Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab3ee59201fd4c4c…

MALICIOUS

PDF

30.7 KB Created: 2020-04-08 06:39:04 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: aa36a3df194336067eeba1d9b419bd46 SHA-1: 1e04cf6724fcff78e1424e1dc85285df683b195d SHA-256: ab3ee59201fd4c4cb7f796f05302570c98f3920d258c34305e568b66d5544da9
92 Risk Score

Malware Insights

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

This PDF file was identified as malicious by an ML classifier with high confidence. It contains a large number of external links, characteristic of a PDF SEO link farm, designed to direct users to various websites. The document body contains garbled text and metadata, but the primary malicious activity appears to be the distribution of numerous external URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://williamolsencpa.com/uploads/1/3/0/3/130324126/130324126.html#todas+las+partes+internas+de+la+fuente+de+poder
    • http://seattlenorthshorehomes.com/uploads/1/3/1/3/131384481/zasemogemusa_jipoxeniko.pdf
    • http://one2twofourstayinsideformed.com/uploads/1/3/1/1/131163613/ba25001db432f.pdf
    • http://sacramento-expungement.com/uploads/1/3/0/5/130590356/4bca651.pdf
    • http://forgefactorycrossfit.com/uploads/1/3/0/4/130476266/vawere.pdf
    • http://deploywithease.com/uploads/1/3/0/5/130543462/3705b.pdf
    • http://ebusinessaffairs.com/uploads/1/3/0/2/130288532/4267090.pdf
    • http://essentialtouchoils.com/uploads/1/3/0/4/130483566/derifalegulozowepe.pdf
    • http://eagleeyeimaging.org/uploads/1/3/0/9/130969059/1942086.pdf
    • http://ultimatewaxspot.com/uploads/1/3/0/5/130550682/2634248.pdf
    • http://malindunfors.com/uploads/1/3/0/7/130739020/metizawote_dopuja_memosal_kafugiwesisizo.pdf
    • http://katsmodernizedhomedecor.com/uploads/1/3/0/3/130323612/d0be81aef77.pdf
    • http://lujanteam.com/uploads/1/3/0/3/130379610/8626932.pdf
    • http://1688loto.com/uploads/1/3/0/5/130539355/pedudita.pdf

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