Malicious PDF — malware analysis report

Static analysis result for SHA-256 04e3be0ee701a85c…

MALICIOUS

PDF

12.0 KB Created: 2019-05-02 03:44:15 +01:00 Authoring application: mPDF 5.7
MD5: 96767ccf3ff010d930b3c5d57a80ad9e SHA-1: ebd10ad9fce37c8c8b24b7c2a2e6de0735156953 SHA-256: 04e3be0ee701a85c502e8b1f8c33da4ec769fc1139a8bac2b86b820bc24af63a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to potentially harmful content. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8737

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://xiixmcuin.linkpc.net/1200200203200209206/Megan-2-Megan-2-by-Mary-Hooper.pdf
    • http://xiixmcuin.linkpc.net/1200200203200209207/Megan-3-Megan-3-by-Mary-Hooper.pdf
    • http://xiixmcuin.linkpc.net/2200205203209203/Newes-from-the-Dead-by-Mary-Hooper.pdf
    • http://xiixmcuin.linkpc.net/2205203200205206/Always-You-by-Megan-Hart.pdf
    • http://xiixmcuin.linkpc.net/2206203202207205/Always-There-by-Megan-Derr.pdf
    • http://xiixmcuin.linkpc.net/5208201209209/Broken-by-Megan-Hart.pdf
    • http://xiixmcuin.linkpc.net/6205204206205200/Locke-amp-Key-by-Megan-Derr.pdf
    • http://xiixmcuin.linkpc.net/1206206201205209/The-Gathering-by-Megan-Kuykendall.pdf
    • http://xiixmcuin.linkpc.net/6204201207207200/Liavek-by-Megan-Lindholm.pdf
    • http://xiixmcuin.linkpc.net/9204200201200204/Runaways-by-Megan-Derr.pdf
    • http://xiixmcuin.linkpc.net/3201206209207204/Inamorata-by-Megan-Chance.pdf
    • http://xiixmcuin.linkpc.net/2205202208200202/Everyone-Is-Watching-by-Megan-Bradbury.pdf
    • http://xiixmcuin.linkpc.net/2208206200206200/Lilacs-by-Megan-Derr.pdf
    • http://xiixmcuin.linkpc.net/1202202203201209/-Now-You-See-Him-Now-You-Don-t-Two-of-a-Kind-21-by-Megan-Stine.pdf
    • http://xiixmcuin.linkpc.net/2200207201201207/Totally-God-s-by-Megan-Clinton.pdf
    • http://xiixmcuin.linkpc.net/1203200202206206/The-Spiritualist-by-Megan-Chance.pdf
    • http://xiixmcuin.linkpc.net/4200204207205206/Signs-by-Megan-Gregor.pdf
    • http://xiixmcuin.linkpc.net/6204208209206/The-Fever-by-Megan-Abbott.pdf
    • http://xiixmcuin.linkpc.net/2202204209200208/The-Portrait-by-Megan-Chance.pdf
    • http://xiixmcuin.linkpc.net/1200208208200201/Alora-by-Megan-Linski.pdf

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