Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a986c0bb3eedea5…

MALICIOUS

PDF

14.1 KB Created: 2019-04-30 02:41:29 +01:00 Authoring application: mPDF 5.7
MD5: 276584f3db585888ed27c5142c5af3e7 SHA-1: f135161d88c87b98ceb0f86f9ea818ac50d0175e SHA-256: 9a986c0bb3eedea5aa473e11756e3b366a3ce1f227275b2a0057d576747eb6de
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of embedded links, many of which point to numeric slugs on the 'loaminoo.linkpc.net' domain, indicating a potential link farm or SEO manipulation tactic. While the URLs themselves are currently classified as benign, the sheer volume and structure suggest a malicious intent to distribute or mask other malicious content. 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.linkpc.net/2096096092098090/Wrecked-Regan-Reilly-Mysteries-13-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/6090092099091093/Fleeced-Regan-Reilly-Mysteries-5-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/6090092099091096/Jinxed-Regan-Reilly-Mysteries-6-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2097093097095092/Cursed-Regan-Reilly-Mysteries-12-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2098096096097090/Iced-Regan-Reilly-Mysteries-3-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/1099090096090094/Deck-the-Halls-Regan-Reilly-Mysteries-4-5-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/6090092099091098/Gypped-Regan-Reilly-Mystery-15-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/6090093090094096/Regan-O-Reilly-PI-Comes-Home-Regan-O-Reilly-3-by-Margaret-Lake.pdf
    • http://loaminoo.linkpc.net/6098091099091095/The-Classic-Clark-Collection-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2096098099095/Mary-Higgins-Clark-Presents-Malice-Domestic-Malice-Domestic-2-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2096096094093093/Where-Are-You-Now-A-Novel-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2096091098096096/I-ll-Be-Seeing-You-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/5094098097/All-By-Myself-Alone-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2092095093099091/Remember-Me-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/9092094093/You-Don-t-Own-Me-Under-Suspicion-6-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/1095093098099092/A-Cry-In-The-Night-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/3099099095097/All-Around-the-Town-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2096095099097097/Stillwatch-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/3098094095092090/All-Through-the-Night-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2094090098094098/Pretend-You-Don-t-See-Her-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2096091098096096/I-ll-Be-Seeing-You-by-Mary-

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