Malicious PDF — malware analysis report

Static analysis result for SHA-256 2dcfb4c3c227ee62…

MALICIOUS

PDF

14.9 KB Created: 2019-05-02 01:00:02 +01:00 Authoring application: mPDF 5.7
MD5: d927fa048406cd1d2587f5b996af510b SHA-1: 7a8dcaa1f87c11002677a7215e499229a9cc1120 SHA-256: 2dcfb4c3c227ee62bee530b099fb6de5b4487f1ea98954e0163ce3f893fb050e
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents, characteristic of a link farm. The ML classifier strongly indicated maliciousness. The embedded URLs are likely used to distribute further malicious content or to engage in SEO manipulation for malicious purposes. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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.link
    • http://loaminoo.linkpc.net/1091095095092096/Kid-Docs-by-Jenny-Lynne.pdf
    • http://loaminoo.linkpc.net/2094099093093095/Wild-Animal-School-by-Jenny-Lynne.pdf
    • http://loaminoo.linkpc.net/9090090097095/Tokyo-Ghoul-Collection-7-Book-Set-Tokyo-Ghoul-1-7-by-Sui-Ishida.pdf
    • http://loaminoo.linkpc.net/3096096096090094/Tokyo-Mew-Mew-Vol-4-Tokyo-Mew-Mew-4-by-Mia-Ikumi.pdf
    • http://loaminoo.linkpc.net/3096096096090097/Tokyo-Mew-Mew-Vol-7-Tokyo-Mew-Mew-7-by-Mia-Ikumi.pdf
    • http://loaminoo.linkpc.net/2090091090094096/Jenny-and-the-Cat-Club-A-Collection-of-Favorite-Stories-about-Jenny-Linsky-by-Esther-Averill.pdf
    • http://loaminoo.linkpc.net/3097093091090093/Pet-Shop-of-Horrors-Tokyo-Volume-1-Pet-Shop-of-Horrors-Tokyo-1-by-Matsuri-Akino.pdf
    • http://loaminoo.linkpc.net/8092092092098098/The-Lynne-Truss-Treasury-Columns-and-Three-Comic-Novels-by-Lynne-Truss.pdf
    • http://loaminoo.linkpc.net/4096095097094093/Tokyo-Ghoul-re-Vol-1-Tokyo-Ghoul-re-1-by-Sui-Ishida.pdf
    • http://loaminoo.linkpc.net/4096095099090095/Tokyo-Ghoul-re-Vol-2-Tokyo-Ghoul-re-2-by-Sui-Ishida.pdf
    • http://loaminoo.linkpc.net/4096094098094096/Tokyo-Ghoul-Vol-4-Tokyo-Ghoul-4-by-Sui-Ishida.pdf
    • http://loaminoo.linkpc.net/4096092097099098/Tokyo-Ghoul-Vol-1-Tokyo-Ghoul-1-by-Sui-Ishida.pdf
    • http://loaminoo.linkpc.net/4096095091094092/Tokyo-Ghoul-Vol-12-Tokyo-Ghoul-12-by-Sui-Ishida.pdf
    • http://loaminoo.linkpc.net/2099090090099098/Songs-of-Sorrow-and-Hope-The-Art-of-Jenny-Dolfen-by-Jenny-Dolfen.pdf
    • http://loaminoo.linkpc.net/3097095097090090/A-Job-for-Jenny-Archer-Jenny-Archer-1-by-Ellen-Conford.pdf
    • http://loaminoo.linkpc.net/4091099091098094/--LOST-GIRLS-1-Shingeki-no-Kyojin-Lost-Girls-1-Attack-on-Titan-Lost-Girls-Manga-1-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/2097096097092097/Tokyo-Babylon-Vol-1-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/1091093097093099091/Tokyo-Babylon-Vol-4-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/1097092096096091/Tokyo-Mew-Mew-Omnibus-1-by-Mia-Ikumi.pdf
    • http://loaminoo.linkpc.net/9096095095094095/Tokyo-Encounter-by-Wendy-Yanagihara.pdf

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