Malicious PDF — malware analysis report

Static analysis result for SHA-256 6841af6a6169991e…

MALICIOUS

PDF

27.3 KB Created: 2019-04-30 05:19:29 +01:00 Authoring application: mPDF 5.7
MD5: 67d2434dc71747a99fcbffe5939c7762 SHA-1: 22d42efdd234c45360211e76ecf9d90dd7901a42 SHA-256: 6841af6a6169991e7b044f9fa91e841376ef392f2fc033416219a2c47e1588ee
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links, identified as a link farm, and a visual download button lure. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the structure and heuristics suggest the document is designed to trick users into navigating to external URLs, likely for malicious purposes such as malware distribution or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9695

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/6a09a02a00a06a06/Animators-of-Film-and-Television-Nineteen-Artists-Writers-Producers-and-Others-by-Wolfgram-Evans.pdf
    • http://muicuiu.dumb1.com/6a09a02a00a05a00/Animators-of-Film-and-Television-Nineteen-Artists-Writers-Producers-and-Others-by-Noell-K-Wolfgram-Evans.pdf
    • http://muicuiu.dumb1.com/6a09a02a00a09a00/We-Are-Not-All-Winners-by-Noell-K-Wolfgram-Evans.pdf
    • http://muicuiu.dumb1.com/7a06a09a07a08a01/The-Screenwriter-s-Sourcebook-A-Comprehensive-Marketing-Guide-for-Screen-and-Television-Writers-by-Michael-Haddad.pdf
    • http://muicuiu.dumb1.com/7a04a05a05a04a06/Inside-the-Room-Writing-Television-with-the-Pros-at-UCLA-Extension-Writers-Program-by-Linda-Venis.pdf
    • http://muicuiu.dumb1.com/1a06a04a08a02/Encyclopedia-Mysteriosa-A-Comprehensive-Guide-to-the-Art-of-Detection-in-Print-Film-Radio-and-Television-by-William-L-DeAndrea.pdf
    • http://muicuiu.dumb1.com/2a09a01a00a03a00/Superheroines-and-the-Epic-Journey-Mythic-Themes-in-Comics-Film-and-Television-by-Valerie-Estelle-Frankel.pdf
    • http://muicuiu.dumb1.com/1a01a01a08a05a01a00/Straight-Girls-and-Queer-Guys-The-Hetero-Media-Gaze-in-Film-and-Television-by-Christopher-Pullen.pdf
    • http://muicuiu.dumb1.com/1a01a00a02a05a04/Where-We-Are-What-We-See-The-Best-Young-Writers-and-Artists-in-America-by-David-Levithan.pdf
    • http://muicuiu.dumb1.com/1a01a05a01a02a08a04/All-I-Did-Was-Ask-Conversations-with-Writers-Actors-Musicians-and-Artists-by-Terry-Gross.pdf
    • http://muicuiu.dumb1.com/3a04a05a04a07/Life-Sentences-Writers-Artists-and-AIDS-by-Thomas-Avena.pdf
    • http://muicuiu.dumb1.com/7a07a05a06a09a04/Illustrated-Letters-Artists-and-Writers-Correspond-by-Roselyne-de-Ayala.pdf
    • http://muicuiu.dumb1.com/1a09a09a07a04a00/Weatherland-Writers-amp-Artists-Under-English-Skies-by-Alexandra-Harris.pdf
    • http://muicuiu.dumb1.com/4a02a07a00a01a01/Diamonds-Are-Forever-Artists-and-Writers-on-Baseball-by-Smithsonian-Institution.pdf
    • http://muicuiu.dumb1.com/3a07a00a02a04a03/Forty-One-False-Starts-Essays-on-Artists-and-Writers-by-Janet-Malcolm.pdf
    • http://muicuiu.dumb1.com/5a09a00a05a09/We-Are-Quiet-We-Are-Loud-The-Best-Young-Writers-and-Artists-In-America-by-David-Levithan.pdf
    • http://muicuiu.dumb1.com/9a00a00a09a07a01/Romanov-Riches-Russian-Writers-and-Artists-Under-the-Tsars-by-Solomon-Volkov.pdf
    • http://muicuiu.dumb1.com/7a09a06a05a06a07/Mr-Smith-Goes-to-Tokyo-Japanese-Cinema-Under-the-American-Occupation-1945-1952-Smithsonian-Studies-in-the-History-of-Film-and-Television-by-Kyoko-Hirano.pdf
    • http://muicuiu.dumb1.com/3a04a02a08a06/Women-of-the-Beat-Generation-The-Writers-Artists-and-Muses-at-the-Heart-of-a-Revolution-by-Brenda-Knight.pdf
    • http://muicuiu.dumb1.com/6a02a06a04a07a00/The-Moment-Wild-Poignant-Life-Changing-Stories-from-125-Writers-and-Artists-Famous-amp-Obscure-by-Larry-Smith.pdf

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