Malicious PDF — malware analysis report

Static analysis result for SHA-256 e301112a1147c1cb…

MALICIOUS

PDF

29.5 KB Authoring application: Serif PagePlus First seen: 2020-09-24
MD5: 8abca8f5c31c9d5774909a884c89c62c SHA-1: 6d8cc24613e2a057fcc635531c5d28bf135f2b21 SHA-256: e301112a1147c1cba8e892343e364b0a0caf7a6b497da560cc250446d71c173b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded external links, a technique commonly used for SEO spam or to redirect users to malicious sites. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded URLs are the primary indicators of compromise, suggesting a campaign to drive traffic to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • 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.
  • 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://portwingmarket.com/uploads/1/3/0/5/130588861/xenepuvak.pdf In PDF document text
    • http://mytfillin.com/uploads/1/3/0/6/130621475/famunivojude-fokugofirekax-litarilakom.pdfIn PDF document text
    • http://coltsound.com/uploads/1/3/0/2/130287878/3088836.pdfIn PDF document text
    • http://southeasternclubcl.com/uploads/1/3/0/7/130739173/4422925.pdfIn PDF document text
    • http://mercedesudaeta.com/uploads/1/3/0/5/130545360/7127487.pdfIn PDF document text
    • http://morabezacatering.com/uploads/1/3/0/5/130550679/2305222.pdfIn PDF document text
    • http://belliesandbundle.com/uploads/1/3/0/5/130588988/485942.pdfIn PDF document text
    • http://fosijo.opros-russia.online/uploads/2020/01/28/5854799.pdfIn PDF document text
    • http://progenic.co.nz/uploads/1/3/0/5/130589007/tubosutu-tefis-kevajona-gadisebepifi.pdfIn PDF document text
    • http://thescentedsheep.com/uploads/1/3/0/2/130272979/130272979.html#instagram+logo+picIn PDF document text

Related samples 3

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_off000011c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C0 8248 bytes
SHA-256: ddf0c236095375d1c23a4bace8a46ab8db59618f34bea33a07cac9deb2c84882

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