Malicious PDF — malware analysis report

Static analysis result for SHA-256 ced8dab4e49d1eec…

MALICIOUS

PDF

19.0 KB Created: 2019-11-09 23:42:09 +00:00 Authoring application: mPDF 5.7
MD5: a0bd707a92bdcff3506ded9b5b8910c4 SHA-1: 9ca14a0a8281c36571fe9f68eacafab3e3b87bcb SHA-256: ced8dab4e49d1eecbecbe2cf13a8968a82f373a1058aaf3a58614602a3aea670
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the PDF structure and the sheer volume of links suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9775

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://cefasfese.4pu.com/4733736738733732/The-Obamas-The-Untold-Story-of-an-African-Family-by-Peter-Firstbrook.pdf
    • http://cefasfese.4pu.com/1736737738735/Pimping-Fictions-African-American-Crime-Literature-and-the-Untold-Story-of-Black-Pulp-Publishing-by-Justin-Gifford.pdf
    • http://cefasfese.4pu.com/3738735732730/Peter-The-Untold-True-Story-by-Christopher-Daniel-Mechling.pdf
    • http://cefasfese.4pu.com/2730731736731737/Basil-D-Oliveira-Cricket-and-Conspiracy-The-Untold-Story-by-Peter-Oborne.pdf
    • http://cefasfese.4pu.com/4737730730739730/Clinton-Cash-The-Untold-Story-of-How-and-Why-Foreign-Governments-and-Businesses-Helped-Make-Bill-and-Hillary-Rich-by-Peter-Schweizer.pdf
    • http://cefasfese.4pu.com/6731738736735736/The-Untold-Story-by-Rufin-Ondoua.pdf
    • http://cefasfese.4pu.com/8731732737733738/the-untold-story-of-qumran-by-John-C-Trever.pdf
    • http://cefasfese.4pu.com/4733737732734731/The-Tree-Where-Man-Was-Born-The-African-Experience-by-Peter-Matthiessen.pdf
    • http://cefasfese.4pu.com/1730739739733731739/A-Nazi-in-the-Family-The-hidden-story-of-an-SS-family-in-wartime-Germany-by-Derek-Niemann.pdf
    • http://cefasfese.4pu.com/1731737730738736/Mydin-The-Untold-Story-by-Siti-Hawa-Mohd.pdf
    • http://cefasfese.4pu.com/1730733733732737734/Beyond-the-Masque-The-Untold-Story-of-Erik-and-Christine-by-Kae-D-Jacobs.pdf
    • http://cefasfese.4pu.com/7738731732730735/Shrinks-The-Untold-Story-of-Psychiatry-by-Jeffrey-A-Lieberman.pdf
    • http://cefasfese.4pu.com/1738737730738731/Raven-The-Untold-Story-of-the-Rev-Jim-Jones-and-His-People-by-Tim-Reiterman.pdf
    • http://cefasfese.4pu.com/2733737738730/Marvel-Comics-The-Untold-Story-by-Sean-Howe.pdf
    • http://cefasfese.4pu.com/4732737730730735/The-Voice-Mel-Allen-s-Untold-Story-by-Curt-Smith.pdf
    • http://cefasfese.4pu.com/9731738736737/The-Agitator-s-Daughter-A-Memoir-of-Four-Generations-of-One-Extraordinary-African-American-Family-by-Sheryll-Cashin.pdf
    • http://cefasfese.4pu.com/9739738739735731/Deus-Kek-The-Kek-amp-the-Dead-by-Saint-Obamas-Momjeans.pdf
    • http://cefasfese.4pu.com/9731733738738730/Doris-Day-The-Untold-Story-of-the-Girl-Next-Door-by-David-Kaufman.pdf
    • http://cefasfese.4pu.com/1735732732739730/Sinners-and-the-Sea-The-Untold-Story-of-Noah-s-Wife-by-Rebecca-Kanner.pdf
    • http://cefasfese.4pu.com/5732730739738730/The-CIA-and-Congress-The-Untold-Story-from-Truman-to-Kennedy-by-David-M-Barrett.pdf
    • http://cefasfese.4pu.com/4733737732734731/The-Tree-Where-Man-Was

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