Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b91efa9d7139aa5…

MALICIOUS

PDF

16.5 KB Created: 2019-04-30 04:05:56 +01:00 Authoring application: mPDF 5.7
MD5: 696044ef1b1acde5475152576464b1e9 SHA-1: b56b341bb2d1c1eef6c1404127a4e4f636f95b1f SHA-256: 9b91efa9d7139aa5ac7c86e3ca6ef78825a2ac191b2a93cace5a479318f36a2e
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to external PDF files hosted on loaminoo.linkpc.net. While the reputation labels for these specific URLs are 'confirmed_benign', the sheer volume and structure suggest a link farm intended to distribute potentially malicious content or engage in SEO manipulation. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

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/1091098094097097090/Ruhe-in-Fetzen-Ein-Fall-f-r-Mrs-Murphy-Ein-Mrs--Murphy-Krimi-2-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/1091098094098097092/Die-Katze-l-sst-das-Mausen-nicht-Ein-Fall-f-r-Mrs-Murphy-Ein-Mrs--Murphy-Krimi-10-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/8097096094092094/Die-Katze-l-sst-das-Mausen-nicht-Maus-im-Aus-Ein-Fall-f-r-Mrs-Murphy-Catch-As-Cat-Can-Tail-Of-The-Tip-Off-Mrs-Murphy-10-11-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/3091098095090091/Wish-You-Were-Here-Mrs-Murphy-1-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/3092097095099094/The-Litter-of-the-Law-Mrs-Murphy-22-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/3091098091091098/Nine-Lives-to-Die-Mrs-Murphy-23-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/3091096096098097/Catch-as-Cat-Can-Mrs-Murphy-10-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/2093090099091090/Cat-of-the-Century-A-Mrs-Murphy-Mystery-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/8094090093094094/Tail-Gait-Mrs-Murphy-24-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/2094094093091092/In-Her-Day-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/3093097094094090/Rubyfruit-Jungle-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/2097095090095095/Starting-from-Scratch-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/2090090095095/Bingo-Runnymede-2-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/2093095097092090/Murder-Unleashed-Mags-Rogers-2-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/9094099090099091/Wie-du-mir-so-ich-dir-and-Jacke-wie-Hose-Zwei-Romane-in-einem-Band-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/4096096099091091/The-Tell-tale-Horse-quot-Sister-quot-Jane-6-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/4090095091098095/Outfoxed-quot-Sister-quot-Jane-1-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/5098094093093092/Pmp-Exam-Prep-Rita-s-Course-in-a-Book-for-Passing-the-Pmp-Exam-by-Rita-Mulcahy.pdf
    • http://loaminoo.linkpc.net/1091095098097096092/Murphy-und-das-Grauen-D-monenj-ger-Murphy-by-Earl-Warren.pdf
    • http://loaminoo.linkpc.net/1091095098096098098/Murphy-und-die-Templer-D-monenj-ger-Murphy-by-Ann-Murdoch.pdf
    • http://loaminoo.linkpc.net/3091098095090091/Wish-You-Were-Here-Mrs-Murphy-1-by-Rita-Mae

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