Malicious PDF — malware analysis report

Static analysis result for SHA-256 af5c1c2ab57ec75a…

MALICIOUS

PDF

19.8 KB Created: 2019-04-30 08:59:05 +01:00 Authoring application: mPDF 5.7
MD5: d0bd9d027cecabacceeed9b13de35679 SHA-1: 7b509cb74bce0ef4cb290f767ba939e79439e9e3 SHA-256: af5c1c2ab57ec75ab77d49f3fba3ae816e3d49d5c95cd52f3ec417ce054004fa
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. The primary IOC is the domain 'loaminoo.linkpc.net' which hosts numerous linked PDFs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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/2092092094092/Touching-Poems-of-Love-Longing-and-Desire-by-Sari-Friedman.pdf
    • http://loaminoo.linkpc.net/1094097099094/Ordinary-Light-by-Tracy-K-Smith.pdf
    • http://loaminoo.linkpc.net/1097098099099098/Significant-Objects-100-Extraordinary-Stories-About-Ordinary-Things-by-Joshua-Glenn.pdf
    • http://loaminoo.linkpc.net/8098099097/Joyful-The-Surprising-Power-of-Ordinary-Things-to-Create-Extraordinary-Happiness-by-Ingrid-Fetell-Lee.pdf
    • http://loaminoo.linkpc.net/6094096093098093/Extraordinary-Uses-for-Ordinary-Things-2-317-Ingenious-Uses-for-Vinegar-Salt-Coffee-Grounds-String-Panty-Hose-Mayonnaise-Clothes-Pins-Aspirin-and-More-than-200-Other-Houlsehold-Items-by-Reader-39-s-Digest-Association.pdf
    • http://loaminoo.linkpc.net/3093092090099098/Kinky-Friedman-s-Guide-to-Texas-Etiquette-Or-How-to-Get-to-Heaven-or-Hell-Without-Going-Through-Dallas-Fort-Worth-by-Kinky-Friedman.pdf
    • http://loaminoo.linkpc.net/4093091096097099/The-Kinky-Friedman-Crime-Club-Kinky-Friedman-1-3-by-Kinky-Friedman.pdf
    • http://loaminoo.linkpc.net/2092090094096096/Apocalypse-Mom-Diary-of-an-Ordinary-Woman-in-a-Not-So-Ordinary-World-Apocalypse-Mom-Series-1-by-Elizabeth-L-Jones.pdf
    • http://loaminoo.linkpc.net/4093092090090090/A-Case-of-Lone-Star-Kinky-Friedman-2-by-Kinky-Friedman.pdf
    • http://loaminoo.linkpc.net/4093091097098094/The-Prisoner-of-Vandam-Street-Kinky-Friedman-17-by-Kinky-Friedman.pdf
    • http://loaminoo.linkpc.net/7095092095093094/The-Sari-by-Linda-Lynton.pdf
    • http://loaminoo.linkpc.net/1095091095097096/Sari-Caste-by-Catherine-Kirby.pdf
    • http://loaminoo.linkpc.net/7095092095091097/Sisters-of-the-Sari-by-Brenda-L-Baker.pdf
    • http://loaminoo.linkpc.net/7095092095093098/The-Jasmine-Sari-by-Philip-Tucker.pdf
    • http://loaminoo.linkpc.net/2096093098090093/Granny-s-Sari-by-Asha-Nehemiah.pdf
    • http://loaminoo.linkpc.net/4093091097097098/Spanking-Watson-Kinky-Friedman-12-by-Kinky-Friedman.pdf
    • http://loaminoo.linkpc.net/4093092090090091/Steppin-on-a-Rainbow-Kinky-Friedman-14-by-Kinky-Friedman.pdf
    • http://loaminoo.linkpc.net/7095092095099098/Black-and-Blue-Sari-by-Kamal-S-Dhillion.pdf
    • http://loaminoo.linkpc.net/7090090099097/My-Dadima-Wears-a-Sari-by-Kashmira-Sheth.pdf
    • http://loaminoo.linkpc.net/7095092096099099/Blood-Red-Sari-Kali-Rising-1-by-Ashok-K-Banker.pdf
    • http://loaminoo.linkpc.net/3093092090099098/Kinky-Friedman-s-Guide-to-Texas-Etiquette-Or-How-to-Get-to-Heaven-or-Hell-Without-Going-Through-Dallas-Fort-Worth-by-Kinky-Fri

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