Malicious PDF — malware analysis report

Static analysis result for SHA-256 882af6c523cfb8f8…

MALICIOUS

PDF

19.2 KB Created: 2019-05-02 18:28:52 +01:00 Authoring application: mPDF 5.7
MD5: 2d400426c21734614566cfdaa4436d8b SHA-1: 99281ed234bef64ab2ebed8ebace279267a8ed5f SHA-256: 882af6c523cfb8f84e9915b4a6cc8ebc368f14888c49c5a71033286c5d09ff62
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or redirect users to potentially malicious sites. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/3093094097093098/Brock-and-the-Dragon-by-Robin-Klein.pdf
    • http://loaminoo.linkpc.net/1090096090095098/Hating-Alison-Ashley-by-Robin-Klein.pdf
    • http://loaminoo.linkpc.net/8092094095093/Hating-Alison-Ashley-by-Robin-Klein.pdf
    • http://loaminoo.linkpc.net/1090099090098092099/The-Sky-in-Silver-Lace-The-Melling-Sisters-3-by-Robin-Klein.pdf
    • http://loaminoo.linkpc.net/3090096093095091/Striking-Back-The-1972-Munich-Olympics-Massacre-and-Israel-s-Deadly-Response-by-Aaron-J-Klein.pdf
    • http://loaminoo.linkpc.net/9096094090095093/Back-Pain-Get-Your-Back-BACK---Your-Self-Help-Guide-on-How-to-Treat-Back-Pain-Naturally-and-Without-Drugs-Understanding-the-Anatomy-of-the-Back-Holistic-Pain-Holistic-Healing-Back-Pain-Book-1-by-Joschi-Schwarz.pdf
    • http://loaminoo.linkpc.net/2099096096094097/His-Southern-Temptation-The-Boys-are-Back-in-Town-2-by-Robin-Covington.pdf
    • http://loaminoo.linkpc.net/4093090092099092/Southern-Nights-amp-Secrets-The-Boys-are-Back-in-Town-4-by-Robin-Covington.pdf
    • http://loaminoo.linkpc.net/2095096098093/A-Night-of-Southern-Comfort-The-Boys-are-Back-in-Town-1-by-Robin-Covington.pdf
    • http://loaminoo.linkpc.net/1095099098096091/Company-Aytch-or-a-Side-Show-of-the-Big-Show-A-Memoir-of-the-Civil-War-by-Sam-R-Watkins.pdf
    • http://loaminoo.linkpc.net/6095093099097095/The-Klein-And-Reif-Hockey-Compendium-by-Jeff-Klein.pdf
    • http://loaminoo.linkpc.net/2094095096094093/Show-Me-the-Ashes-Show-Me-4-by-Carolyn-Mulford.pdf
    • http://loaminoo.linkpc.net/3094099093095096/Back-To-Back-Behind-Your-Back-2-by-Chelsea-M-Cameron.pdf
    • http://loaminoo.linkpc.net/1093097099095095/Show-Stopper-Show-Stopper-1-by-Hayley-Barker.pdf
    • http://loaminoo.linkpc.net/3092099096092097/Breaking-Back-How-I-Lost-Everything-and-Won-Back-My-Life-by-James-Blake.pdf
    • http://loaminoo.linkpc.net/4093096097092097/Breaking-Back-How-I-Lost-Everything-and-Won-Back-My-Life-by-James-Blake.pdf
    • http://loaminoo.linkpc.net/5099096096096094/Back-on-Track-Shifting-Back-to-Grace-by-Ru-Dela-Torre.pdf
    • http://loaminoo.linkpc.net/3097098096099092/The-Selected-Melanie-Klein-by-Melanie-Klein.pdf
    • http://loaminoo.linkpc.net/1090097092097097092/Robin-Wayeldt-Ein-schreckliches-Erbe-Robin-Wayeldt-Krimi-2-by-Robin-Wayeldt.pdf
    • http://loaminoo.linkpc.net/7096096091095097/We-Wanted-a-Farm-A-Back-to-the-Land-Adventure-from-1941-Back-to-the-Land-Adventures-Book-2-by-M-G-Kains.pdf

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