Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d1af8554be7dcef…

MALICIOUS

PDF

16.3 KB Created: 2019-05-07 03:31:05 +01:00 Authoring application: mPDF 5.7
MD5: 41ad406f0ec084c167321da86c97e1d0 SHA-1: 1e01c98efab7d734d21917402bd298adfca8fb40 SHA-256: 3d1af8554be7dcef9675a261284bace2abff621f3275b0aac68e4addfb65ed66
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links to external PDF files, all hosted on the same domain. This suggests a link farm or SEO poisoning tactic designed to drive traffic to the linked content. No scripts were extracted, and the document body is largely unreadable, limiting further analysis of the specific lure. The primary IOC is the dominant host found in the embedded links.

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/3098095090095094/Stare-Me-Down-Stare-Down-1-by-Riley-Murphy.pdf
    • http://loaminoo.linkpc.net/4093093090095/The-Thousand-Yard-Stare-by-Rob-Kantner.pdf
    • http://loaminoo.linkpc.net/2096090091098090/Reclaimed-Surrender-Trust-in-Me-1-by-Riley-Murphy.pdf
    • http://loaminoo.linkpc.net/2098090095094098/Requested-Surrender-Trust-in-Me-4-by-Riley-Murphy.pdf
    • http://loaminoo.linkpc.net/1097090091093096/Required-Surrender-Trust-in-Me-3-by-Riley-Murphy.pdf
    • http://loaminoo.linkpc.net/2098091096099098/Love-Of-My-Only-Lifetime-Embrace-Your-Soul-3-by-Riley-Murphy.pdf
    • http://loaminoo.linkpc.net/2098091094091094/Love-Of-My-Every-Lifetime-Embrace-Your-Soul-2-by-Riley-Murphy.pdf
    • http://loaminoo.linkpc.net/1091098094097097090/Ruhe-in-Fetzen-Ein-Fall-f-r-Mrs-Murphy-Ein-Mrs--Murphy-Krimi-2-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/1091098094098097092/Die-Katze-l-sst-das-Mausen-nicht-Ein-Fall-f-r-Mrs-Murphy-Ein-Mrs--Murphy-Krimi-10-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/8097096094092094/Die-Katze-l-sst-das-Mausen-nicht-Maus-im-Aus-Ein-Fall-f-r-Mrs-Murphy-Catch-As-Cat-Can-Tail-Of-The-Tip-Off-Mrs-Murphy-10-11-by-Rita-Mae-Brown.pdf
    • http://loaminoo.linkpc.net/1091095098097096092/Murphy-und-das-Grauen-D-monenj-ger-Murphy-by-Earl-Warren.pdf
    • http://loaminoo.linkpc.net/2097092097095092/Murphy-s-Law-Molly-Murphy-1-by-Rhys-Bowen.pdf
    • http://loaminoo.linkpc.net/4098098093099097/Murphy-s-Law-Molly-Murphy-1-by-Rhys-Bowen.pdf
    • http://loaminoo.linkpc.net/1091095098096098098/Murphy-und-die-Templer-D-monenj-ger-Murphy-by-Ann-Murdoch.pdf
    • http://loaminoo.linkpc.net/1090099099094093095/Mick-Murphy-s-Law-A-Mick-Murphy-Key-West-Mystery-by-Michael-Haskins.pdf
    • http://loaminoo.linkpc.net/3095098099096099/The-Book-of-Riley-3-The-Book-of-Riley-3-by-Mark-Tufo.pdf
    • http://loaminoo.linkpc.net/4099099095091091/The-works-of-James-Whitcomb-Riley-VOL-X-by-James-Whitcomb-Riley.pdf
    • http://loaminoo.linkpc.net/4093094095090090/Son-of-a-Gun-by-A-M-Riley.pdf
    • http://loaminoo.linkpc.net/5092098099/His-Alone-For-Her-2-by-Alexa-Riley.pdf
    • http://loaminoo.linkpc.net/2098096095090092/Go-Your-Own-Way-Go-Your-Own-Way-1-by-Zane-Riley.pdf
    • http://loaminoo.linkpc.net/80970

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