Malicious PDF — malware analysis report

Static analysis result for SHA-256 518df84f52bf9349…

MALICIOUS

PDF

16.8 KB Created: 2019-05-07 04:37:35 +01:00 Authoring application: mPDF 5.7
MD5: 380fb86df08a471ba7b4581b2e5caaf6 SHA-1: 3b5610747730ff8fc69dbe32b10681a9086b49f9 SHA-256: 518df84f52bf9349a3ee2d343c4e426bb2c5b4c2647f81355581f460385988f6
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDFs hosted on the domain 'loaminoo.linkpc.net'. This is indicative of a link farm or SEO spam campaign, which can be used to distribute malware or lead users to phishing sites. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/1091097098098091098/The-Crewel-Needlepoint-World-by-Barbara-and-Karl-Gullers.pdf
    • http://loaminoo.linkpc.net/1091097098098096099/The-Animal-Kingdom-Of-Erica-Wilson-21-Traceable-Crewel-amp-Amp-Needlepoint-Designs-by-Erica-Wilson.pdf
    • http://loaminoo.linkpc.net/1091097098098090093/Crewel-embroidery-made-easy-by-Barbara-McLennan.pdf
    • http://loaminoo.linkpc.net/1099098093099091/Altered-Crewel-World-2-by-Gennifer-Albin.pdf
    • http://loaminoo.linkpc.net/2096096096090099/The-Department-of-Alterations-Crewel-World-0-5-by-Gennifer-Albin.pdf
    • http://loaminoo.linkpc.net/1091097098097094095/Patterns-of-Murder-Crewel-World-Framed-in-Lace-A-Stitch-in-Time-by-Monica-Ferris.pdf
    • http://loaminoo.linkpc.net/9095093099098093/Atlantis-The-Antediluvian-World-by-Ignatius-L-Donnelly.pdf
    • http://loaminoo.linkpc.net/5097096091098095/Thread-and-Gone-Mainely-Needlepoint-3-by-Lea-Wait.pdf
    • http://loaminoo.linkpc.net/5097096092090091/Tightening-the-Threads-Mainely-Needlepoint-5-by-Lea-Wait.pdf
    • http://loaminoo.linkpc.net/1091098093095090096/Needlepoint-Designs-From-Oriental-Rugs-by-Grethe-Sorensen.pdf
    • http://loaminoo.linkpc.net/5099098095096/An-Altar-in-the-World-A-Geography-of-Faith-by-Barbara-Brown-Taylor.pdf
    • http://loaminoo.linkpc.net/1093099091099096/The-Proud-Tower-A-Portrait-of-the-World-Before-the-War-1890-1914-by-Barbara-W-Tuchman.pdf
    • http://loaminoo.linkpc.net/1090092090098095095/Skinny-Potatoes-Over-100-delicious-new-low-fat-recipes-for-the-world-s-most-versatile-vegetable-by-Barbara-Grunes.pdf
    • http://loaminoo.linkpc.net/1091097098098096093/A-Z-of-Crewel-Embroidery-by-Country-Bumpkin.pdf
    • http://loaminoo.linkpc.net/1091097098097095099/Fun-with-Crewel-Embroidery-by-Erica-Wilson.pdf
    • http://loaminoo.linkpc.net/1091097098097094098/Craft-Of-Crewel-Embroidery-by-Erica-Wilson.pdf
    • http://loaminoo.linkpc.net/1091097098097090098/English-Crewel-Designs-by-Frances-M-Bradbury.pdf
    • http://loaminoo.linkpc.net/1091097098097095098/Handbook-of-American-Crewel-Embroidery-by-Muriel-L-Baker.pdf
    • http://loaminoo.linkpc.net/1091097098098091090/The-complete-guide-to-embroidery-stitches-and-crewel-by-Jo-Bucher.pdf
    • http://loaminoo.linkpc.net/1091097098098090099/Crewel-embroidery-With-texture-and-thread-variations-by-Audrey-A-Francini.pdf
    • http://loaminoo.linkpc.net/5097096092090091/Tightening-the-Threads-Mainely-Need

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