Malicious PDF — malware analysis report

Static analysis result for SHA-256 b10f3627d965ba3b…

MALICIOUS

PDF

22.8 KB Created: 2019-05-04 14:06:29 +01:00 Authoring application: mPDF 5.7
MD5: d09c5eb58f0ed1edec10b93e7a87b6a1 SHA-1: e8411b7206f38b544c163341b50383aa1c0403ac SHA-256: b10f3627d965ba3b9a77632a3a6008ddf0adaabd95502ef2675635ca2d111ad4
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links pointing to external PDF files hosted on a dynamic DNS domain. This technique is often used for SEO poisoning or to distribute further malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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://xiixmcuin.linkpc.net/7206203207209209/Les-Universites-Francaises-Au-Moyen-Age-Education-and-Society-in-the-Middle-Ages-and-Renaissance-Vol-7-Education-and-Society-in-the-Middle-Ages-and-Renaissance-Vol-7-by-Jacques-Verger.pdf
    • http://xiixmcuin.linkpc.net/1201205201203200/Jewish-Education-and-Society-in-the-High-Middle-Ages-by-Ephraim-Kanarfogel.pdf
    • http://xiixmcuin.linkpc.net/5201202200206200/State-and-Society-in-the-Early-Middle-Ages-The-Middle-Rhine-Valley-400-1000-by-Matthew-Innes.pdf
    • http://xiixmcuin.linkpc.net/3209205203206203/The-Mutable-Glass-Mirror-Imagery-in-Titles-and-Texts-of-the-Middle-Ages-and-English-Renaissance-by-Herbert-Grabes.pdf
    • http://xiixmcuin.linkpc.net/5202200200208203/The-Transformations-of-Magic-Illicit-Learned-Magic-in-the-Later-Middle-Ages-and-Renaissance-by-Frank-Klaassen.pdf
    • http://xiixmcuin.linkpc.net/1200201203201206202/La-Sculpture-En-Bourgogne-A-La-Fin-Du-Moyen-Age-Burgundian-Sculpture-Of-The-Middle-Ages-Hohepunkte-Burgundischer-Bildhauerkunst-Im-Spaten-Mittelalter-by-Pierre-Quarre.pdf
    • http://xiixmcuin.linkpc.net/7204205204200200/Les-Grands-Auteurs-Francais-great-French-Authors-Textes-Et-Litterature-Du-Moyen-Age-Au-Vingtieme-Siecle-literature-And-Texts-From-The-Middle-Ages-To-The-20th-Century-by-Andr-Lagarde.pdf
    • http://xiixmcuin.linkpc.net/7206203207202208/The-Privatization-of-Education-A-Political-Economy-of-Global-Education-Reform-by-Antoni-Verger.pdf
    • http://xiixmcuin.linkpc.net/1205209202202206/The-Middle-Ages-by-A-R-Gurney.pdf
    • http://xiixmcuin.linkpc.net/3206209208200200/God-and-Reason-in-the-Middle-Ages-by-Edward-Grant.pdf
    • http://xiixmcuin.linkpc.net/5202200200208207/Printing-the-Middle-Ages-by-Si-n-Echard.pdf
    • http://xiixmcuin.linkpc.net/2208203209209202/The-Art-of-Cookery-in-the-Middle-Ages-by-Terence-Scully.pdf
    • http://xiixmcuin.linkpc.net/4200200207202202/Women-in-the-Middle-Ages-by-Frances-Gies.pdf
    • http://xiixmcuin.linkpc.net/3209205202206200/English-Noblewomen-in-the-Later-Middle-Ages-by-Jennifer-C-Ward.pdf
    • http://xiixmcuin.linkpc.net/3209205209203206/Daily-Life-in-the-Middle-Ages-by-Paul-B-Newman.pdf
    • http://xiixmcuin.linkpc.net/2200200204206204/The-Science-of-Mechanics-in-the-Middle-Ages-by-Marshall-Clagett.pdf
    • http://xiixmcuin.linkpc.net/4204206209201202/Witchcraft-in-the-Middle-Ages-by-Jeffrey-Burton-Russell.pdf
    • http://xiixmcuin.linkpc.net/5201206208206205/Magic-and-Impotence-in-the-Middle-Ages-by-Catherine-Rider.pdf
    • http://xiixmcuin.linkpc.net/3209205209203203/History-of-Linguistic-Thought-in-the-Early-Middle-Ages-by-Vivien-Law.pdf
    • http://xiixmcuin.linkpc.net/3209205205208204/The-Medieval-Housewife-amp-Other-Women-of-the-Middle-Ages-by-Toni-Mount.pdf