Malicious PDF — malware analysis report

Static analysis result for SHA-256 60f5e303448b96f5…

MALICIOUS

PDF

16.6 KB Created: 2019-04-30 02:53:22 +01:00 Authoring application: mPDF 5.7
MD5: 6308e1598c9de275f6bed14b3a03c845 SHA-1: 33924faa32ba746cefb2c37314b1b5a5f4ddeb1d SHA-256: 60f5e303448b96f5de5eb07fcbbefb8da6d4648bcd03bfacadbb115943e946c2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO spam or to distribute further malicious content. The ML classifier also flagged this document as malicious. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic firing suggest a malicious intent, likely related to distributing unwanted content or potentially hosting further stages of an attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9913

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/7099097099096092/Clann-Somhairle-Clan-Donald-Clan-Macdougall-Clan-MacDonald-of-Sleat-Clan-MacDonald-of-Clanranald-Clan-Macalister-Alexander-of-Islay-by-Source-Wikipedia.pdf
    • http://loaminoo.linkpc.net/3095090092094098/Highlanders-Scottish-Medieval-1-The-MacLerie-Clan-6-5-MacKinloch-Clan-3-5-by-Brenda-Joyce.pdf
    • http://loaminoo.linkpc.net/2094096090098092/The-Virgin-of-Clan-Sinclair-Clan-Sinclair-3-by-Karen-Ranney.pdf
    • http://loaminoo.linkpc.net/2097093098093098/The-Virgin-of-Clan-Sinclair-Clan-Sinclair-3-by-Karen-Ranney.pdf
    • http://loaminoo.linkpc.net/1093091099094096/McKenna-s-Honor-Clan-MacDougall-4-by-Suzan-Tisdale.pdf
    • http://loaminoo.linkpc.net/2092092098095094/Findley-s-Lass-Clan-MacDougall-2-by-Suzan-Tisdale.pdf
    • http://loaminoo.linkpc.net/6097095097090/Laiden-s-Daughter-Clan-MacDougall-1-by-Suzan-Tisdale.pdf
    • http://loaminoo.linkpc.net/2097099095097092/Wee-William-s-Woman-Clan-MacDougall-3-by-Suzan-Tisdale.pdf
    • http://loaminoo.linkpc.net/4091097098094092/Silver-Wolf-Clan-Silver-Wolf-Clan-1-by-Tera-Shanley.pdf
    • http://loaminoo.linkpc.net/1092094099096093/The-Clan-Play-to-Live-2-by-D-Rus.pdf
    • http://loaminoo.linkpc.net/5093091099097090/Clan-by-David-P-Elliot.pdf
    • http://loaminoo.linkpc.net/1099091097094098/A-Property-Of-The-Clan-by-Nick-Enright.pdf
    • http://loaminoo.linkpc.net/3096099090097097/The-Inugami-Clan-by-Seishi-Yokomizo.pdf
    • http://loaminoo.linkpc.net/1090099094091092093/Blood-Moon-Cat-Clan-2-by-C-L-Bevill.pdf
    • http://loaminoo.linkpc.net/3090090093098097/The-Intended-MacPherson-Clan-4-by-May-McGoldrick.pdf
    • http://loaminoo.linkpc.net/1091090096092090/Breakaway-Clan-of-the-Ice-Mountains-by-C-S-Bills.pdf
    • http://loaminoo.linkpc.net/3096092094097092/For-the-Good-of-the-Clan-by-Miles-Archer.pdf
    • http://loaminoo.linkpc.net/3094099099099094/Highlander-Taken-Clan-Mackenzie-2-by-Juliette-Miller.pdf
    • http://loaminoo.linkpc.net/5098099097093099/Der-Clan-der-W-lfe-4-Eisk-nig-by-Kathryn-Lasky.pdf
    • http://loaminoo.linkpc.net/2095092094097092/Callum-The-Cursed-Clan-1-by-Melissa-Schroeder.pdf

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