Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6a9d3df1bab6774…

MALICIOUS

PDF

25.9 KB Created: 2019-05-14 15:29:39 +01:00 Authoring application: mPDF 5.7
MD5: 0e55d2d8ef067c3e7151748f6f37a0fe SHA-1: 928e4e6e86c63cd89e6044919bcc3916ea157bd8 SHA-256: a6a9d3df1bab6774d35d763a90303153cf8f4cf2a709c3cafdf292e3d15e7cf4
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, identified as a link farm. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are part of this link farm. The primary attack pattern appears to be directing users to a large collection of external PDFs, likely for SEO manipulation or to host malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

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/1096092099097090/Poetry-of-the-Revolution-Marx-Manifestos-and-the-Avant-Gardes-by-Martin-Puchner.pdf
    • http://loaminoo.linkpc.net/1096099091091097/The-Experimental-Group-Ilya-Kabakov-Moscow-Conceptualism-Soviet-Avant-Gardes-by-Matthew-Jesse-Jackson.pdf
    • http://loaminoo.linkpc.net/7098099092098096/Le-Raspail-Vert-L-American-Center-a-Paris-1934-1994-Une-Histoire-Des-Avant-Gardes-Franco-Americaines-by-Nelcya-Delanoe.pdf
    • http://loaminoo.linkpc.net/1091097094099095097/Die-Synthese-von-materialistischer-Geschichtsphilosophie-und-konomischer-Theorie-in-Marx-Fr-hschriften-Das-Elend-der-Philosophie-und-Brief-an-Annenkow-Das-Fr-hwerk-von-Karl-Marx-by-Martin-Gliemann.pdf
    • http://loaminoo.linkpc.net/1091094096091093097/Avant-Rock-Experimental-Music-from-the-Beatles-to-Bjork-by-Bill-Martin.pdf
    • http://loaminoo.linkpc.net/1095094097097099/Marx-s-Religion-of-Revolution-Regeneration-Through-Chaos-by-Gary-North.pdf
    • http://loaminoo.linkpc.net/1094098094095/Love-and-Capital-Karl-and-Jenny-Marx-and-the-Birth-of-a-Revolution-by-Mary-Gabriel.pdf
    • http://loaminoo.linkpc.net/5094099093092096/Guy-Debord-Revolution-in-the-Service-of-Poetry-by-Vincent-Kaufmann.pdf
    • http://loaminoo.linkpc.net/4093092092096099/Everything-to-Nothing-The-Poetry-of-the-Great-War-Revolution-and-the-Transformation-of-Europe-by-Geert-Buelens.pdf
    • http://loaminoo.linkpc.net/4093091095097/The-Marx-Engels-Reader-by-Karl-Marx.pdf
    • http://loaminoo.linkpc.net/2097095097095098/Seven-Dada-Manifestos-and-Lampisteries-by-Tristan-Tzara.pdf
    • http://loaminoo.linkpc.net/5092090096094097/Bursting-the-Limits-of-Time-The-Reconstruction-of-Geohistory-in-the-Age-of-Revolution-by-Martin-J-S-Rudwick.pdf
    • http://loaminoo.linkpc.net/1091091097094093097/The-Conspiracy-of-Art-Manifestos-Interviews-Essays-by-Jean-Baudrillard.pdf
    • http://loaminoo.linkpc.net/5092092092095098/The-Geographic-Revolution-in-Early-America-Maps-Literacy-and-National-Identity-by-Martin-Br-ckner.pdf
    • http://loaminoo.linkpc.net/1091098099095096095/Jenseits-der-Illusionen-Die-Bedeutung-von-Marx-und-Freud-Beyond-the-Chains-of-Illusion-My-Encounter-with-Marx-and-Freud-by-Erich-Fromm.pdf
    • http://loaminoo.linkpc.net/7094094090092094/The-Eighteenth-Brumaire-of-Louis-Bonaparte-One-of-Karl-Marx-Most-Profound-and-Most-Brilliant-Monographs-by-Karl-Marx.pdf
    • http://loaminoo.linkpc.net/5095092094093096/Revolution-in-Time-Out-of-Time-10-by-Monique-Martin.pdf
    • http://loaminoo.linkpc.net/1091091096095098095/Karl-Marx-und-Friedrich-Engels-Manifest-der-Kommunistischen-Partei-Das-quot-Kommunistische-Manifest-quot-in-der-Original-Fassung-von-1848-by-Karl-Marx.pdf
    • http://loaminoo.linkpc.net/6096093094092098/Poetry-in-Composition-A-Coffee-Table-Book-of-Poetry-and-Photos-by-Angel-Leya.pdf
    • http://loaminoo.linkpc.net/8090097099097/Getting-Into-Poetry-A-Readers-and-Writers-Guide-to-the-Poetry-Scene-by-Paul-Hyland.pdf
    • http://loaminoo.linkpc.net/1091097094099095097/Die-Synthese-von-materialistischer-Geschichtsphilosophie-und-konomischer-Theorie-in-Marx-Fr-hschriften-Das-Elend-der-Philosophie-und-Brief-an-A

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