Malicious PDF — malware analysis report

Static analysis result for SHA-256 da0bf1d5b5b2874e…

MALICIOUS

PDF

12.6 KB Created: 2019-05-03 12:50:15 +01:00 Authoring application: mPDF 5.7
MD5: df2c14b7f1bb6ba74afe016af72a18ea SHA-1: aa4074d2eafb281c1772abafdc5455ad90b845cb SHA-256: da0bf1d5b5b2874e1b6582a9082dcdf1ad8d34963016ad99ed95d87536d216ee
90 Risk Score

Malware Insights

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

The PDF contains a link farm with numerous embedded URLs, a technique often used to distribute malicious content or lead users to phishing sites. The ML classifier also flagged this PDF as malicious. No scripts were extracted, but the PDF structure itself indicates a malicious intent to redirect users to external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8780

Heuristics 2

  • 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://loaminoo.linkpc.net/1091094093096093092/Promises-Promises-Princess-Luanne-and-Wizard-Heatheria-by-Charles-A-Johnson.pdf
    • http://loaminoo.linkpc.net/5096098092090/The-Very-Best-of-Charles-de-Lint-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/1098098099091093/The-Painted-Boy-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/5099094095093/Spiritwalk-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/2094090091091095/Svaha-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/4098090095091/Moonheart-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/9092094091099/Yarrow-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/4093094094095098/Old-Man-Crow-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/1091095098098095/Greenmantle-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/3093095099090095/The-Wind-in-His-Heart-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/2093090095090092/Dingo-Newford-17-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/4099092095095098/Angel-of-Darkness-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/1098091097093098/Wolf-Moon-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/4092098097098096/Someplace-to-Be-Flying-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/4099090099097094/Jack-in-the-Green-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/2093093099096091/Under-My-Skin-Wildlings-1-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/2098090097094091/The-Dreaming-Place-Newford-14-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/2096091097093/The-Blue-Girl-Newford-15-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/4099090099097098/Make-a-Joyful-Noise-by-Charles-de-Lint.pdf
    • http://loaminoo.linkpc.net/5092094099099/Someplace-to-be-Flying-Newford-5-by-Charles-de-Lint.pdf

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