Malicious PDF — malware analysis report

Static analysis result for SHA-256 06b46ad33dab7b37…

MALICIOUS

PDF

17.1 KB Created: 2019-05-02 20:56:40 +01:00 Authoring application: mPDF 5.7
MD5: 6bc4f4374e9aaeb2ce7dd5339c786cef SHA-1: 55fb3f97a84a62abcc3a5359e298b1aee86e0ce2 SHA-256: 06b46ad33dab7b370aea6bfef574277a2f6b04e345ff5295627b12a8f7583554
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a 'PDF_SEO_LINK_FARM' heuristic. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic's classification suggest a malicious intent, possibly for SEO manipulation or to direct users to malicious content. No scripts were extracted, but the presence of embedded links implies an attempt to redirect user interaction.

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/5093093093097095/Trinity-Blood-Reborn-on-the-Mars-Volume-3-Empress-of-the-Night-by-Sunao-Yoshida.pdf
    • http://loaminoo.linkpc.net/1099096097097092/Trinity-Blood-Reborn-on-the-Mars-Volume-1-The-Star-of-Sorrow-by-Sunao-Yoshida.pdf
    • http://loaminoo.linkpc.net/1097098091090092/---Reborn-on-the-Mars-5-by-Sunao-Yoshida.pdf
    • http://loaminoo.linkpc.net/1097098090098096/---Reborn-on-the-Mars-6-by-Sunao-Yoshida.pdf
    • http://loaminoo.linkpc.net/5096093096091093/A-Princess-of-Mars-Gods-of-Mars-Warlord-of-Mars-Thuvia-Maid-of-Mars-Chessmen-of-Mars-Master-Mind-of-Mars-Fighting-Man-of-Mars-Barsoom-1-7-by-Edgar-Rice-Burroughs.pdf
    • http://loaminoo.linkpc.net/2094098096090/The-Empress-of-Mars-by-Kage-Baker.pdf
    • http://loaminoo.linkpc.net/6097096098094094/Mars-Planet-Marsmeteorit-Mars-Trojaner-Darischer-Kalender-Mars-to-Stay-Marskolonisation-Bemannter-Marsflug-Mars-500-Phobos-by-Quelle-Wikipedia.pdf
    • http://loaminoo.linkpc.net/4096094097094099/Empress-of-the-Night-by-Eva-Stachniak.pdf
    • http://loaminoo.linkpc.net/1091095091098099/Blood-Trinity-Belador-1-by-Sherrilyn-Kenyon.pdf
    • http://loaminoo.linkpc.net/5095095091099/Bloodshot-Reborn-Volume-1-Colorado-by-Jeff-Lemire.pdf
    • http://loaminoo.linkpc.net/1095099098093090/Red-Mars-Green-Mars-Mars-Trilogy-1-2-by-Kim-Stanley-Robinson.pdf
    • http://loaminoo.linkpc.net/2092096091093093/Reborn-Vol-08-The-Neighboring-Town-Boys-Arrives-Reborn-8-by-Akira-Amano.pdf
    • http://loaminoo.linkpc.net/4095093097096/Alone-at-Night-Mars-Bahr-4-by-K-J-Erickson.pdf
    • http://loaminoo.linkpc.net/6096093099090/Reborn-Vol-03-Faintly-Arrives-Reborn-3-by-Akira-Amano.pdf
    • http://loaminoo.linkpc.net/4090097095098093/Empress-of-the-Seven-Hills-The-Empress-of-Rome-3-by-Kate-Quinn.pdf
    • http://loaminoo.linkpc.net/8092097090091094/Permaculture-Volume-2-by-Ross-Mars.pdf
    • http://loaminoo.linkpc.net/5096093096097091/Mars-Volume-05-by-Fuyumi-Soryo.pdf
    • http://loaminoo.linkpc.net/8092097092091097/Permaculture-Volume-One-The-Best-of-PAWA-by-Ross-Mars.pdf
    • http://loaminoo.linkpc.net/1092092090091095/Night-After-Night-Brotherhood-of-Blood-5-by-Kathryn-Smith.pdf
    • http://loaminoo.linkpc.net/4097097091092092/Reborn-God-s-Game-Reborn-5-by-D-W-Jackson.pdf

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