Malicious PDF — malware analysis report

Static analysis result for SHA-256 1bb5b893fe0ac35f…

MALICIOUS

PDF

26.4 KB Created: 2019-05-01 17:57:22 +01:00 Authoring application: mPDF 5.7
MD5: c2e8070e903f833121416fcbcb2f912e SHA-1: 3a050f6fa325f8777618fe9de62cff91a2d5fbfa SHA-256: 1bb5b893fe0ac35f25afe0b4fd1e24317033dca6d25e5ee64a875c821522d907
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to external PDF documents. The heuristic PDF_SEO_LINK_FARM indicates this is a link farm, likely intended to manipulate search engine results or redirect users to malicious content. While the specific intent of the linked PDFs is unclear, the sheer volume and the use of a dynamic DNS domain suggest a malicious distribution or phishing campaign. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

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://xiixmcuin.linkpc.net/5209200206207206/A-Portrait-of-the-Artist-as-a-Young-Man-1916-by-James-Joyce-A-Portrait-of-the-Artist-as-a-Young-Man-Is-a-Coming-of-Age-Tale-by-James-Joyce-First-Serialized-in-the-Egoist-Between-1914-1915-and-Published-in-Book-Form-in-1916-by-James-Joyce.pdf
    • http://xiixmcuin.linkpc.net/7207205204201203/Dubliners-1917-by-James-Joyce-Collection-of-15-Short-Stories-Include-A-Portrait-of-the-Artist-as-a-Young-Man-1916-Novel-By-James-Joyce-Represents-the-Transitional-Stage-Between-the-Realism-of-Joyce-s-by-James-Joyce.pdf
    • http://xiixmcuin.linkpc.net/9209208205206200/A-Portrait-of-Artist-as-a-Young-Man-by-James-Joyce.pdf
    • http://xiixmcuin.linkpc.net/1200205201202209/Dubliners-A-Portrait-of-the-Artist-As-a-Young-Man-Chamber-Music-by-James-Joyce.pdf
    • http://xiixmcuin.linkpc.net/1200204206202205205/A-Portrait-of-the-Artist-as-a-Young-Man-Text-Criticism-amp-Notes-by-James-Joyce.pdf
    • http://xiixmcuin.linkpc.net/7207201201207206/A-Portrait-of-the-Artist-as-a-Young-Man-illustrated-Deluxe-Edition-by-James-Joyce.pdf
    • http://xiixmcuin.linkpc.net/1200204201209208203/A-Portrait-of-the-Artist-as-a-Young-Man-illustrated-edition-3-FREE-EBOOKS-by-James-Joyce.pdf
    • http://xiixmcuin.linkpc.net/8205201200202205/A-Portrait-of-the-Artist-as-a-Young-Man---Unabridged-Version---Wine-Glasses---ANNOTATED-by-James-Joyce.pdf
    • http://xiixmcuin.linkpc.net/6200201201204209/A-Portrait-Of-The-Artist-As-A-Young-Man-FREE-Treasure-Island-By-Robert-Louis-Stevenson-JBS-Classics---100-Formatted-Illustrated-by-James-Joyce.pdf
    • http://xiixmcuin.linkpc.net/4204203204207200/Breakdowns-Portrait-of-the-Artist-as-a-Young-amp-by-Art-Spiegelman.pdf
    • http://xiixmcuin.linkpc.net/5204203203205204/Portrait-of-the-Artist-as-a-Young-Ape-A-Caprice-by-Michel-Butor.pdf
    • http://xiixmcuin.linkpc.net/5200207205201208/James-Joyce-Portrait-of-a-Dubliner-A-Graphic-Biography-by-Alfonso-Zapico.pdf
    • http://xiixmcuin.linkpc.net/9208205202209207/Dubliners-by-James-Joyce-Illustrated-Delphi-Parts-Edition-James-Joyce-by-James-Joyce.pdf
    • http://xiixmcuin.linkpc.net/6203206203201200/Ulysses-by-James-Joyce-With-a-foreword-by-Morris-L-Ernst-And-the-Decision-of-the-United-States-District-Court-Rendered-by-Judge-John-M-Woolsey-by-James-Joyce.pdf
    • http://xiixmcuin.linkpc.net/3203200200204203/Portrait-of-an-Artist-A-Biography-of-Georgia-O-Keeffe-by-Laurie-Lisle.pdf
    • http://xiixmcuin.linkpc.net/5201203201208203/Portrait-of-the-Artist-as-a-Viable-Alternative-to-Death-by-Ross-McCleary.pdf
    • http://xiixmcuin.linkpc.net/7207203203206201/Dubliners-the-definitive-text-restoring-Joyce-s-manuscript-style-and-later-corrections-by-James-Joyce.pdf
    • http://xiixmcuin.linkpc.net/1201203203205201206/Leonardo-da-Vinci-500-Years-On-A-Portrait-of-the-Artist-Scientist-and-Innovator-by-Matthew-Landrus.pdf
    • http://xiixmcuin.linkpc.net/8206209208202205/Joyce-Wieland-Artist-on-Fire-by-Jane-Lind.pdf
    • http://xiixmcuin.linkpc.net/3209203200208208/Letters-to-a-Young-Artist-by-Peter-Nesbett.pdf
    • http://xiixmcuin.linkpc.net/1200205201202209/Dubliners-A-Portrait-of-the-Artist-As-a-Young-Man-Chamber

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