdfb01e6cd32ad560e5cbf676 SHA-256: a349d769af1129676793dd6eaff6d0949ad2c007707ead541cc5cb5de4a72f79
182 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous embedded links that redirect to various domains, many of which are flagged as malicious or hosted on disposable infrastructure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The document body, though heavily obfuscated, contains text related to product listings, suggesting a lure to entice users to click on the malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9430

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://yafferge.ru/aws?utm_term=mens+formal+suits+online+india In PDF document text
    • http://jokebixa.22web.org/agora_astur_formacion_gijon.pdfIn PDF document text
    • http://mijudivoxobo.iblogger.org/call_broadcast_receiver_android.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447460/normal_6003d5430dcee.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450513/normal_5fc8a88130c7e.pdfIn PDF document text
    • https://cdn.sqhk.co/jutafegobexe/U6NEiim/adidas_slides_womens_purple.pdfIn PDF document text
    • https://tevoletefe.weebly.com/uploads/1/3/1/6/131606261/rilibuzeme.pdfIn PDF document text
    • https://motodamoz.weebly.com/uploads/1/3/1/4/131452818/4666730.pdfIn PDF document text
    • http://myyshooop224.site/tonamemi4k1ci.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4455376/normal_5fe171f2eba72.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4501660/normal_5ff9dd1fdef44.pdfIn PDF document text
    • http://xujogefup.rf.gd/html5_frameset_template.pdfIn PDF document text
    • http://bozivexaterem.epizy.com/nogimoxejob.pdfIn PDF document text
    • http://guxajez.rf.gd/classifying_triangles_worksheet_3rd_grade.pdfIn PDF document text

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