Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad145165bb7413ce…

MALICIOUS

PDF

32.9 KB Authoring application: Mobipocket Creator First seen: 2020-09-04
MD5: d0c3514318fd59ab8d8f5c7a8427fffb SHA-1: d4f5a5eaf3349ff9df5f687aad91594427bf75dc SHA-256: ad145165bb7413cec4bff3cdf07b44dd01932302c61f3d7788f02232edb82428
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged by multiple heuristics, including a critical finding for a link farm and ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The embedded URLs and the heuristic 'PDF_SEO_LINK_FARM' indicate a likely attempt to direct users to malicious or spam content. The presence of a 'download button' heuristic further supports a lure-based attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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 http://msb-art-integration.com/uploads/1/3/0/5/130588982/gerekolonaw-sejuki-nulowo.pdf In PDF document text
    • http://mycslab.com/uploads/1/3/0/5/130550679/6710524.pdfIn PDF document text
    • http://2chickschatabouteggs.com/uploads/1/3/0/6/130621854/pozawanadibudobuga.pdfIn PDF document text
    • http://oalkadi.com/uploads/1/3/0/4/130476873/9969070.pdfIn PDF document text
    • http://datinglovers.store/uploads/2020/01/28/ff20af6d6.pdfIn PDF document text
    • http://audiostart22.icu/uploads/2020/01/28/tifiroreb-rolonel-rizarewifoxegaz.pdfIn PDF document text
    • http://neokundalini.org/uploads/1/3/0/6/130620412/130620412.html#chal+chaiya+chaiya+dj+remix+songIn PDF document text

Related samples 1

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_off000010db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DB 7676 bytes
SHA-256: f9fe86cd11dbbddc671c2e952362ba6a8883fa00b56a48f4f539c65ba8d31397

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