Malicious PDF — malware analysis report

Static analysis result for SHA-256 d850b98fbfbc96f8…

MALICIOUS

PDF

17.1 KB Created: 2019-05-07 04:46:57 +01:00 Authoring application: mPDF 5.7
MD5: 42519fed11713d89da3732af8db9f444 SHA-1: b7329d4b8000594883db7637bcbf1d3f6fb8c6b0 SHA-256: d850b98fbfbc96f8da4ff8d97ea6904dd9b78402d981266e3392aaf9215235f5
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs pointing to external PDF documents, all hosted on the same domain 'loaminoo.linkpc.net'. This technique is often used for SEO poisoning or to distribute malicious content indirectly. No scripts were extracted, and the document body contained mostly obfuscated data and URLs. The primary attack pattern observed is the mass linking to external content, likely as a lure.

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/1090099094092099091/The-Greystone-Girls-Greystone-1-by-Joy-Francis.pdf
    • http://loaminoo.linkpc.net/1090099094094096090/The-Heart-of-the-Greystone-by-MK-Brown.pdf
    • http://loaminoo.linkpc.net/1090099094094092091/GREYSTONE-by-Howard-A-Sherman.pdf
    • http://loaminoo.linkpc.net/1090099094092098095/Courage-Greystone-8-by-Taylor-Longford.pdf
    • http://loaminoo.linkpc.net/1090099094092098098/Casino-Greystone-by-Louisa-Bronte.pdf
    • http://loaminoo.linkpc.net/1090099094092093090/Truthsight-Outcast-Mage-1-by-Miriam-Greystone.pdf
    • http://loaminoo.linkpc.net/1090099094094091092/In-the-Fog-The-Final-Chronicle-of-Greystone-Bay-by-Charles-L-Grant.pdf
    • http://loaminoo.linkpc.net/1090099094094095098/Charlotte-Greystone-by-Peggy-Reid-Rhodes.pdf
    • http://loaminoo.linkpc.net/1090099094094095092/The-Greystone-Bundle-Books-1-4-by-Taylor-Longford.pdf
    • http://loaminoo.linkpc.net/1090099094094092090/Freedom-Trail-to-Greystone-by-Louisa-Bronte.pdf
    • http://loaminoo.linkpc.net/1090099094094092096/Greystone-s-Creative-Hands-Vol-1-by-Beverley-Hilton.pdf
    • http://loaminoo.linkpc.net/1090099094095092090/The-Ghost-of-Greystone-Grange-by-Arthur-William-Beckett.pdf
    • http://loaminoo.linkpc.net/1090099094094092094/The-Doctor-Mike-Greystone-Book-2-by-Michael-Sigurdsson.pdf
    • http://loaminoo.linkpc.net/1090099094094092095/The-Hunt-Mike-Greystone-Book-1-by-Michael-Sigurdsson.pdf
    • http://loaminoo.linkpc.net/9097090091096095/Sanft-ber-hrte-Narben-Unsterblich-geliebt-3-by-Lara-Greystone.pdf
    • http://loaminoo.linkpc.net/1090099094092098093/Grizzly-Bear-s-Bride-Greystone-Shifters-1-by-Viola-Rivard.pdf
    • http://loaminoo.linkpc.net/4097090099092097/The-Shadow-at-Greystone-Chase-An-Angela-Marchmont-Mystery-Book-10-by-Clara-Benson.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/6091097092098092/The-Francis-Chan-Collection-Crazy-Love-Forgotten-God-Erasing-Hell-and-Multiply-by-Francis-Chan.pdf
    • http://loaminoo.linkpc.net/6097093091091090/No-More-Mean-Girls-The-Secret-to-Raising-Strong-Confident-and-Compassionate-Girls-by-Katie-Hurley.pdf

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