Malicious PDF — malware analysis report

Static analysis result for SHA-256 d81d262b197f87d3…

MALICIOUS

PDF

14.9 KB Created: 2019-05-06 16:33:41 +01:00 Authoring application: mPDF 5.7
MD5: 96c8bd9f6ff18f95f3c2dd6362eccca6 SHA-1: d123d4378563dedc12f33a2810719b60b2337a92 SHA-256: d81d262b197f87d3757b4f2467d57a6c0f8acb2b5e9e8d6224050eedf9e2621f
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various book titles hosted on loaminoo.linkpc.net. While the ML classifier flagged this as malicious, the specific intent beyond link farming or potential hosting of malicious content is not clear from the available data. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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
    • http://loaminoo.linkpc.net/4095099092090095/Blood-Omen-Book-I-The-Vampire-Wars-Blood-Omen-Saga-1-by-Katie-Ruth-Davies.pdf
    • http://loaminoo.linkpc.net/2091090090090095/The-Omen-by-David-Seltzer.pdf
    • http://loaminoo.linkpc.net/3094090097090096/Blood-Dance-Alien-Blood-Wars-1-by-Samantha-Cayto.pdf
    • http://loaminoo.linkpc.net/3095096098094097/Omen-Operation-Isolation-1-by-Taylor-Brooke.pdf
    • http://loaminoo.linkpc.net/1098096090092090/The-Last-Hope-Warriors-Omen-of-the-Stars-6-by-Erin-Hunter.pdf
    • http://loaminoo.linkpc.net/1095099096091091/Blood-Forever-Blood-Coven-Vampire-8-by-Mari-Mancusi.pdf
    • http://loaminoo.linkpc.net/4093095094098097/Wings-of-Omen-Thieves-World-6-by-Robert-Lynn-Asprin.pdf
    • http://loaminoo.linkpc.net/7098095091090096/The-Fourth-Apprentice-Warriors-Omen-of-the-Stars-1-by-Erin-Hunter.pdf
    • http://loaminoo.linkpc.net/1090099092094097091/Blood-Wars-Book-4-The-Talisman-Series-by-Brenda-Pandos.pdf
    • http://loaminoo.linkpc.net/6091096096091092/Blood-Bond-4-Blood-Bond-Saga-4-by-Helen-Hardt.pdf
    • http://loaminoo.linkpc.net/6091096095096096/Blood-Bond-3-Blood-Bond-Saga-3-by-Helen-Hardt.pdf
    • http://loaminoo.linkpc.net/4092099092094/The-Last-Vampire-and-Black-Blood-The-Last-Vampire-1-2-by-Christopher-Pike.pdf
    • http://loaminoo.linkpc.net/4096098097090093/Rambo-First-Blood-Part-II-Rambo-First-Blood-Series-Book-2-by-David-Morrell.pdf
    • http://loaminoo.linkpc.net/1096096092099096/Blood-Rush-Lost-Witch-2-by-Katie-Lee-O-39-Guinn.pdf
    • http://loaminoo.linkpc.net/9093091099093090/Most-Powerful-Blood-Book-One-of-the-Powerful-Blood-Series-by-M-G-Curley.pdf
    • http://loaminoo.linkpc.net/7092092098098094/Bound-By-Blood-A-Novel-of-The-Somad-rsath-The-Seven-Wars-2-by-E-H-Kindred.pdf
    • http://loaminoo.linkpc.net/1093094090095090/Blood-Trouble-God-Wars-2-by-Connie-Suttle.pdf
    • http://loaminoo.linkpc.net/4098092097091093/Blood-Dreamer-Obleignia-Chronicles-1-by-Madison-Ruth.pdf
    • http://loaminoo.linkpc.net/1096090094098090/Blood-River-Amtrak-Wars-4-by-Patrick-Tilley.pdf
    • http://loaminoo.linkpc.net/7090094098093097/Blood-Lines-Long-and-Short-Stories-by-Ruth-Rendell.pdf

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