Malicious PDF — malware analysis report

Static analysis result for SHA-256 b3766f6819a8c761…

MALICIOUS

PDF

28.6 KB Created: 2020-04-26 20:59:15 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 95014b7a58a2a0647fb17449ad0328b5 SHA-1: 67a28f2eef837df09690a09d5d52e4c5e5eec0a3 SHA-256: b3766f6819a8c761be8d84b9765b5945f87f24a1f77d7f9ba03b6d691dc557ae
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 Malicious Link

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to numerous PDF files hosted on various domains, suggesting a link farm or a distribution mechanism for malicious content. The embedded URL also points to an external HTML resource. The document body is heavily obfuscated and does not provide clear textual lures.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://bricktherapist.com/uploads/1/3/0/5/130590763/130590763.html#base+form+definition+adjective
    • http://smokingts.com/uploads/1/3/0/9/130969297/4479122.pdf
    • http://indecaturart.com/uploads/1/3/0/6/130604313/8135091.pdf
    • http://visualtrad.com/uploads/1/3/0/6/130639412/jusaj.pdf
    • http://eskidesigns.biz/uploads/1/3/0/6/130603895/3078744.pdf
    • http://bellafaccia.org/uploads/1/3/0/5/130590219/b6622a67.pdf
    • http://ladyrealbasketball.com/uploads/1/3/1/4/131483447/wimozexatejojaraka.pdf
    • http://leedigitalfulfillment.com/uploads/1/3/1/4/131437766/zabav.pdf
    • http://captivatecareerwriting.com/uploads/1/3/0/2/130271232/3119203.pdf
    • http://petlifeprints.com/uploads/1/3/0/4/130476661/foxetuv.pdf
    • http://journeywithinyogawellness.com/uploads/1/3/0/6/130620808/gawoperas.pdf
    • http://jarkkomuhonen.fi/uploads/1/3/0/5/130551251/107f32959.pdf
    • http://juliadupuis.org/uploads/1/3/0/6/130620990/momafanaw-sidiv.pdf
    • http://christianlifebc.org/uploads/1/3/0/6/130620602/duruzuku.pdf
    • http://wwwfest.com/uploads/1/3/0/6/130621626/tafabopijuti.pdf

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