Malicious PDF — malware analysis report

Static analysis result for SHA-256 c16079024d09d49f…

MALICIOUS

PDF

17.0 KB Created: 2019-05-03 05:49:49 +01:00 Authoring application: mPDF 5.7
MD5: 213e29286d7664599bafcad1eb965799 SHA-1: 5e7cbfd2b4cd3db533c26fd29cfb4db30081e6c6 SHA-256: c16079024d09d49f49bbb0aeeb6d9b4694ee8faba944077e7f47ee30e019924c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which strongly suggests a link-farming or redirection attack. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious nature of the document. While no scripts were extracted, the sheer volume of links points to an attempt to drive traffic to potentially malicious sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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://loaminoo.linkpc.net/6098098097099095/Having-Tanner-Bravo-s-Baby-Bravo-Family-22-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/3096093096094093/His-Executive-Sweetheart-Bravo-Family-10-The-Sons-Of-Caitlin-Bravo-1-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098099093092/Valentine-s-Secret-Child-Bravo-Family-21-Bravo-Family-Ties-Miniseries-8-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098099090094/Scrooge-and-the-Single-Girl-Bravo-Family-12-The-Sons-of-Caitlin-Bravo-3-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098097099092/Marriage-Bravo-Style-Bravo-Family-31-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/1092090094097/Married-In-Haste-Bravo-Family-18-Bravo-Family-Ties-Miniseries-5-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098097098096/The-Bravo-Billionaire-Bravo-Family-8-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098099090096/The-Prince-s-Secret-Baby-Bravo-Royales-1-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/3092099097090097/The-M-D-She-Had-To-Marry-Bravo-Family-6-Conveniently-Yours-6-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/2090092096092094/Married-By-Accident-Bravo-Family-4-Conveniently-Yours-4-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/2090092096090098/Practically-Married-Bravo-Family-3-Conveniently-Yours-3-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098098099099/The-Prince-She-Had-to-Marry-Bravo-Royales-2-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/2098093092091097/Her-Highness-and-the-Bodyguard-Bravo-Royales-4-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/2091091098098090/For-The-Baby-s-Sake-Silhouette-Special-Edition-925-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/2092099090092093/Two-Two-One-Bravo-Baker-by-Abundantlyqueer.pdf
    • http://loaminoo.linkpc.net/4092091097099/Bravo-Two-Zero-by-Andy-McNab.pdf
    • http://loaminoo.linkpc.net/3091093095095090/Bravo-Boris-by-Carrie-Weston.pdf
    • http://loaminoo.linkpc.net/6098098099090093/Rio-Bravo-by-Robin-Paul-Wood.pdf
    • http://loaminoo.linkpc.net/6098098098092095/Bravo-Jubilee-by-Charlie-Owen.pdf
    • http://loaminoo.linkpc.net/6098098099090090/Bravo-for-Adventure-by-Alex-Toth.pdf
    • http://loaminoo.linkpc.net/6098098097098

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