Malicious PDF — malware analysis report

Static analysis result for SHA-256 e64a6213819d326a…

MALICIOUS

PDF

13.3 KB Created: 2019-05-07 09:34:09 +01:00 Authoring application: mPDF 5.7
MD5: 96e4549cbe62267cab917c50793e56e0 SHA-1: a72eff252b98488d481b29318799bce481d092d7 SHA-256: e64a6213819d326aa9d34ed2a50df695c854419a55046915de1dc385f6531dd4
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to a single domain, indicative of a link farm or SEO manipulation tactic. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the sheer volume of links and the heuristic firing suggest the primary intent is to drive traffic to potentially malicious or deceptive content hosted on loaminoo.linkpc.net.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9102

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/7090093099096/Whizz-The-Skulls-9-by-Sam-Crescent.pdf
    • http://loaminoo.linkpc.net/4095094099094090/The-Whizz-Pop-Chocolate-Shop-by-Kate-Saunders.pdf
    • http://loaminoo.linkpc.net/2094097098094/Throne-of-the-Crescent-Moon-The-Crescent-Moon-Kingdoms-1-by-Saladin-Ahmed.pdf
    • http://loaminoo.linkpc.net/4099093091095096/Throne-of-the-Crescent-Moon-The-Crescent-Moon-Kingdoms-1-by-Saladin-Ahmed.pdf
    • http://loaminoo.linkpc.net/5090096090090/Crescent-Moon-Vol-1-Crescent-Moon-1-by-Haruko-Iida.pdf
    • http://loaminoo.linkpc.net/1090093097092093091/Broken-Skulls-MC-Book-1-by-Jenny-Jax.pdf
    • http://loaminoo.linkpc.net/3097097094095090/The-Book-of-Skulls-by-Robert-Silverberg.pdf
    • http://loaminoo.linkpc.net/6090093095095091/Harvest-of-Skulls-by-Abdourahman-A-Waberi.pdf
    • http://loaminoo.linkpc.net/2096098093092093/The-Ace-of-Skulls-Tales-of-the-Ketty-Jay-4-by-Chris-Wooding.pdf
    • http://loaminoo.linkpc.net/1092092091099098/Hideous-Faces-Beautiful-Skulls-by-Mark-McLaughlin.pdf
    • http://loaminoo.linkpc.net/3092099099093099/Sammy-Keyes-and-the-Night-of-Skulls-by-Wendelin-Van-Draanen.pdf
    • http://loaminoo.linkpc.net/4096092090092090/The-Darcy-Boys-and-the-Case-of-the-Secret-Skulls-by-A-J-Ryan.pdf
    • http://loaminoo.linkpc.net/2098090099096093/Hideous-Faces-Beautiful-Skulls-by-Mark-McLaughlin.pdf
    • http://loaminoo.linkpc.net/4099091097093094/Scones-Skulls-amp-Scams-Lexy-Baker-8-by-Leighann-Dobbs.pdf
    • http://loaminoo.linkpc.net/1091090096096096099/Elongated-Skulls-Of-Peru-And-Bolivia-The-Path-Of-Viracocha-by-Brien-Foerster.pdf
    • http://loaminoo.linkpc.net/7092099095095090/Ugly-by-Sam-Crescent.pdf
    • http://loaminoo.linkpc.net/2099092090094094/The-Audition-by-Tara-Crescent.pdf
    • http://loaminoo.linkpc.net/4091094099096093/The-Audition-by-Tara-Crescent.pdf
    • http://loaminoo.linkpc.net/1097090093090094/His-Possession-The-Owners-1-by-Sam-Crescent.pdf
    • http://loaminoo.linkpc.net/4091094097094099/The-Watcher-by-Tara-Crescent.pdf

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