Malicious PDF — malware analysis report

Static analysis result for SHA-256 d973e2b2324a2dfd…

MALICIOUS

PDF

25.3 KB Created: 2019-10-31 23:52:34 +00:00 Authoring application: mPDF 5.7
MD5: b06bd76fc3b3c40a1473129d5a6b224b SHA-1: 3c5015d57803c1c0fe47e745d2f988a1943657fc SHA-256: d973e2b2324a2dfd9b0d5def0b04c7b571050792ba0300646d2dcca51f2eb845
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. While the ML classifier also flagged it as malicious, the primary attack pattern appears to be a link farm, likely intended for SEO manipulation or to distribute further malicious content. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9742

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/9735733739737735/Reisende-Helden-Die-Anf-nge-der-griechischen-Kultur-im-Homerischen-Zeitalter-by-Robin-Lane-Fox.pdf
    • http://cefasfese.4pu.com/1731734737735734731/Kirchengeschichte-in-Einzeldarstellungen-Spates-Mittelalter-Reformation-Konfessionelles-Zeitalter-Das-Konfessionelle-Zeitalter---Katholizismus-Luthertum-Calvinismus-1563-1675-by-Ernst-Koch.pdf
    • http://cefasfese.4pu.com/1730736732731737737/Der-Reisende-Gro-stadttiger-1-by-Cara-Roth.pdf
    • http://cefasfese.4pu.com/1730736732733738734/Handbuch-F-r-Reisende-in-Italien-by-Ernst-Forster.pdf
    • http://cefasfese.4pu.com/1730736732732733731/Reisende-In-Schottland-seit-325-V-Chr-by-Ulrike-Keller.pdf
    • http://cefasfese.4pu.com/8736734732733739/Die-Pflanzenwelt-in-Der-Griechischen-Mythologie-by-Josef-Murr.pdf
    • http://cefasfese.4pu.com/1730736732734737738/Yin-amp-Yang-Chinesisch-Sprachkurs-f-r-Reisende-Studenten-und-Expats-by-Julian-Grossherr.pdf
    • http://cefasfese.4pu.com/1731736735739738736/Der-Silen-Wandlungen-Einer-Gestalt-Des-Griechischen-Satyrspiels-by-Gerhild-Conrad.pdf
    • http://cefasfese.4pu.com/1731735733735732731/Das-Bild-Der-Perser-in-Der-Griechischen-Dichtung-Des-5-Vorchristlichen-Jahrhunderts-by-Birger-Hutzfeldt.pdf
    • http://cefasfese.4pu.com/8737733733738730/Helden-in-Schnabelschuhen-by-Anselm-Neft.pdf
    • http://cefasfese.4pu.com/1730736732734739733/Fukushima-und-vulkanische-Gebirge-Eine-85-j-hrige-Reisende-unterwegs-in-Japan-by-Margarete-Franz.pdf
    • http://cefasfese.4pu.com/1731733737731736730/Darstellungen-Von-Dreifusskesseln-in-Der-Griechischen-Kunst-Bis-Zum-Beginn-Der-Klassischen-Zeit-by-Anja-Sakowski.pdf
    • http://cefasfese.4pu.com/9739737735730730/Das-Recht-Der-Griechischen-Papyri-Agyptens-in-Der-Zeit-Der-Ptolemaeer-Und-Des-Prinzipats-by-Hans-J-Wolff.pdf
    • http://cefasfese.4pu.com/8737733733733732/Liebe-braucht-Helden-by-Eric-Wilson.pdf
    • http://cefasfese.4pu.com/1730731730730736730/Das-Muttertrauma-in-Der-Griechischen-Mythologie-Eine-Psychologische-Interpretation-Der-Theogonia-Von-Hesiod-by-Ewald-Rumpf.pdf
    • http://cefasfese.4pu.com/8737733734735735/Handbuch-f-r-echte-Helden-How-to-Train-Your-Dragon-6-by-Cressida-Cowell.pdf
    • http://cefasfese.4pu.com/8737738739738737/Die-Krise-Des-Helden-Die-Ich-Stoerung-Im-Erzaehlwerk-Von-Leo-Perutz-by-Peter-Lauener.pdf
    • http://cefasfese.4pu.com/1731739735736738731/Beowulf-Leben-und-Taten-der-nordischen-Helden-und-K-nige-9-by-Therese-Dahn.pdf
    • http://cefasfese.4pu.com/1731731734732737730/Jesuitische-Ars-Rhetorica-Im-Zeitalter-Der-Glaubenskaempfe-by-Klaus-Kinski.pdf
    • http://cefasfese.4pu.com/9735733738736731/DAS-ZEITALTER-DER-F-NF-Reihe-in-3-B-nden-by-Trudi-Canavan.pdf