Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e8199ab2ab7e728…

MALICIOUS

PDF

19.7 KB Created: 2019-04-30 09:06:26 +01:00 Authoring application: mPDF 5.7
MD5: 576afad6a4dd0ba855e1626ab4b58647 SHA-1: c96f704e013a5a89d9da3d7328568ed04acbe980 SHA-256: 3e8199ab2ab7e728749ceb32744559886ea5dc7d56f6f3370fb7c713893315d1
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents, all hosted on the same domain. This behavior is indicative of a link farm or SEO manipulation tactic, which can be used to distribute malicious content or improve search engine rankings for malicious sites. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure. The primary IOC is the domain hosting the numerous linked PDFs.

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/6097091090091092/How-to-Create-Graphic-Novels-by-Rodolphe-T-pffer.pdf
    • http://loaminoo.linkpc.net/6094095094093091/Father-of-the-Comic-Strip-Rodolphe-T-pffer-by-David-Kunzle.pdf
    • http://loaminoo.linkpc.net/4092091093093095/The-Lost-Hero-The-Graphic-Novel-The-Heroes-of-Olympus-The-Graphic-Novels-1-by-Robert-Venditti.pdf
    • http://loaminoo.linkpc.net/3092091095096093/The-Throne-of-Fire-The-Graphic-Novel-The-Kane-Chronicles-The-Graphic-Novels-2-by-Orpheus-Collar.pdf
    • http://loaminoo.linkpc.net/7091090097099/The-Arctic-Incident-The-Graphic-Novel-Artemis-Fowl-The-Graphic-Novels-2-by-Eoin-Colfer.pdf
    • http://loaminoo.linkpc.net/3097099094093099/Stormbreaker-The-Graphic-Novel-Alex-Rider-The-Graphic-Novels-1-by-Antony-Johnston.pdf
    • http://loaminoo.linkpc.net/3092091095096091/The-Son-of-Neptune-The-Graphic-Novel-The-Heroes-of-Olympus-The-Graphic-Novels-2-by-Robert-Venditti.pdf
    • http://loaminoo.linkpc.net/6097091091092096/Rodolphe-Topffer-M-Jabot-M-Crepin-M-Vieux-Bois-M-Pencil-Docteur-Festus-Histoire-D-Albert-M-Cryptogame-by-Rodolphe-T-pffer.pdf
    • http://loaminoo.linkpc.net/1091098098098090094/Meridian-Magic-W-I-T-C-H-Graphic-Novels-2-by-Parke-Godwin.pdf
    • http://loaminoo.linkpc.net/1091092095095093092/The-Call-of-the-Wild-Graphic-Novels-by-Neil-Kleid.pdf
    • http://loaminoo.linkpc.net/1090093091098094/The-Recruit-Cherub-The-Graphic-Novels-1-by-Robert-Muchamore.pdf
    • http://loaminoo.linkpc.net/3097093098097098/The-Power-of-Friendship-W-I-T-C-H-Graphic-Novels-1-by-Parke-Godwin.pdf
    • http://loaminoo.linkpc.net/1093095091095092/Sworn-Sword-The-Hedge-Knight-Graphic-Novels-2-by-Ben-Avery.pdf
    • http://loaminoo.linkpc.net/2098091092090092/The-Girl-Who-Played-with-Fire-Millennium-The-Graphic-Novels-2-by-Denise-Mina.pdf
    • http://loaminoo.linkpc.net/3092097095099098/The-Girl-With-the-Dragon-Tattoo-Millennium-The-Graphic-Novels-1-2-by-Denise-Mina.pdf
    • http://loaminoo.linkpc.net/2097099090096092/Claudia-and-Mean-Janine-Baby-Sitters-Club-Graphic-Novels-4-by-Raina-Telgemeier.pdf
    • http://loaminoo.linkpc.net/2097099095090090/The-Truth-About-Stacey-Baby-Sitters-Club-Graphic-Novels-2-by-Raina-Telgemeier.pdf
    • http://loaminoo.linkpc.net/1097099093091091/The-Girl-With-the-Dragon-Tattoo-Book-1-Millennium-The-Graphic-Novels-1-1-by-Denise-Mina.pdf
    • http://loaminoo.linkpc.net/3097095094/Hollow-City-Miss-Peregrine-s-Peculiar-Children-Graphic-Novels-2-by-Ransom-Riggs.pdf
    • http://loaminoo.linkpc.net/3090095095090091/Writ-in-Stone-Nancy-Drew-Girl-Detective-Graphic-Novels-2-by-Stefan-Petrucha.pdf
    • http://loaminoo.linkpc.net/309209