Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c98786cc6f4c9dc…

MALICIOUS

PDF

16.0 KB Created: 2020-03-18 21:46:34 +00:00 Authoring application: mPDF 5.7
MD5: 8b6c2bc4a2944414ee5933fe0ad582ab SHA-1: 75bba1cb779afea90e005340ccffc855f2c71466 SHA-256: 5c98786cc6f4c9dc056740d72ef579511b1535e6782822cfb1297c1dfd626f49
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, identified as a link farm. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the presence of numerous external links suggests an attempt to redirect users to malicious sites or distribute further payloads, potentially as part of a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9800

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://solosopos.myhome.cx/2854858852853857/A-New-Game-Next-Move-You-re-Dead-Trilogy-2-by-Linda-L-Barton.pdf
    • http://solosopos.myhome.cx/1857859853850851/Don-t-Say-A-Word-Don-t-Cry-2-by-Beverly-Barton.pdf
    • http://solosopos.myhome.cx/1851850856853856854/The-Wanderer-by-Beverly-Barton.pdf
    • http://solosopos.myhome.cx/1854852859851859/What-She-Doesn-t-Know-by-Beverly-Barton.pdf
    • http://solosopos.myhome.cx/1852859853853/This-Side-of-Heaven-The-Protectors-1-by-Beverly-Barton.pdf
    • http://solosopos.myhome.cx/1850855855857859853/Blackwood-s-Woman-The-Protectors-6-by-Beverly-Barton.pdf
    • http://solosopos.myhome.cx/3851859852853854/Killing-Her-Softly-Griffin-Powell-5-by-Beverly-Barton.pdf
    • http://solosopos.myhome.cx/9850858855858857/Dead-by-Nightfall-Griffin-Powell-13-by-Beverly-Barton.pdf
    • http://solosopos.myhome.cx/1854852858854856/As-Good-As-Dead-Griffin-Powell-4-by-Beverly-Barton.pdf
    • http://solosopos.myhome.cx/3859851853851855/Cold-Hearted-Griffin-Powell-9-by-Beverly-Barton.pdf
    • http://solosopos.myhome.cx/4858858857853855/His-Secret-Child-Silhouette-Desire-1203-3-Babies-For-3-Brothers-1-by-Beverly-Barton.pdf
    • http://solosopos.myhome.cx/2853850856856855/Dead-by-Midnight-Dead-by-Trilogy-1-Griffin-Powell-11-by-Beverly-Barton.pdf
    • http://solosopos.myhome.cx/5853850859856/The-Revelations-of-August-Barton-August-Barton-2-by-Jennifer-LeBlanc.pdf
    • http://solosopos.myhome.cx/1856852853855854/Narcissistic-Lovers-How-to-Cope-Recover-and-Move-On-How-to-Cope-Recover-and-Move-on-by-Cynthia-Zayn.pdf
    • http://solosopos.myhome.cx/7852851852854855/Move-by-Brina-Courtney.pdf
    • http://solosopos.myhome.cx/8850858858851852/Forced-Move-by-Mel-LeBrun.pdf
    • http://solosopos.myhome.cx/5852856858853856/Nobody-Move-by-Denis-Johnson.pdf
    • http://solosopos.myhome.cx/4851856856853851/Better-Move-On-Frog-by-Ron-Maris.pdf
    • http://solosopos.myhome.cx/1853858854856/Your-Move-J-P-by-Lois-Lowry.pdf
    • http://solosopos.myhome.cx/1851856857851859856/The-Louds-Move-In-by-Carolyn-Crimi.pdf

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