Malicious PDF — malware analysis report

Static analysis result for SHA-256 962a252ce2f49b53…

MALICIOUS

PDF

19.2 KB Created: 2019-05-02 08:06:03 +01:00 Authoring application: mPDF 5.7 First seen: 2021-06-04
MD5: dab08cadb93c237483ba93f459e0afe4 SHA-1: ec6c98d2eec12e90015537521288179fc1ee98b2 SHA-256: 962a252ce2f49b53c67470a200ac0f83869198801561fb06d4060bbdc22dd680
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files. While the document body is heavily obfuscated, the presence of numerous external links suggests an attempt to direct users to download potentially malicious content. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/9a03a03a09a01a00/Power-of-Positive-Living-by-Norman-Vincent-Peale.pdf In PDF document text
    • http://muicuiu.dumb1.com/9a03a04a01a01a08/The-Positive-Way-To-Change-Your-Life-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a03a04a00a00a01/Discovering-the-Power-of-Positive-Thinking-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a03a03a09a05a03/Why-Some-Positive-Thinkers-Get-Powerful-Results-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/5a02a03a06a04a09/Positive-Imaging-The-Powerful-Way-to-Change-Your-Life-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a03a04a00a01a05/In-God-We-Trust-A-Positive-Faith-for-Troubled-Times-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/7a01a00a06a09a04/El-Poder-Del-Pensamiento-Tenaz-The-Power-of-Positive-Thinking-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a02a04a01a06a06/The-Power-of-Positive-Thinking-10-Traits-for-Maximum-Results-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a03a03a09a00a07/Norman-Vincent-Peale-The-Inspirational-Writings-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a03a04a00a06a09/The-Art-of-Living-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a03a04a00a07a04/My-Favorite-Quotations-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a07a03a00a02a06/A-Guide-to-Confident-Living-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a03a04a01a01a02/Life-Beyond-Death-Why-I-Believe-in-Heaven-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/7a08a04a04a07a00/Enthusiasm-Makes-the-Difference-by-Norman-Vincent-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a03a03a09a06a05/The-American-Myth-of-Success-From-Horatio-Alger-to-Norman-Vincent-Peale-by-Richard-Weiss.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a03a03a09a05a05/The-Power-of-Ethical-Management-by-Norman-V-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a00a03a08a06a08a06/Be-Positive-Think-Positive-Feel-Positive-Surviving-Junior-High-by-Orly-Katz.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a00a03a08a06a01a08/Be-Positive-Think-Positive-Feel-Positive-Surviving-Primary-School-by-Orly-Katz.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a03a04a01a01a00/The-Selected-Papers-of-Charles-Willson-Peale-and-His-Family-Volume-5-The-Autobiography-of-Charles-Willson-Peale-by-Charles-Willson-Peale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a09a03a03a06a03/Positive-Thinking-The-Secret-To-Positive-Thinking---Create-Your-Own-Abundant-Happy-And-Wealthy-Life-by-Sarah-Riedel.pdfIn PDF document text

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