Malicious PDF — malware analysis report

Static analysis result for SHA-256 f96dcd9ac667238c…

MALICIOUS

PDF

20.6 KB Created: 2020-02-14 23:02:51 +00:00 Authoring application: mPDF 5.7 First seen: 2021-06-13
MD5: 5076dea00386292b69064b4230b3f3e3 SHA-1: 73ee2d1d64018f09a2c5827eda048100fca39fed SHA-256: f96dcd9ac667238cf5b655137985eaf5d75253e394afac68fa8dd1a390a31979
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning model and contains a large number of embedded external links, suggesting a link farm or distribution mechanism. While no scripts were explicitly extracted, the PDF structure indicates embedded link annotations which could potentially lead to malicious content or phishing sites. The primary attack pattern observed is the use of a PDF as a lure, likely delivered via spearphishing, to direct users to external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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://lwoscmobook.myhome.cx/152485244524552405242/Howl-at-the-Moon-The-Others-12-by-Christine-Warren.pdf In PDF document text
    • http://lwoscmobook.myhome.cx/452405245524352435246/Something-to-Howl-About-Alphaville-0-5-by-Christine-Warren.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/152445248524352425249/Blood-Moon-Howl-2-by-Jody-Morse.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/252405249524552445249/Wolves-Howl-at-the-Moon-And-Other-Amazing-Facts-about-Creatures-of-the-Night-by-Cecilia-Fitzsimons.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/152475249524752455240/Drive-Me-Wild-The-Others-7-by-Christine-Warren.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/252455245524552425246/Midnight-Howl-Howl-and-Prowl-1-by-Kate-Steele.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/252445248524452475244/Faer-Fetched-Fixed-3-by-Christine-Warren.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/152465249524952425248/Not-Your-Ordinary-Faerie-Tale-The-Others-5-by-Christine-Warren.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/652405243524152475241/Howl-And-Growl-Wolf-And-Cat-Shifter-Paranormal-Romance-Howl-And-Growl-Series-Book-1-by-Cloe-Cullen.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/152445248524352415242/Howl-Howl-1-by-Jody-Morse.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/352415243524852455240/Bound-by-the-Moon-by-Christine-M-Butler.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/152425240524952455246/The-Man-The-Moon-And-The-Marriage-Vow-The-Jones-Gang-6-by-Christine-Rimmer.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/252495247524352455247/Howl-s-Moving-Castle-Howl-s-Moving-Castle-1-by-Diana-Wynne-Jones.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/85246524652425246/Howl-s-Moving-Castle-Howl-s-Moving-Castle-1-by-Diana-Wynne-Jones.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/752475249524052435249/In-a-Dark-Place-Ed-amp-Lorraine-Warren-4-by-Ed-Warren.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/352475247524952415243/The-Haunted-Ed-amp-Lorraine-Warren-3-by-Ed-Warren.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/452455246524652445248/Elizabeth-Warren-Understanding-the-Life-and-Teachings-of-Elizabeth-Warren-Lawyer-Social-Activist-Politician-and-Defender-of-the-American-Middle-Class-by-Dr-Ruth-Carr.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/752485241524852425243/Report-of-the-Warren-Commission-on-the-Assassination-of-President-Kennedy-by-Warren-Commission.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/952405241524652405247/Jauche-und-Levkojen-Nirgendwo-ist-Poenichen-Die-Quints-by-Christine-Bruckner-Hardcover-1990-by-Christine-Bruckner.pdfIn PDF document text
    • http://lwoscmobook.myhome.cx/152485249524652425242/Howl-My-Name-Grayslake-5-by-Celia-Kyle.pdfIn PDF document text

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