Malicious PDF — malware analysis report

Static analysis result for SHA-256 e28223644872cb19…

MALICIOUS

PDF

16.8 KB Created: 2019-05-02 03:28:47 +01:00 Authoring application: mPDF 5.7
MD5: b183a07594ca61287f341c8fc483ee5c SHA-1: 960e4e2c4ea097f7315c7978ab4822677cdbaebb SHA-256: e28223644872cb19a0926d269b654a53f2798d2dd5571f5d8c2c8c075cb43a1f
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, masquerading as book titles, which is indicative of a link farm or phishing lure. The ML classifier strongly flagged this PDF as malicious. The primary attack pattern involves directing users to download other PDF files from the domain loaminoo.linkpc.net, likely as a distribution mechanism for further malicious content.

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/4090093098094/Slam-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/2097093092094099/How-To-Be-Good-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/1091096095094092099/How-to-be-Good-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/4091093091091092/Not-A-Star-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/2096096090098097/How-to-Be-Good-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/7091096097094093/Everyone-s-Reading-Bastard-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/7090099094095/High-Fidelity-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/4096098094090096/Fever-Pitch-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/3092094095096/High-Fidelity-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/8091099094094096/Alta-fidelidade-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/3091094090096093/Not-a-Star-and-Otherwise-Pandemonium-Stories-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/3092095096096099/Not-a-Star-and-Otherwise-Pandemonium-Stories-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/1091090099096090093/Weniger-reden-und-fter-mal-in-die-Badewanne---Mein-Leben-als-Leser-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/2097091094099099/Books-Movies-Rhythm-Blues-Twenty-Years-of-Writing-About-Film-Music-and-Books-by-Nick-Hornby.pdf
    • http://loaminoo.linkpc.net/1096091090099093/Kyle-s-New-Stepbrother-II-Long-Hot-Summer-Nick-and-Kyle-Book-2-by-Brad-Vance.pdf
    • http://loaminoo.linkpc.net/1091096099098092097/Oxford-Advanced-Learner-s-Dictionary-by-A-S-Hornby.pdf
    • http://loaminoo.linkpc.net/7095097091094099/Toronto-and-the-Maple-Leafs-A-City-and-Its-Team-by-Lance-Hornby.pdf
    • http://loaminoo.linkpc.net/2098095094096099/The-Secret-Life-of-the-Love-Song-and-The-Flesh-Made-Word-Two-Lectures-by-Nick-Cave-by-Nick-Cave.pdf
    • http://loaminoo.linkpc.net/9097094098093096/Nick-and-Tesla-s-Special-Effects-Spectacular-A-Mystery-with-Animatronics-Alien-Makeup-Camera-Gear-and-Other-Movie-Magic-You-Can-Make-Yourself-Nick-and-Tesla-5-by-Bob-Pflugfelder.pdf
    • http://loaminoo.linkpc.net/5099096095092/A-Long-Long-Time-Ago-and-Essentially-True-by-Brigid-Pasulka.pdf
    • http://loaminoo.linkpc.net/2097091094099099/Books-Movies-Rh

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