Malicious PDF — malware analysis report

Static analysis result for SHA-256 50328e309f31a096…

MALICIOUS

PDF

18.1 KB Created: 2019-04-30 04:24:37 +01:00 Authoring application: mPDF 5.7
MD5: 80a146bf794ef76193f268b3bc8f3002 SHA-1: ae14e3fc35e3a18b7b38ba5d7bc2801c52bef3ee SHA-256: 50328e309f31a096523e36df7c972d08d3558ef0a266255bb268a45b0cc48145
60 Risk Score

Malware Insights

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

The PDF document was flagged for containing a large number of embedded URLs, indicative of a link farm designed to lure users to potentially malicious sites. While the specific intent of these links is not fully clear due to the benign reputation of the initial URLs, the sheer volume and the heuristic firing suggest a malicious purpose, likely related to phishing or malware distribution. No scripts were extracted from this sample.

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/8095090093094098/Cherokee-Sister-The-Collected-Writings-of-Catharine-Brown-1818-1823-by-Catharine-Brown.pdf
    • http://loaminoo.linkpc.net/1091096091091096095/Necropolis-London-and-Its-Dead-by-Catharine-Arnold-2007-Paperback-by-Catharine-Arnold.pdf
    • http://loaminoo.linkpc.net/4096098099090099/Catharine-and-Other-Writings-by-Jane-Austen.pdf
    • http://loaminoo.linkpc.net/4097090094094094/Women-s-Lives-Men-s-Laws-by-Catharine-A-MacKinnon.pdf
    • http://loaminoo.linkpc.net/9098095097093/I-Am-Your-Sister-Collected-and-Unpublished-Writings-by-Audre-Lorde.pdf
    • http://loaminoo.linkpc.net/4093093099092099/Catharine-amp-Edward-Royals-of-Valleria-6-by-Marianne-Knightly.pdf
    • http://loaminoo.linkpc.net/4099090094099/Feminism-Unmodified-Discourses-on-Life-and-Law-by-Catharine-A-MacKinnon.pdf
    • http://loaminoo.linkpc.net/2093098094090096/Underworld-London-Crime-and-Punishment-in-the-Capital-City-by-Catharine-Arnold.pdf
    • http://loaminoo.linkpc.net/4099096097095094/The-Stargazer-s-Sister-by-Carrie-Brown.pdf
    • http://loaminoo.linkpc.net/5091097095090096/The-Collected-Poems-by-Sterling-A-Brown.pdf
    • http://loaminoo.linkpc.net/1090090093091097/Part-of-the-Land-Part-of-the-Water-A-History-of-the-Yukon-Indians-by-Catharine-McClellan.pdf
    • http://loaminoo.linkpc.net/3094095090091099/Future-Gold-Future-Girls-2-by-Catharine-Bramkamp.pdf
    • http://loaminoo.linkpc.net/3093091090098/Black-Brown-amp-Beige-Surrealist-Writings-from-Africa-and-the-Diaspora-by-Franklin-Rosemont.pdf
    • http://loaminoo.linkpc.net/5096095093095/Brown-What-Being-Brown-in-the-World-Today-Means-by-Kamal-Al-Solaylee.pdf
    • http://loaminoo.linkpc.net/4096096099091091/The-Tell-tale-Horse-quot-Sister-quot-Jane-6-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/4090095091098095/Outfoxed-quot-Sister-quot-Jane-1-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/7097092099096097/DIY-Brown-Recluse-Control-A-Simple-Guide-For-Brown-Recluse-Treatments-by-Adam-Lowell-Roberts.pdf
    • http://loaminoo.linkpc.net/1097095095094095/Encyclopedia-Brown-and-the-Case-of-the-Secret-Pitch-Encyclopedia-Brown-2-by-Donald-J-Sobol.pdf
    • http://loaminoo.linkpc.net/1091094091090099090/Encyclopedia-Brown-and-the-Case-of-the-Slippery-Salamander-Encyclopedia-Brown-22-by-Donald-J-Sobol.pdf
    • http://loaminoo.linkpc.net/8090098090098092/Brown-Bear-Brown-Bear-What-Do-You-See-Teacher-s-Guide-by-Bill-Martin-Jr-.pdf

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