Malicious PDF — malware analysis report

Static analysis result for SHA-256 f124b3d6821a7ec8…

MALICIOUS

PDF

17.3 KB Created: 2019-04-30 04:21:21 +01:00 Authoring application: mPDF 5.7
MD5: 160ceafc726817d098febb58fabdc88c SHA-1: 20237b654004ad4d0d6f1f4b82ba5a945dad0ce4 SHA-256: f124b3d6821a7ec8e3fadce9b193d81308a253b4f2250e64f1b21f7b7e20d539
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which suggests a link farm or SEO poisoning attack. The ML classifier also strongly indicated maliciousness. While the document body is unreadable, the presence of 24 external links, predominantly hosted on 'loaminoo.linkpc.net', points towards a campaign to drive traffic to potentially malicious or spam content, possibly as a lure or to improve search engine ranking for malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9931

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/4093090096095091/Vanish-by-Nicola-Marsh.pdf
    • http://loaminoo.linkpc.net/3092097099096099/Banish-by-Nicola-Marsh.pdf
    • http://loaminoo.linkpc.net/4090090099093094/What-the-Paparazzi-Didn-t-See-by-Nicola-Marsh.pdf
    • http://loaminoo.linkpc.net/1091091097095092097/Interview-with-the-Daredevil-by-Nicola-Marsh.pdf
    • http://loaminoo.linkpc.net/1092094098092092/Scion-of-the-Sun-Solar-Snatchers-1-by-Nicola-Marsh.pdf
    • http://loaminoo.linkpc.net/2098092094096097/Crossing-the-Line-World-Apart-1-by-Nicola-Marsh.pdf
    • http://loaminoo.linkpc.net/4091092097096095/Wanton-Heat-Feel-the-Heat-2-by-Nicola-Marsh.pdf
    • http://loaminoo.linkpc.net/3093090097096094/17-Essential-Qualities-of-a-Team-Player-Becoming-the-Kind-of-Person-Every-Team-Wants-by-John-C-Maxwell.pdf
    • http://loaminoo.linkpc.net/3090099093096091/Fight-By-The-Team-Team-Fear-2-by-Cindy-Skaggs.pdf
    • http://loaminoo.linkpc.net/4091094096092095/Team-Niklas-The-Saints-Team-3-by-Ally-Adams.pdf
    • http://loaminoo.linkpc.net/1090094099094092097/The-Team-Captain-s-Leadership-Manual-The-Complete-Guide-to-Developing-Team-Leaders-Whom-Coaches-Respect-and-Teammates-Trust-by-Jeff-Janssen.pdf
    • http://loaminoo.linkpc.net/4094091098097090/Fortunate-Son-The-Best-of-Dave-Marsh-by-Dave-Marsh.pdf
    • http://loaminoo.linkpc.net/6094098098097093/A-Hostile-Operations-Team-Boxed-Set-Volume-1-Hostile-Operations-Team-1-3-by-Lynn-Raye-Harris.pdf
    • http://loaminoo.linkpc.net/3097093095095099/Adventure-Time-Team-Jake-Team-Finn-Joke-Book-by-Adventure-Time.pdf
    • http://loaminoo.linkpc.net/4090095099092096/Exposure-by-Ava-Marsh.pdf
    • http://loaminoo.linkpc.net/2095099095091090/Raw-Material-by-J-J-Marsh.pdf
    • http://loaminoo.linkpc.net/2092099099096098/Letters-by-M-G-Marsh.pdf
    • http://loaminoo.linkpc.net/4095093094099/Outlaws-of-the-Marsh-Vol-1-4-by-Shi-Nai-39-an.pdf
    • http://loaminoo.linkpc.net/5097094096090092/Ultimo-viene-il-leader-Perch-alcuni-team-sono-coesi-e-altri-no-Perch-alcuni-team-sono-coesi-e-altri-no-by-Simon-Sinek.pdf
    • http://loaminoo.linkpc.net/7091090092093097/The-Rest-of-Me-by-Katie-Marsh.pdf
    • http://loaminoo.linkpc.net/3090099093096091/Fight-By-The-Team-Team-Fea

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