Malicious PDF — malware analysis report

Static analysis result for SHA-256 d262ea6c684b651c…

MALICIOUS

PDF

21.0 KB Created: 2019-04-30 17:40:34 +01:00 Authoring application: mPDF 5.7
MD5: 9e1a041d2a30a63aa9780ba9df9fa1e9 SHA-1: d80defa69109c6b84bc79588b2a1d52c45f9ea1c SHA-256: d262ea6c684b651cbfeba0e0836a0259888414a9ab5d99567dad02861859b33a
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier with high confidence. The primary heuristic indicates a 'PDF_SEO_LINK_FARM' with 26 numeric slug SEO PDF links, suggesting an attempt to manipulate search engine results or redirect users. While the specific URLs appear to link to benign book titles, the sheer volume and pattern of these links are indicative of a malicious SEO poisoning or link farm tactic. No scripts were extracted from this sample.

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://loaminoo.linkpc.net/9098092093096099/Reading-in-the-Brain-The-Science-and-Evolution-of-a-Human-Invention-by-Stanislas-Dehaene.pdf
    • http://loaminoo.linkpc.net/9094093096095/Icons-of-Evolution-Science-or-Myth-Why-Much-of-What-We-Teach-About-Evolution-Is-Wrong-by-Jonathan-Wells.pdf
    • http://loaminoo.linkpc.net/9095090098095/How-Culture-Makes-Us-Human-Primate-Social-Evolution-and-the-Formation-of-Human-Societies-by-Dwight-W-Read.pdf
    • http://loaminoo.linkpc.net/1091096098096092097/The-Defense-Science-Board-Task-Force-on-Human-Resources-Strategy-by-Defence-Science-Board.pdf
    • http://loaminoo.linkpc.net/4093095095098/The-Red-Queen-Sex-and-the-Evolution-of-Human-Nature-by-Matt-Ridley.pdf
    • http://loaminoo.linkpc.net/1091093093093098094/Handbook-of-Human-Molecular-Evolution-2-Volume-Set-by-David-Cooper.pdf
    • http://loaminoo.linkpc.net/3096091098095090/Creation-Darwin-His-Daughter-amp-Human-Evolution-by-Randal-Keynes.pdf
    • http://loaminoo.linkpc.net/9097096099091090/The-Dominant-Animal-Human-Evolution-and-the-Environment-by-Paul-R-Ehrlich.pdf
    • http://loaminoo.linkpc.net/8094097094096/Undeniable-Evolution-and-the-Science-of-Creation-by-Bill-Nye.pdf
    • http://loaminoo.linkpc.net/5095092090093/Undeniable-Evolution-and-the-Science-of-Creation-by-Bill-Nye.pdf
    • http://loaminoo.linkpc.net/1090094096096096/Relics-of-Eden-The-Powerful-Evidence-of-Evolution-in-Human-DNA-by-Daniel-J-Fairbanks.pdf
    • http://loaminoo.linkpc.net/5095095094095097/Kinship-to-Mastery-Biophilia-In-Human-Evolution-And-Development-by-Stephen-R-Kellert.pdf
    • http://loaminoo.linkpc.net/2092090095096/Dragons-of-Eden-Speculations-on-the-Evolution-of-Human-Intelligence-by-Carl-Sagan.pdf
    • http://loaminoo.linkpc.net/2093098093092098/Love-and-Sex-with-Robots-The-Evolution-of-Human-Robot-Relationships-by-David-N-L-Levy.pdf
    • http://loaminoo.linkpc.net/4094098095097098/The-Symbolic-Species-The-Co-evolution-of-Language-and-the-Human-Brain-by-Terrence-W-Deacon.pdf
    • http://loaminoo.linkpc.net/8091098090098095/Discoveries-Darwin-and-the-Science-of-Evolution-by-Patrick-Tort.pdf
    • http://loaminoo.linkpc.net/2092092098098094/Thank-God-for-Evolution-How-the-Marriage-of-Science-and-Religion-Will-Transform-Your-Life-and-Our-World-by-Michael-Dowd.pdf
    • http://loaminoo.linkpc.net/1093096098097092/Darwinism-Refuted-How-the-Theory-of-Evolution-Breaks-Down-in-the-Light-of-Modern-Science-by-Harun-Yahya.pdf
    • http://loaminoo.linkpc.net/7097091099/Who-We-Are-and-How-We-Got-Here-Ancient-DNA-and-the-New-Science-of-the-Human-Past-by-David-Reich.pdf
    • http://loaminoo.linkpc.net/4094097094092093/Being-Human-Life-Lessons-from-the-Frontiers-of-Science-by-Robert-M-Sapolsky.pdf
    • http://loaminoo.linkpc.net/9097096099091090/The-Dominant-Animal-Human-Evolution-and-the-Environment-by-Paul-

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