Malicious PDF — malware analysis report

Static analysis result for SHA-256 50779176a37947d9…

MALICIOUS

PDF

17.1 KB Created: 2019-05-02 17:43:09 +01:00 Authoring application: mPDF 5.7
MD5: 22d4466f1fb1d0b52d4333274e354716 SHA-1: d35014e761b5ade9777499e6fb6d7effc9469b39 SHA-256: 50779176a37947d9da9aa5f3ccfa946d8e049c9ac44491ccbe8c088c8b135981
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm. The ML classifier strongly indicated maliciousness. The primary attack pattern involves directing users to a large collection of external PDF files, likely as a form of SEO poisoning or to distribute further malicious content.

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/1091091093090094094/Calling-Me-Home-Gram-Parsons-and-the-Roots-of-Country-Rock-by-Bob-Kealing.pdf
    • http://loaminoo.linkpc.net/4094091098097095/Desperados-The-Roots-of-Country-Rock-by-John-Einarson.pdf
    • http://loaminoo.linkpc.net/9090098092093/Country-The-Twisted-Roots-Of-Rock-n-Roll-by-Nick-Tosches.pdf
    • http://loaminoo.linkpc.net/4092096096090092/Hickory-Wind-The-Life-and-Times-of-Gram-Parsons-by-Ben-Fong-Torres.pdf
    • http://loaminoo.linkpc.net/4094091090091092/Grievous-Angel-An-Intimate-Biography-of-Gram-Parsons-by-Jessica-Hundley.pdf
    • http://loaminoo.linkpc.net/5096093092099/Tupperware-Unsealed-Brownie-Wise-Earl-Tupper-and-the-Home-Party-Pioneers-by-Bob-Kealing.pdf
    • http://loaminoo.linkpc.net/3093096091096094/Get-Hitched-Hard-Rock-Roots-9-by-C-M-Stunich.pdf
    • http://loaminoo.linkpc.net/3093096091095098/Doll-Face-Hard-Rock-Roots-7-by-C-M-Stunich.pdf
    • http://loaminoo.linkpc.net/3095091095094099/Real-Ugly-Hard-Rock-Roots-1-by-C-M-Stunich.pdf
    • http://loaminoo.linkpc.net/2097090098098093/Born-Wrong-Hard-Rock-Roots-5-by-C-M-Stunich.pdf
    • http://loaminoo.linkpc.net/1096093094092094/Real-Ugly-Hard-Rock-Roots-1-by-C-M-Stunich.pdf
    • http://loaminoo.linkpc.net/1095091099097095/The-Calling-of-Ella-McFarland-Women-of-Rock-Creek-1-by-Linda-Brooks-Davis.pdf
    • http://loaminoo.linkpc.net/3097099097094/Calling-Me-Home-by-Julie-Kibler.pdf
    • http://loaminoo.linkpc.net/1098093099092095/Calling-Home-Destiny-s-Child-1-by-Zee-Monodee.pdf
    • http://loaminoo.linkpc.net/9094094091091091/Goldmine-Roots-of-Rock-Digest-by-Goldmine-Magazine.pdf
    • http://loaminoo.linkpc.net/6091099098090094/A-French-Country-Home-Style-and-Entertaining-by-Jocelyne-Sibuet.pdf
    • http://loaminoo.linkpc.net/2096091091090096/Take-Me-Home-Tonight-Rock-Star-Romance-3-by-Erika-Kelly.pdf
    • http://loaminoo.linkpc.net/6093098096092099/Kerouac-in-Florida-Where-the-Road-Ends-by-Bob-Kealing.pdf
    • http://loaminoo.linkpc.net/7092092099098099/Desert-Rock-A-Climber-s-Guide-to-the-Canyon-Country-of-the-American-Southwest-Desert-by-Eric-Bjornstad.pdf
    • http://loaminoo.linkpc.net/1091092092090097097/The-Country-Almanac-of-Home-Remedies-Time-Tested-amp-Almost-Forgotten-Wisdom-for-Treating-Hundreds-of-Common-Ailments-Aches-amp-Pains-Quickl-by-Chrystle-Fiedler.pdf
    • http://loaminoo.linkpc.net/1095091099097095/The-Calling-of-Ella-McFarland-

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