Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e43fab28cebd097…

MALICIOUS

PDF

17.7 KB Created: 2019-04-30 09:51:06 +01:00 Authoring application: mPDF 5.7
MD5: 9c87779e113b2a06f7d7565a7f832fb6 SHA-1: 9bf317cc66182ef1be4379e7deb6b207db5a98f7 SHA-256: 7e43fab28cebd097ce8fe4a5b89b39fa16a0fe8ddf5d32f0fabc9362451c870f
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of embedded links, identified as a PDF SEO link farm. While the document body content is heavily obfuscated, the presence of numerous external links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content hosted on the 'loaminoo.linkpc.net' domain. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/7097097095091095/Queen-of-France-A-Biography-of-Marie-Antoinette-by-Andr-Castelot.pdf
    • http://loaminoo.linkpc.net/6092096097092091/Lais-of-Marie-de-France-Chevrefoil-Eliduc-Yonec-Guigemar-Lanval-Bisclavret-Le-Fresne-the-Lais-of-Marie-de-France-Lastic-Equitan-by-Marie-Dec-France.pdf
    • http://loaminoo.linkpc.net/1091093090096090/How-to-Ruin-a-Queen-Marie-Antoinette-and-the-Diamond-Necklace-Affair-by-Jonathan-Beckman.pdf
    • http://loaminoo.linkpc.net/5099099095096091/Marie-Louise-Imperatrice-Malgre-Elle-by-Andr-Castelot.pdf
    • http://loaminoo.linkpc.net/4092095098096095/Marie-Th-r-se-Child-of-Terror-The-Fate-of-Marie-Antoinette-s-Daughter-by-Susan-Nagel.pdf
    • http://loaminoo.linkpc.net/2091095091090093/Marie-Th-r-se-Child-of-Terror-The-Fate-of-Marie-Antoinette-s-Daughter-by-Susan-Nagel.pdf
    • http://loaminoo.linkpc.net/3098095094099096/Witness-To-War-A-Biography-of-Marguerite-Higgins-by-Antoinette-May.pdf
    • http://loaminoo.linkpc.net/7097097094092098/Marie-Antoinette-by-Ian-Dunlop.pdf
    • http://loaminoo.linkpc.net/5090090091091098/Becoming-Marie-Antoinette-by-Juliet-Grey.pdf
    • http://loaminoo.linkpc.net/2099091095092/Becoming-Marie-Antoinette-by-Juliet-Grey.pdf
    • http://loaminoo.linkpc.net/4096099090096091/Marie-Antoinette-The-Journey-by-Antonia-Fraser.pdf
    • http://loaminoo.linkpc.net/1092094090092092/Marie-Antoinette-Serial-Killer-by-Katie-Alender.pdf
    • http://loaminoo.linkpc.net/5095091091099092/Les-larmes-de-Marie-Antoinette-Le-Boiteux-de-Varsovie-8-by-Juliette-Benzoni.pdf
    • http://loaminoo.linkpc.net/4090091094098095/Jean-Baptiste-Cl-ry-Eyewitness-to-Louis-XVI-amp-Marie-Antoinette-s-Nightmare-by-Will-Bashor.pdf
    • http://loaminoo.linkpc.net/3097090097095093/Army-Letters-from-an-Officer-s-Wife-1871-1888-by-Frances-Marie-Antoinette-Mack-Roe.pdf
    • http://loaminoo.linkpc.net/6096091093096093/La-France-Sans-Mitterrand-by-Jean-Marie-Colombani.pdf
    • http://loaminoo.linkpc.net/4092097098098092/Athenais-The-Life-of-Louis-XIV-s-Mistress-the-Real-Queen-of-France-by-Lisa-Hilton.pdf
    • http://loaminoo.linkpc.net/3098095096094093/Every-Living-Being-Representations-of-Nonhuman-Animals-in-the-Exploration-of-Human-Well-Being-by-Marie-France-Boissonneault.pdf
    • http://loaminoo.linkpc.net/9097091092/Victoria-The-Queen-An-Intimate-Biography-of-the-Woman-Who-Ruled-an-Empire-by-Julia-Baird.pdf
    • http://loaminoo.linkpc.net/7090095091098098/The-Rise-of-the-Queen-Saskia-Trilogy-3-by-Aoife-Marie-Sheridan.pdf
    • http://loaminoo.linkpc.net/3098095094099096/Witness-To-Wa