Malicious PDF — malware analysis report

Static analysis result for SHA-256 8080d0b386c3308a…

MALICIOUS

PDF

21.1 KB Created: 2019-04-30 01:41:32 +01:00 Authoring application: mPDF 5.7
MD5: e0f0bdded8d7eac87bb0a4119e0b4fb1 SHA-1: 5975911c4378ed7f28dbbf1862f5ca0bce52dd84 SHA-256: 8080d0b386c3308ab4a7eee98c3466113312d70e2fc73fecd3f810de07150696
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. While most of these URLs point to benign-looking book titles, the sheer volume and the ML_NYX_PDF_MALICIOUS classification indicate a malicious intent. The embedded URLs are likely used to redirect users to malicious sites or to manipulate search engine results. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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/1a00a06a07a01a04a09/In-the-Land-of-Giants-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/1a00a09a06a03a01/Bloodmaiden-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/1a00a06a06a09a08a04/One-Starry-Knight-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/4a09a05a05a02a09/The-Crystal-Rings-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/1a00a02a09a01a02a07/The-Chronicles-of-the-Mira-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/1a08a07a09a02a06/Dark-Embrace-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/1a00a09a08a00a09a00/The-Adventures-of-William-the-Brownie-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/2a08a09a02a03a00/The-Prism-of-Ashlai-The-Gailean-Quartet-1-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/1a00a06a07a02a08a04/The-Hero-Chronicles-A-Complete-Collection-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/3a01a07a03a00a07/Lily-in-the-Snow-and-Other-Elemental-Tales-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/2a02a03a02a05a03/Silent-Hero-A-Tribute-to-The-Legend-of-Zelda-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/2a08a09a02a03a02/The-Secret-Sister-and-the-Silver-Knight-The-Hero-Chronicles-4-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/4a09a05a06a09a04/Golden-Healer-Dark-Enchantress-The-Stregoni-Sequence-1-by-Christine-E-Schulze.pdf
    • http://muicuiu.dumb1.com/6a01a06a00a00a01/Giants-in-the-Land-by-Diana-Appelbaum.pdf
    • http://muicuiu.dumb1.com/1a01a01a00a01a05a00/Friedrich-Gottlob-Schulze-G-vernitz-Gr-nder-Und-Erster-Direktor-Der-Landwirthschaftlichen-Akademien-Zu-Jena-Und-Eldena-Ein-Lebensbild-Gezeichnet-Und-ALS-Festgabe-Dargebracht-Zur-Enth-llungsfeier-Des-Schulze-Denkmals-in-Jena-by-Hermann-Johann-Friedrich-Schulze.pdf
    • http://muicuiu.dumb1.com/8a03a00a08a02a08/In-the-Land-of-Giants-My-Life-in-Basketball-by-Tyrone-Bogues.pdf
    • http://muicuiu.dumb1.com/1a01a00a09a03a01a07/Thor-amp-Loki-In-the-Land-of-Giants-A-Norse-Myth-by-Jeff-Limke.pdf
    • http://muicuiu.dumb1.com/7a02a00a03a03/The-Giants-Novels-Giants-1-3-by-James-P-Hogan.pdf
    • http://muicuiu.dumb1.com/1a00a01a07a07a04a00/Propagandisten-Der-Grosstadt-Die-Bedeutung-Von-Informationsstroemen-Zwischen-Stadt-Und-Land-Bei-Der-Ausloesung-Neuzeitlicher-Land-Stadt-Wanderungen-Illustriert-an-Beispielen-Aus-Dem-Hohenloher-Land-Baden-Wuerttemberg-Und-Den-Benachbarten-Zentren-Fr-by-Wolfgang-Kromer.pdf
    • http://muicuiu.dumb1.com/3a02a09a08a05a09/The-Vow-by-Dallas-Schulze.pdf
    • http://muicuiu.dumb1.com/2a08a09a02a03a02/The-Secret-Sister-and-the-Silver-Knight

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