Malicious PDF — malware analysis report

Static analysis result for SHA-256 b23f77bd14290291…

MALICIOUS

PDF

20.6 KB Created: 2019-05-01 17:27:38 +01:00 Authoring application: mPDF 5.7
MD5: a2960dce7ba2242af30a03a06d17cb69 SHA-1: 42dd10120792ea74e50a32f7d987652960c172bb SHA-256: b23f77bd1429029118c6448213eb58a57addd51bedff8f37ee12002e19784c09
90 Risk Score

Malware Insights

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

The PDF contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. The embedded URLs likely serve as lures or redirects to further malicious content, potentially for SEO poisoning or phishing.

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://kiteeearpdf.myhome.cx/3f219f211f212f218f212/Dark-Souls-Dark-Souls-1-by-Ketley-Allison.pdf
    • http://kiteeearpdf.myhome.cx/1f211f216f216f215f212f218/Dark-Souls-Divine-Darkness-1-by-J-N-Colon.pdf
    • http://kiteeearpdf.myhome.cx/2f213f219f216f211f211/Messenger-of-the-Dark-Prophet-The-Bowl-of-Souls-2-by-Trevor-H-Cooley.pdf
    • http://kiteeearpdf.myhome.cx/4f215f212f215f218f216/Beautiful-Souls-Saying-No-Breaking-Ranks-and-Heeding-the-Voice-of-Conscience-in-Dark-Times-by-Eyal-Press.pdf
    • http://kiteeearpdf.myhome.cx/1f218f211f219f213f210/Our-Souls-to-Keep-Our-Souls-to-Keep-1-by-Gary-A-Caruso.pdf
    • http://kiteeearpdf.myhome.cx/3f218f215f219f215/Tattered-Souls-II-Tattered-Souls-2-by-Frank-J-Hutton.pdf
    • http://kiteeearpdf.myhome.cx/3f210f210f215f211/Souls-Untethered-The-Souls-Untethered-Saga-1-by-K-J-McPike.pdf
    • http://kiteeearpdf.myhome.cx/2f218f214f218f217f212/Crashing-Souls-Crashing-Souls-1-by-Cynthia-A-Rodriguez.pdf
    • http://kiteeearpdf.myhome.cx/3f218f212f217f219f217/Caress-of-Pleasure-A-Dark-Pleasures-Novella-Dark-Pleasures-3-5-1001-Dark-Nights-17-by-Julie-Kenner.pdf
    • http://kiteeearpdf.myhome.cx/2f210f212f210f215f216/Bad-Boys-After-Dark-Dylan-Bad-Boys-After-Dark-2-Billionaires-After-Dark-6-Love-in-Bloom-48-by-Melissa-Foster.pdf
    • http://kiteeearpdf.myhome.cx/9f214f212f212f212/Acheron-Dark-Hunter-8-Entire-Dark-Hunterverse-15-Dark-Hunterverse-23-by-Sherrilyn-Kenyon.pdf
    • http://kiteeearpdf.myhome.cx/2f210f212f210f214f211/Wild-Boys-After-Dark-Jackson-Wild-Boys-After-Dark-3-Billionaires-After-Dark-3-Love-in-Bloom-45-by-Melissa-Foster.pdf
    • http://kiteeearpdf.myhome.cx/3f218f215f211f219f215/Wild-Boys-After-Dark-Logan-Wild-Boys-After-Dark-1-Billionaires-After-Dark-1-Love-in-Bloom-43-by-Melissa-Foster.pdf
    • http://kiteeearpdf.myhome.cx/3f213f212f218f210f219/Master-of-the-Dark-Side-Mountain-Masters-amp-Dark-Haven-4-by-Cherise-Sinclair.pdf
    • http://kiteeearpdf.myhome.cx/2f211f218f219f210f213/Dark-Tyrants-a-vampire-the-dark-ages-anthology-by-Kevin-A-Murphy.pdf
    • http://kiteeearpdf.myhome.cx/2f211f213f212f219f216/Dark-Nights-Dark-Dreams-Sisterhood-of-the-Sight-1-by-Savannah-Russe.pdf
    • http://kiteeearpdf.myhome.cx/4f215f219f212f218f217/Dark-Passion-Rising-Dark-Breed-Enforcers-1-by-Shannan-Albright.pdf
    • http://kiteeearpdf.myhome.cx/3f218f211f219f216f214/Tricked-Dark-Protectors-7-75-1001-Dark-Nights-48-by-Rebecca-Zanetti.pdf
    • http://kiteeearpdf.myhome.cx/5f214f214f210f219f218/Pitch-Dark-Dark-Days-of-Summer-Sampler-by-Aprilynne-Pike.pdf
    • http://kiteeearpdf.myhome.cx/2f219f211f215f217f212/Dark-Warrior-To-Tame-a-Wild-Hawk-Dark-Cloth-Book-1-by-Lenore-Wolfe.pdf