Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b91c83299212b4a…

MALICIOUS

PDF

22.5 KB Created: 2019-05-07 07:42:47 +01:00 Authoring application: mPDF 5.7 First seen: 2020-09-24
MD5: befb75441bdec4d4aa9aa14072683bf0 SHA-1: 91e8607da8489623c66ec3f7821aa8426bf71e17 SHA-256: 3b91c83299212b4abe76578dc4d3894f4d3f4ea751c7ec43f6b5f2988b26ce1a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains multiple embedded URLs, one of which was flagged by heuristics as an external URI. The ML classifier also flagged the PDF as malicious. The primary URL identified is http://seasasac.lflinkup.com/3da0da5da4da3/Where-Did-the-Sun-Go-Myths-and-Legends-of-Solar-Eclipses-Around-the-World-Told-with-Poetry-and-Puppetry-by-Janet-Cameron-Hoult.pdf, which likely serves as a lure for downloading further content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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://seasasac.lflinkup.com/3da0da5da4da3/Where-Did-the-Sun-Go-Myths-and-Legends-of-Solar-Eclipses-Around-the-World-Told-with-Poetry-and-Puppetry-by-Janet-Cameron-Hoult.pdf In PDF document text
    • http://seasasac.lflinkup.com/1da0da7da7da9da8da3/South-American-Myths-amp-Legends-World-Book-Myths-amp-Legends-Series-by-Philip-Ardagh.pdfIn PDF document text
    • http://seasasac.lflinkup.com/1da0da7da7da9da4da2/Ancient-Egyptian-Myths-amp-Legends-World-Book-Myths-amp-Legends-Series-by-Philip-Ardagh.pdfIn PDF document text
    • http://seasasac.lflinkup.com/1da0da7da7da9da4da0/Norse-Myths-amp-Legends-World-Book-Myths-amp-Legends-Series-by-Philip-Ardagh.pdfIn PDF document text
    • http://seasasac.lflinkup.com/7da5da1da0da8da8/Theoretical-and-Observational-Problems-Related-to-Solar-Eclipses-by-Zadig-Mouradian.pdfIn PDF document text
    • http://seasasac.lflinkup.com/2da2da0da5da9da6/Cinnamon-Toast-and-the-End-of-the-World-by-Janet-E-Cameron.pdfIn PDF document text
    • http://seasasac.lflinkup.com/3da1da9da8da6da4/Myths-and-Legends-of-Japan-by-F-Hadland-Davis.pdfIn PDF document text
    • http://seasasac.lflinkup.com/3da8da9da2da2da6/Egyptian-Myths-and-Legends-by-Donald-A-Mackenzie.pdfIn PDF document text
    • http://seasasac.lflinkup.com/5da0da2da4da6da2/Myths-and-Legends-of-Ancient-Egypt-by-Joyce-A-Tyldesley.pdfIn PDF document text
    • http://seasasac.lflinkup.com/3da0da2da6da6da1/Mermaids-The-Myths-Legends-and-Lore-by-Skye-Alexander.pdfIn PDF document text
    • http://seasasac.lflinkup.com/3da1da3da7da8da8/The-Virago-Book-of-Erotic-Myths-and-Legends-by-Shahrukh-Husain.pdfIn PDF document text
    • http://seasasac.lflinkup.com/3da9da4da7da1da9/The-E-T-Chronicles-What-Myths-and-Legends-Tell-Us-about-Human-Origins-by-Rita-Louise.pdfIn PDF document text
    • http://seasasac.lflinkup.com/2da3da4da7da4da7/Christians-Are-Hate-Filled-Hypocrites-and-Other-Lies-You-ve-Been-Told-A-Sociologist-Shatters-Myths-from-the-Secular-and-Christian-Media-by-Bradley-R-E-Wright.pdfIn PDF document text
    • http://seasasac.lflinkup.com/1da0da3da5da0da0/Legends-Lies-Cherished-Myths-of-American-History-by-Richard-Shenkman.pdfIn PDF document text
    • http://seasasac.lflinkup.com/3da9da2da2da2da9/The-Egyptian-Myths-A-Guide-to-the-Ancient-Gods-and-Legends-by-Garry-J-Shaw.pdfIn PDF document text
    • http://seasasac.lflinkup.com/2da2da1da7da5da2/Grimm-Fairy-Tales-Myths-amp-Legends-Volume-5-by-Raven-Gregory.pdfIn PDF document text
    • http://seasasac.lflinkup.com/4da3da6da7da9da8/Word-Myths-Debunking-Linguistic-Urban-Legends-by-David-Wilton.pdfIn PDF document text
    • http://seasasac.lflinkup.com/3da2da1da3da1da8/Myths-amp-Legends-An-Illustrated-Guide-to-Their-Origins-and-Meanings-by-Philip-Wilkinson.pdfIn PDF document text
    • http://seasasac.lflinkup.com/6da3da3da2da4da8/Rock-n-Roll-Myths-The-True-Stories-Behind-the-Most-Infamous-Legends-by-Gary-Graff.pdfIn PDF document text
    • http://seasasac.lflinkup.com/1da0da3da5da0da8da3/Lemmings-Don-t-Leap-180-Myths-Misconceptions-and-Urban-Legends-Exploded-by-Edwin-Moore.pdfIn PDF document text

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