Malicious PDF — malware analysis report

Static analysis result for SHA-256 3785e8ab97daf01d…

MALICIOUS

PDF

16.9 KB Created: 2020-03-20 12:04:15 +00:00 Authoring application: mPDF 5.7
MD5: 9d2248bf6194d8134a9358ac4a7ae68c SHA-1: 29541e50d195ddb3ccc71eec15a735ee8037f421 SHA-256: 3785e8ab97daf01d2f82b8915e55ea5f4db617aae96fb1a1e2ce7e34a741bf7f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a single suspicious domain, identified by the PDF_SEO_LINK_FARM heuristic. This suggests a link farm or redirection scheme designed to lead users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

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/2552554557550559/Christmas-in-Snowflake-Canyon-Hope-s-Crossing-6-by-RaeAnne-Thayne.pdf
    • http://ieuicufioao.myhome.cx/1551554552556/Redemption-Bay-Haven-Point-2-by-RaeAnne-Thayne.pdf
    • http://ieuicufioao.myhome.cx/1551559553556/High-Risk-Affair-by-RaeAnne-Thayne.pdf
    • http://ieuicufioao.myhome.cx/2552555550553550/Evergreen-Springs-Haven-Point-3-by-RaeAnne-Thayne.pdf
    • http://ieuicufioao.myhome.cx/3554552551554554/Dancing-In-The-Moonlight-Cowboys-of-Cold-Creek-2-by-RaeAnne-Thayne.pdf
    • http://ieuicufioao.myhome.cx/3554555556553551/A-Cold-Creek-Secret-Cowboys-of-Cold-Creek-7-by-RaeAnne-Thayne.pdf
    • http://ieuicufioao.myhome.cx/3554555556553552/A-Cold-Creek-Holiday-Cowboys-of-Cold-Creek-6-by-RaeAnne-Thayne.pdf
    • http://ieuicufioao.myhome.cx/1555559551550553/The-Christmas-Wish-The-Snowflake-Triplet-1-4-by-Alexandra-Lanc.pdf
    • http://ieuicufioao.myhome.cx/1552550552559550/The-Secret-Snowflake-A-Christmas-Story-by-Teresa-Easley.pdf
    • http://ieuicufioao.myhome.cx/8551557551557/Crossing-the-Threshold-of-Hope-by-John-Paul-II.pdf
    • http://ieuicufioao.myhome.cx/5550553553552550/A-Blue-and-Gray-Christmas-Christmas-Keeps-Love-and-Hope-Alive-During-War-by-Vickie-McDonough.pdf
    • http://ieuicufioao.myhome.cx/2557551557554554/The-Christmas-Light-Christmas-Hope-7-by-Donna-VanLiere.pdf
    • http://ieuicufioao.myhome.cx/2557550551552552/The-Christmas-Blessing-Christmas-Hope-2-by-Donna-VanLiere.pdf
    • http://ieuicufioao.myhome.cx/4554551551558551/Canyon-of-Dreams-The-Magic-and-the-Music-of-Laurel-Canyon-by-Harvey-Kubernik.pdf
    • http://ieuicufioao.myhome.cx/2555553555554553/Canyon-of-Dreams-The-Magic-and-the-Music-of-Laurel-Canyon-by-Harvey-Kubernik.pdf
    • http://ieuicufioao.myhome.cx/4554554553552557/Christmas-in-Torey-Hope-Torey-Hope-2-5-by-A-D-Ellis.pdf
    • http://ieuicufioao.myhome.cx/3557553557551550/Hope-at-Christmas-by-Nancy-Naigle.pdf
    • http://ieuicufioao.myhome.cx/4558555550551557/Christmas-with-Hope-Wounded-Heroes-Series-Prequel-by-Anne-Patrick.pdf
    • http://ieuicufioao.myhome.cx/5550553550559554/A-Hope-Springs-Christmas-Brides-of-Amish-Country-7-by-Patricia-Davids.pdf
    • http://ieuicufioao.myhome.cx/3555551551559552/Christmas-Stories-Heartwarming-Classics-of-Angels-a-Manger-and-the-Birth-of-Hope-by-Max-Lucado.pdf
    • http://ieuicufioao.myhome.cx/85515575

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