Malicious PDF — malware analysis report

Static analysis result for SHA-256 e30f52c9be2ec1a6…

MALICIOUS

PDF

42.8 KB Authoring application: Adobe PDF Library 9.0 First seen: 2020-09-24
MD5: 133729a32ce524227d79e6043ec9af92 SHA-1: 5d371b895bb4c54eb765199f1844704e3e5583ae SHA-256: e30f52c9be2ec1a6629356ae39d1c157d42ea399881eec483a197cb054bf3422
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of external links, many of which point to other PDF files hosted on various domains. This behavior is indicative of a link farm designed to distribute malicious content or engage in phishing. The ClamAV detection and ML classifier further support the malicious nature of this document. No scripts were extracted, and the document body text is heavily obfuscated.

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://down-the-block.com/uploads/1/3/0/4/130436450/7628208.pdf In PDF document text
    • http://lineaamericana.com/uploads/1/3/0/4/130483409/dakijupolo.pdfIn PDF document text
    • http://nostalgist.net/uploads/1/3/0/6/130621998/zaduxebunotepek_wozos.pdfIn PDF document text
    • http://meridiancycling.weebly.com/uploads/1/3/0/4/130476671/rilifegalitakalina.pdfIn PDF document text
    • http://massaworkswoodart.com/uploads/1/3/0/2/130272291/teneranuju.pdfIn PDF document text
    • http://nexts-lab.com/uploads/1/3/0/5/130589179/remexol.pdfIn PDF document text
    • http://nutricynn.com/uploads/1/3/0/3/130313035/751dc2e6.pdfIn PDF document text
    • http://elizabethebrault.com/uploads/1/3/0/5/130544725/xedamukifevuvifa.pdfIn PDF document text
    • http://remudojad.buyfiesta.ru/uploads/2020/01/28/levopadizizip-binuroganizima.pdfIn PDF document text
    • http://ncscja.org/uploads/1/3/0/4/130476652/130476652.html#set+value+formgroup+angular+7In PDF document text
🗂 Part of campaign: ablehorsewomanship.com 7 samples

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_off0000128c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x128C 9084 bytes
SHA-256: 4715c9d4179f0c3fe171c6f664622d423a67bd0d5d2cb0b1062b861018569da6

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