Malicious PDF — malware analysis report

Static analysis result for SHA-256 b918e0b04108a988…

MALICIOUS

PDF

16.0 KB Created: 2019-06-13 13:43:51 +01:00 Authoring application: mPDF 5.7 First seen: 2021-10-23
MD5: aababbffa8003b5a79fb1e5c914efeaa SHA-1: 165942bc62e2bc83d89c6d85916158ebf4c00ace SHA-256: b918e0b04108a988c359f0cd0b33a4accbdde3eeb79db6e75752b2b8ddc0934c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, forming a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates that these links are likely intended to direct users to external PDF files, potentially for SEO manipulation or to host malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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/2731731733735730/I-ll-Be-Your-Shelter-by-Giselle-Carmichael.pdf In PDF document text
    • http://cefasfese.4pu.com/2734739737736736/What-White-Boyz-Fight-For-by-Giselle-Carmichael.pdfIn PDF document text
    • http://cefasfese.4pu.com/8734735737734/Gimme-Love-Gimme-Hope-Gimme-Shelter-The-True-Inspiration-Behind-the-Movie-Gimme-Shelter-by-Kathy-DiFiore.pdfIn PDF document text
    • http://cefasfese.4pu.com/1733732735731738/Take-My-Picture-by-Giselle-Ellis.pdfIn PDF document text
    • http://cefasfese.4pu.com/1738733735737733/Moving-May-by-Giselle-Renarde.pdfIn PDF document text
    • http://cefasfese.4pu.com/6736737733739734/Prends-ma-photo-by-Giselle-Ellis.pdfIn PDF document text
    • http://cefasfese.4pu.com/4733734734735734/Enslaving-Anna-by-Giselle-Lorimer.pdfIn PDF document text
    • http://cefasfese.4pu.com/2739738733736736/Giselle-The-Brocade-2-by-Jackie-Ivie.pdfIn PDF document text
    • http://cefasfese.4pu.com/4732730739738/Rivers-Never-Fill-The-Sea-by-Giselle-V-Steele.pdfIn PDF document text
    • http://cefasfese.4pu.com/1730732736733736730/Holiday-Affairs-by-Giselle-Renarde.pdfIn PDF document text
    • http://cefasfese.4pu.com/8735735737734735/On-the-Edge-of-Daylight-A-Novel-of-the-Titanic-by-Giselle-Beaumont.pdfIn PDF document text
    • http://cefasfese.4pu.com/2731731739737734/On-the-Edge-of-Daylight-A-Novel-of-the-Titanic-by-Giselle-Beaumont.pdfIn PDF document text
    • http://cefasfese.4pu.com/1730739731733730730/Hammer-Sex-mit-schwarzen-Eingeborenen-by-Giselle-Gallmann.pdfIn PDF document text
    • http://cefasfese.4pu.com/2730736730736738/Giselle-s-Pleasure-An-Invitation-From-A-Fairy-1-by-Rose-Wynters.pdfIn PDF document text
    • http://cefasfese.4pu.com/7734735731734730/The-Little-Black-Book-of-Women-s-Erotica-by-Giselle-Bisou.pdfIn PDF document text
    • http://cefasfese.4pu.com/1738733735739737/Stepbrother-and-Company-Adam-and-Sheree-Book-2-by-Giselle-Renarde.pdfIn PDF document text
    • http://cefasfese.4pu.com/8732731733736/Girl-of-Myth-and-Legend-The-Chosen-Saga-1-by-Giselle-Simlett.pdfIn PDF document text
    • http://cefasfese.4pu.com/2737735732737739/A-Writer-s-Guide-To-The-Zodiac-How-The-Stars-Can-Help-You-Understand-Your-Characters-by-Giselle-Green.pdfIn PDF document text
    • http://cefasfese.4pu.com/3736738732739733/Interchangeable-by-Kim-Carmichael.pdfIn PDF document text
    • http://cefasfese.4pu.com/1737731730731731/Eternity-by-Kim-Carmichael.pdfIn PDF document text

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