Malicious PDF — malware analysis report

Static analysis result for SHA-256 589c75a2de537677…

MALICIOUS

PDF

14.4 KB Created: 2019-05-07 09:23:38 +01:00 Authoring application: mPDF 5.7
MD5: 8ab3170f2882bd7ff0a64100cf17c9e3 SHA-1: 25fb93a300b0213b999e73ea353c27cb5226871c SHA-256: 589c75a2de5376779f657c7391411e80cd20cc1d4d5f523cb211e6bc8961841f
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 to external websites, identified by the PDF_SEO_LINK_FARM heuristic. While the URLs themselves appear benign, the sheer volume and structure suggest a malicious intent, possibly for SEO manipulation or to serve as a landing page for further malicious activity. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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://muicuiu.dumb1.com/1a09a04a07a06a08/Deviate-The-Light-Key-Trilogy-2-by-Tracy-Clark.pdf
    • http://muicuiu.dumb1.com/2a00a01a03a06a09/More-Light-by-Hilary-Anne-Clark.pdf
    • http://muicuiu.dumb1.com/9a04a04a08a03a00/The-Tracy-Beaker-Trilogy-by-Jacqueline-Wilson.pdf
    • http://muicuiu.dumb1.com/4a00a09a00a08a05/The-King-s-Witch-Frances-Gorges-Trilogy-1-by-Tracy-Borman.pdf
    • http://muicuiu.dumb1.com/1a01a00a04a09a06/In-the-Depths-DeSai-Trilogy-1-by-R-W-K-Clark.pdf
    • http://muicuiu.dumb1.com/2a06a02a04a09a02/Deviate-by-Sally-Slayer.pdf
    • http://muicuiu.dumb1.com/1a00a09a02a09a02/An-Old-Woman-s-Last-Prophecy-The-Forsaken-Elvish-Scrolls-Trilogy-1-by-J-A-Clark.pdf
    • http://muicuiu.dumb1.com/7a05a02a03a00a02/Deviate-The-Ravagers-3-by-Alex-Albrinck.pdf
    • http://muicuiu.dumb1.com/5a03a02a03a04a08/Deviate-The-Science-of-Seeing-Differently-by-Beau-Lotto.pdf
    • http://muicuiu.dumb1.com/8a08a02a06a06a01/Be-Light-The-Guardian-Trilogy-0-5-by-Liz-Schulte.pdf
    • http://muicuiu.dumb1.com/1a02a02a08a06/Key-of-Light-Key-Trilogy-1-by-Nora-Roberts.pdf
    • http://muicuiu.dumb1.com/1a09a08a05a04a08/No-Light-The-Dems-Trilogy-1-by-Devi-Mara.pdf
    • http://muicuiu.dumb1.com/2a00a01a07a03/The-Accidental-Mistress-Mistress-Trilogy-2-by-Tracy-Anne-Warren.pdf
    • http://muicuiu.dumb1.com/5a00a01a08a00/Fast-Trapped-Fast-Track-Trilogy-2-by-Tracy-Rozzlynn.pdf
    • http://muicuiu.dumb1.com/3a08a04a03a02a08/The-Wife-Trap-The-Trap-Trilogy-2-by-Tracy-Anne-Warren.pdf
    • http://muicuiu.dumb1.com/5a09a03a09a09/Fast-Tracked-Fast-Track-Trilogy-1-by-Tracy-Rozzlynn.pdf
    • http://muicuiu.dumb1.com/8a00a08a00a04/Perilous-Light-The-Afterglow-Trilogy-2-by-Alyssa-Rose-Ivy.pdf
    • http://muicuiu.dumb1.com/4a08a03a09a01/Light-Empty-Space-Trilogy-1-by-M-John-Harrison.pdf
    • http://muicuiu.dumb1.com/2a03a06a06a04a05/Shadow-and-Light-Berlin-Trilogy-2-by-Jonathan-Rabb.pdf
    • http://muicuiu.dumb1.com/8a01a02a00a08/Beckoning-Light-The-Afterglow-Trilogy-1-by-Alyssa-Rose-Ivy.pdf
    • http://muicuiu.dumb1.com/5a00a01a08a00/Fast-Tra

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