Malicious PDF — malware analysis report

Static analysis result for SHA-256 80c55d25492c5f54…

MALICIOUS

PDF

16.0 KB Created: 2020-03-19 03:00:07 +00:00 Authoring application: mPDF 5.7
MD5: ffb0c2d42ea1ffa5f57064c60e5113ed SHA-1: baca9c16cee71879e000e0728732ea0a46dac884 SHA-256: 80c55d25492c5f5478360441cb7488fbc71ce51bab1c613ed083ed34bfb327b6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the 'PDF_SEO_LINK_FARM' heuristic, pointing to external URLs. These links are likely intended to redirect the user to malicious content or download further payloads. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, but the presence of numerous links suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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/4553558553559559/Threads-of-Suspicion-Evie-Blackwell-Cold-Case-2-by-Dee-Henderson.pdf
    • http://ieuicufioao.myhome.cx/2553553556557559/Traces-of-Guilt-Evie-Blackwell-Cold-Case-1-by-Dee-Henderson.pdf
    • http://ieuicufioao.myhome.cx/3557556555553559/Cold-Case-FBI---The-Salem-Witch-Cold-Case-FBI-Series-by-William-Dusty.pdf
    • http://ieuicufioao.myhome.cx/1552551558556550/A-Cold-Day-in-Hell-Cold-Case-Investigation-1-by-Lissa-Marie-Redmond.pdf
    • http://ieuicufioao.myhome.cx/2557550553553/Cold-Case-by-Robin-Burcell.pdf
    • http://ieuicufioao.myhome.cx/6558559556551555/When-the-Cold-Wind-Blows-by-Al-Case.pdf
    • http://ieuicufioao.myhome.cx/1558558554556557/Burning-Proof-Cold-Case-Justice-2-by-Janice-Cantore.pdf
    • http://ieuicufioao.myhome.cx/3556559558559556/Catching-Heat-Cold-Case-Justice-3-by-Janice-Cantore.pdf
    • http://ieuicufioao.myhome.cx/4553558555550558/Justice-Delayed-Memphis-Cold-Case-1-by-Patricia-Bradley.pdf
    • http://ieuicufioao.myhome.cx/3554556556551558/Threads-Threads-1-by-Erin-Latimer.pdf
    • http://ieuicufioao.myhome.cx/1559556557557553/Threads-Threads-1-by-Sophia-Bennett.pdf
    • http://ieuicufioao.myhome.cx/1553550551558558/Cold-Case-Vancouver-The-City-s-Most-Baffling-Unsolved-Murders-by-Eve-Lazarus.pdf
    • http://ieuicufioao.myhome.cx/2556557557554551/Stone-Cold-Case-A-Rock-Shop-Mystery-2-by-Catherine-Dilts.pdf
    • http://ieuicufioao.myhome.cx/3556551558551552/Cold-Case-Christianity-A-Homicide-Detective-Investigates-the-Claims-of-the-Gospels-by-J-Warner-Wallace.pdf
    • http://ieuicufioao.myhome.cx/2555552556558557/The-Restless-Sleep-Inside-New-York-City-s-Cold-Case-Squad-by-Stacy-Horn.pdf
    • http://ieuicufioao.myhome.cx/4558554557559558/The-Cold-Cold-Ground-Detective-Sean-Duffy-1-by-Adrian-McKinty.pdf
    • http://ieuicufioao.myhome.cx/3551555552559554/Cold-Hearted-Cold-Justice-6-by-Toni-Anderson.pdf
    • http://ieuicufioao.myhome.cx/4550551550559551/Cold-Light-Cold-Series-2-by-Narise-Konohara.pdf
    • http://ieuicufioao.myhome.cx/3552557553556552/Best-Served-Cold-Cold-Play-1-by-Eliza-Lloyd.pdf
    • http://ieuicufioao.myhome.cx/4551555558557552/Cold-Blooded-Cold-Justice-9-by-Toni-Anderson.pdf

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