Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c488b5c2be9ab8d…

MALICIOUS

PDF

13.6 KB Created: 2019-05-01 18:44:40 +01:00 Authoring application: mPDF 5.7
MD5: fcedfea1c6017855e21390f04a850692 SHA-1: ddb885a67105badfd9a998192b2b5242466b0a36 SHA-256: 3c488b5c2be9ab8d4f441b79c70364af0d95953785682c656faf62da2b9cbf3e
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 poisoning attempt. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the sheer volume of links and the domain's suspicious nature suggest this PDF is designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9877

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.linkp
    • http://loaminoo.linkpc.net/4094098097097092/The-Fires-of-Vesuvius-Pompeii-Lost-and-Found-by-Mary-Beard.pdf
    • http://loaminoo.linkpc.net/2091091093099091/Found-Lost-amp-Found-2-by-Nadia-Simonenko.pdf
    • http://loaminoo.linkpc.net/1090094094094094095/Pompeii-Pluto-s-Maze-Pompeii-4-by-Robert-Colton.pdf
    • http://loaminoo.linkpc.net/2091091094097094/Lost-Lost-amp-Found-1-by-Nadia-Simonenko.pdf
    • http://loaminoo.linkpc.net/4095092095096094/When-I-Grow-Up-I-Want-to-be-Mary-Beard-by-Megan-Beech.pdf
    • http://loaminoo.linkpc.net/2095094096091094/SPQR-A-History-of-Ancient-Rome-by-Mary-Beard.pdf
    • http://loaminoo.linkpc.net/2096093094097090/SPQR-A-History-of-Ancient-Rome-by-Mary-Beard.pdf
    • http://loaminoo.linkpc.net/4098092091093093/Midnight-Fires-Mary-Wollstonecraft-1-by-Nancy-Means-Wright.pdf
    • http://loaminoo.linkpc.net/2091091096094094/What-She-Lost-And-Found-by-M-L-Garcia.pdf
    • http://loaminoo.linkpc.net/1093097090/The-Lost-and-the-Found-by-Cat-Clarke.pdf
    • http://loaminoo.linkpc.net/1097091097093092/Lost-and-Found-by-Breanna-Hayse.pdf
    • http://loaminoo.linkpc.net/3093093091091098/Lost-and-Found-by-Kelly-Jamieson.pdf
    • http://loaminoo.linkpc.net/3097094096/The-Lost-amp-Found-by-Katrina-Leno.pdf
    • http://loaminoo.linkpc.net/1090097099091097094/Lost-and-Found-by-Linnea-Alexis.pdf
    • http://loaminoo.linkpc.net/1097094094097096/Lost-amp-Found-by-Mila-Rossi.pdf
    • http://loaminoo.linkpc.net/3093094096097094/Found-in-Us-Lost-2-by-Layla-Hagen.pdf
    • http://loaminoo.linkpc.net/4094098094091092/Lost-And-Found-by-Eileen-Griffin.pdf
    • http://loaminoo.linkpc.net/2097093095097092/Lost-and-Found-by-Carolyn-Parkhurst.pdf
    • http://loaminoo.linkpc.net/2098095092098095/Loving-a-Lost-Lord-Lost-Lords-1-by-Mary-Jo-Putney.pdf
    • http://loaminoo.linkpc.net/2092099094/Forgetting-August-Lost-amp-Found-1-by-J-L-Berg.pdf

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