Malicious PDF — malware analysis report

Static analysis result for SHA-256 80033c10417d30c5…

MALICIOUS

PDF

18.5 KB Created: 2019-05-03 05:11:57 +01:00 Authoring application: mPDF 5.7
MD5: 3db53265beb5bc66b6338e88d09369e9 SHA-1: 8f7ac609174d120dcc35112fa1907b2591918d43 SHA-256: 80033c10417d30c58e7fadba2261549c4bb5f314e8ef32dc0868d030b499c40d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links, forming a link farm, which is a common tactic for SEO manipulation or distributing malicious content. The ML classifier also flagged this PDF as malicious. The primary attack pattern observed is the distribution of links to external PDF files, likely intended to lead users to malicious or unwanted content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9775

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://cefasfese.4pu.com/9730734734733739/Hegel-s-Philosophy-of-Mind-by-Georg-Wilhelm-Friedrich-Hegel.pdf
    • http://cefasfese.4pu.com/1730734737739732737/Mario-Merz-Domenico-Bianchi-by-Domenico-Bianchi.pdf
    • http://cefasfese.4pu.com/8739737739732738/The-Moderns-Wie-Sich-Das-20-Jahrhundert-in-Kunst-Und-Wissenschaft-Erfunden-Hat-by-Cathrin-Pichler.pdf
    • http://cefasfese.4pu.com/8731736731738739/Grandiose-Schemes-by-Domenico-Bommarito.pdf
    • http://cefasfese.4pu.com/1730735732735738731/Zartbitter-3-Im-Bann-der-dunkelsten-L-ste-by-Domenico-Titillato.pdf
    • http://cefasfese.4pu.com/8739732736732736/So-nah-und-doch-so-fern-Maya-und-Domenico-4-by-Susanne-Wittpennig.pdf
    • http://cefasfese.4pu.com/6739730731735/Trinity-Dark-Legacy-Cycle-1-by-Domenico-Italo-Composto-Hart.pdf
    • http://cefasfese.4pu.com/5731736730730739/Crisis-and-Continuity-The-Economy-of-Spanish-Lombardy-in-the-Seventeenth-Century-by-Domenico-Sella.pdf
    • http://cefasfese.4pu.com/5730739739734731/A-Little-Taste-of-Freedom-The-Black-Freedom-Struggle-in-Claiborne-County-Mississippi-by-Emilye-Crosby.pdf
    • http://cefasfese.4pu.com/3730737734730/Freedom-Freedom-In-The-Making-Of-Western-Culture-by-Orlando-Patterson.pdf
    • http://cefasfese.4pu.com/2732730739737730/Faith-Honor-amp-Freedom-Fighting-for-Freedom-2-by-Shannon-Callahan.pdf
    • http://cefasfese.4pu.com/3733732734737/Freedom-Is-Freedom-Ain-t-Jazz-and-the-Making-of-the-Sixties-by-Scott-Saul.pdf
    • http://cefasfese.4pu.com/1731737739731731734/Freedom-s-Call-Dive-Into-Freedom---Gently-Tread-the-Stepping-Stones-of-Your-Inner-World-and-Experience-Your-Dreams-Effortlessly-Unfolding-by-Themis-Thomas.pdf
    • http://cefasfese.4pu.com/9730734733730733/Hegel-by-Michael-J-Inwood.pdf
    • http://cefasfese.4pu.com/9730734734733736/A-Companion-to-Hegel-by-Stephen-Houlgate.pdf
    • http://cefasfese.4pu.com/9730734733730732/In-the-Spirit-of-Hegel-by-Robert-C-Solomon.pdf
    • http://cefasfese.4pu.com/9730734735730738/French-Hegel-by-Bruce-Baugh.pdf
    • http://cefasfese.4pu.com/7737733737733732/Hegel-or-Spinoza-by-Pierre-Macherey.pdf
    • http://cefasfese.4pu.com/9730734731739733/Introducing-Hegel-by-Lloyd-Spencer.pdf
    • http://cefasfese.4pu.com/1731737731736733738/Introducing-Hegel-by-Lloyd-Spencer.pdf

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