Malicious PDF — malware analysis report

Static analysis result for SHA-256 a91e326a8508de57…

MALICIOUS

PDF

16.2 KB Created: 2020-02-10 13:03:15 +00:00 Authoring application: mPDF 5.7
MD5: 2b68262f976518ca7c496ff4d51c0529 SHA-1: da2ac3f7408802b4bec16171a95392d37acd073f SHA-256: a91e326a8508de575110688231fa07c72031ea884a6c77327af763a86ea29aae
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links all point to the same dominant host, 'ieuicufioao.myhome.cx', and appear to be disguised as book titles. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves tricking the user into clicking these links, which likely leads to the download of further malicious content or redirects to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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://ieuicufioao.myhome.cx/2551557552551555/Baby-Don-t-Go-Southern-Roads-3-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/1557552553553556/Baby-Come-Home-Southern-Roads-2-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/4557550556550559/His-Baby-Bond-Sacred-Bond-1-by-Lee-Tobin-McClain.pdf
    • http://ieuicufioao.myhome.cx/8553559555551559/The-Big-Book-of-Organic-Baby-Food-Baby-Pur-es-Finger-Foods-and-Toddler-Meals-For-Every-Stage-by-Stephanie-Middleberg.pdf
    • http://ieuicufioao.myhome.cx/5550551553551551/Three-Wishes-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/2558558554556557/Too-Hot-To-Sleep-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/3556554559553553/Got-Your-Number-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/2553553553555554/Too-Hot-To-Sleep-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/3559550555559551/My-Favorite-Mistake-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/5550551556559558/Stop-the-Wedding-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/3555553554554550/Stop-the-Wedding-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/1554558552559553/2-Bodies-for-the-Price-of-1-Body-Movers-2-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/2557550557555550/6-Killer-Bodies-Body-Movers-6-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/4559558559555552/Baby-On-Board-by-Stephanie-Zia.pdf
    • http://ieuicufioao.myhome.cx/3554554557554557/Secret-Bond-Jamie-Bond-2-by-Gemma-Halliday.pdf
    • http://ieuicufioao.myhome.cx/4553554559558559/Southern-Spirits-Southern-Ghost-Hunter-Mysteries-1-by-Angie-Fox.pdf
    • http://ieuicufioao.myhome.cx/1554558553551553/Body-Movers-Body-Movers-1-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/3557556551556559/Two-Guys-Detective-Agency-Two-Guys-Detective-Agency-1-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/2556550551557/Area-X-The-Southern-Reach-Trilogy-Southern-Reach-1-3-by-Jeff-VanderMeer.pdf
    • http://ieuicufioao.myhome.cx/3550557558553553/The-Best-of-Southern-Living-Cookbook-Over-500-of-Our-All-Time-Favorite-Recipes-by-Southern-Living-Inc-.pdf
    • http://ieuicufioao.myhome.cx/3559550555559551/My-Favorite-Mistake-by-Stephanie-Bond

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