Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f13729fce508146…

MALICIOUS

PDF

14.3 KB Created: 2019-05-02 17:18:34 +01:00 Authoring application: mPDF 5.7
MD5: f90936ad3d0d4774f7ecc890c7c52ab6 SHA-1: 2f061ff8fa64b555b67f846505ab0f49250b8e13 SHA-256: 0f13729fce50814627f0fe746e380408cc0ff4b9099494209edf2f1a97d57a0c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, forming a link farm. The primary heuristic indicates this is a "PDF_SEO_LINK_FARM" designed to direct users to external content. While the document body is heavily obfuscated, the presence of numerous URLs suggests an attempt to drive traffic or potentially distribute further malicious content through these links. 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/1090092093097093091/Johnny-Appleseed-Man-amp-Myth-by-Robert-M-Price.pdf
    • http://loaminoo.linkpc.net/2095090098094097/Johnny-Appleseed-The-Man-the-Myth-the-American-Story-by-Howard-Means.pdf
    • http://loaminoo.linkpc.net/1090090098098094092/Who-Was-Johnny-Appleseed-by-Joan-Holub.pdf
    • http://loaminoo.linkpc.net/1090092093097091099/Johnny-Appleseed-by-Rosemary-Ben-t.pdf
    • http://loaminoo.linkpc.net/1090092093097092099/Johnny-Appleseed-by-Christin-Ditchfield.pdf
    • http://loaminoo.linkpc.net/1090092093098090094/Johnny-Appleseed-by-Gertrude-Norman.pdf
    • http://loaminoo.linkpc.net/1090092093095095095/Johnny-Appleseed-by-Jane-Kurtz.pdf
    • http://loaminoo.linkpc.net/1090092093097099095/Johnny-Appleseed-by-Bill-Balcziak.pdf
    • http://loaminoo.linkpc.net/1090092093097099090/Johnny-Appleseed-Goes-A-Planting-by-Patsy-Jensen.pdf
    • http://loaminoo.linkpc.net/4096099090092/Better-Known-As-Johnny-Appleseed-by-Mabel-Leigh-Hunt.pdf
    • http://loaminoo.linkpc.net/1090092093097092098/The-Legend-of-Johnny-Appleseed-by-Martin-Powell.pdf
    • http://loaminoo.linkpc.net/1090092093095095096/Johnny-Appleseed-The-Story-of-a-Legend-by-Will-Moses.pdf
    • http://loaminoo.linkpc.net/1090092093095095093/Johnny-Appleseed-by-Patricia-Brennan-Demuth.pdf
    • http://loaminoo.linkpc.net/1090092093097093090/The-True-Tale-of-Johnny-Appleseed-by-Margaret-Hodges.pdf
    • http://loaminoo.linkpc.net/3096092094095092/Walt-Disney-Presents-The-Story-of-Johnny-Appleseed-by-Ted-Parmalee.pdf
    • http://loaminoo.linkpc.net/7099091093094093/Myth-Conceptions-Myth-Adventures-Book-2-by-Robert-Lynn-Asprin.pdf
    • http://loaminoo.linkpc.net/2097093092097091/Myth-ion-Improbable-Myth-Adventures-11-by-Robert-Lynn-Asprin.pdf
    • http://loaminoo.linkpc.net/8092092095093/Appleseed-The-Scales-of-Prometheus-Appleseed-3-by-Masamune-Shirow.pdf
    • http://loaminoo.linkpc.net/1090092093098090095/Appleseed-Vol-1-and-2-Appleseed-by-Masamune-Shirow.pdf
    • http://loaminoo.linkpc.net/2099095095091096/MYTH-Interpretations-The-Worlds-of-Robert-Asprin-by-Robert-Lynn-Asprin.pdf

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