Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1b64ce989d6a635…

MALICIOUS

PDF

28.4 KB Created: 2019-05-01 17:36:12 +01:00 Authoring application: mPDF 5.7
MD5: ad7270b6ec2bfe25313583f92d3b58f6 SHA-1: dfc5e888bc06d0663abd08b1e56055a36e434c6e SHA-256: a1b64ce989d6a635d9348046ca932a98a8e301d007e08409cca8fe1423a5d97f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of external links, forming a link farm, which is a common technique for SEO poisoning or distributing malicious content. The ML classifier also flagged this PDF as malicious. The embedded URLs point to a domain that appears to be used for hosting numerous PDF files, likely as part of a lure to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9892

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://kiteeearpdf.myhome.cx/2f215f215f217f215f210/Illustrated-Guide-to-Gardening-by-Reader-39-s-Digest-Association.pdf
    • http://kiteeearpdf.myhome.cx/9f212f219f217f212f219/Reader-s-Digest-Condensed-Books-1999---The-Sands-Of-Sakkara-The-Snow-Falcon-Tripwire-Donor-by-Reader-39-s-Digest-Association.pdf
    • http://kiteeearpdf.myhome.cx/6f219f218f214f213f214/Reader-s-Digest-Back-to-Basics-How-to-Learn-and-Enjoy-Traditional-American-Skills-by-Reader-39-s-Digest-Association.pdf
    • http://kiteeearpdf.myhome.cx/7f217f213f211f213f217/Reader-s-Digest-Condensed-Books---Volume-2-1982-by-Reader-39-s-Digest-Association.pdf
    • http://kiteeearpdf.myhome.cx/6f214f219f218f214f212/Reader-s-Digest-Condensed-Books-Vol-1-1988-by-Reader-39-s-Digest-Association.pdf
    • http://kiteeearpdf.myhome.cx/1f210f212f219f213f211f213/Humor-in-Uniform-by-Reader-39-s-Digest-Association.pdf
    • http://kiteeearpdf.myhome.cx/6f219f218f214f219f211/New-Complete-Do-It-Yourself-Manual-by-Reader-39-s-Digest-Association.pdf
    • http://kiteeearpdf.myhome.cx/1f211f218f211f214f217f214/Eat-to-Beat-High-Blood-Pressure-by-Reader-39-s-Digest-Association.pdf
    • http://kiteeearpdf.myhome.cx/6f219f218f214f219f214/The-Girl-Who-Chased-the-Moon-Rainwater-by-Reader-39-s-Digest-Association.pdf
    • http://kiteeearpdf.myhome.cx/4f214f210f218f217f219/Laughter-Really-Is-The-Best-Medicine-America-s-Funniest-Jokes-Stories-and-Cartoons-by-Reader-39-s-Digest-Association.pdf
    • http://kiteeearpdf.myhome.cx/5f219f213f210f213/Great-Mysteries-of-the-Past-Experts-Unravel-Fact-and-Fallacy-Behind-the-Headlines-of-History-by-Reader-39-s-Digest-Association.pdf
    • http://kiteeearpdf.myhome.cx/6f211f210f218f214f219/Vertical-Gardening-The-Beginner-s-Guide-To-Organic-amp-Sustainable-Produce-Production-Without-A-Backyard-vertical-gardening-urban-gardening-urban-homestead-Container-Gardening-Book-1-by-Olivia-Abby.pdf
    • http://kiteeearpdf.myhome.cx/6f211f210f219f212f213/Vertical-Gardening-The-Definitive-Guide-To-Vertical-Gardening-For-Beginners-by-Gloria-Fields.pdf
    • http://kiteeearpdf.myhome.cx/7f218f217f217f215f216/Reader-s-Digest-How-to-Write-and-Speak-Better-by-John-Ellison-Kahn.pdf
    • http://kiteeearpdf.myhome.cx/7f211f213f212f218f216/Digest-of-Me-Before-You-A-Novel-by-Jojo-Moyes-Includes-Review-by-A-Reader-39-s-Companion.pdf
    • http://kiteeearpdf.myhome.cx/8f212f217f211f210f215/Permaculture-Gardening-For-Beginners-The-Ultimate-Practical-Guide-To-Permaculture-Gardening-And-Permaculture-Design-by-Lilibeth-MacQuire.pdf
    • http://kiteeearpdf.myhome.cx/5f216f217f218f210f218/20-000-Leagues-Under-the-Sea-Reader-s-Digest-Best-Loved-Books-for-Young-Readers-by-Jules-Verne.pdf
    • http://kiteeearpdf.myhome.cx/6f219f218f218f211f213/The-Storied-Life-of-A-J-Fikry-A-Novel-by-Gabrielle-Zevin-Digest-amp-Review-by-Reader-39-s-Companions.pdf
    • http://kiteeearpdf.myhome.cx/5f216f218f213f216/Reader-s-Digest-The-Truth-About-History-How-New-Evidence-Is-Transforming-The-Story-Of-The-Past-by-Russell-R-Miller.pdf
    • http://kiteeearpdf.myhome.cx/1f210f215f219f210f210f216/Reader-s-Digest-Select-Editions-Volume-237-1998-3-The-Winner-Homeport-Then-Came-Heaven-Flight-of-Eagles-by-David-Baldacci.pdf
    • http://kiteeearpdf.myhome.cx/6f219f218f

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