Malicious PDF — malware analysis report

Static analysis result for SHA-256 6dfa54ca829b5437…

MALICIOUS

PDF

12.8 KB Created: 2019-04-30 02:09:48 +01:00 Authoring application: mPDF 5.7
MD5: 316298ae1330bf31bf21432d415bb82b SHA-1: 4063d1f4e7c10a2785831d51ff28b2dd3f556789 SHA-256: 6dfa54ca829b54373242e189ba9619f583f171944261a011ad2648f8bb542ed7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, identified as a link farm. The primary heuristic indicates this is a critical finding, suggesting the document's purpose is to direct users to a large collection of external resources, likely for SEO manipulation or to host malicious content. While the specific intent of the linked PDFs is unclear, the sheer volume and structure point towards a malicious distribution or redirection scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8905

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://xiixmcuin.linkpc.net/1201204206209202208/Asher-s-Invention-Asher-Quigley-1-by-Coleen-Kwan.pdf
    • http://xiixmcuin.linkpc.net/3208209204208202/Asher-s-War-Asher-Benson-3-by-Jason-Brant.pdf
    • http://xiixmcuin.linkpc.net/1209205205206209/Asher-s-Out-The-Asher-Trilogy-3-by-Elizabeth-Wheeler.pdf
    • http://xiixmcuin.linkpc.net/1201204207200207208/Asher-And-The-Threesome-Asher-2-by-Zoe-Nichols.pdf
    • http://xiixmcuin.linkpc.net/2205202203202204/His-Millionaire-Maid-by-Coleen-Kwan.pdf
    • http://xiixmcuin.linkpc.net/4205209209202209/The-Future-of-Us-by-Jay-Asher.pdf
    • http://xiixmcuin.linkpc.net/1205204201206206/My-Name-Is-Asher-Lev-by-Chaim-Potok.pdf
    • http://xiixmcuin.linkpc.net/3208203206202207/The-Question-by-Jane-Asher.pdf
    • http://xiixmcuin.linkpc.net/6201200205204203/The-Parasite-by-Neal-L-Asher.pdf
    • http://xiixmcuin.linkpc.net/1200206209209205/Thirteen-Reasons-Why-by-Jay-Asher.pdf
    • http://xiixmcuin.linkpc.net/1204206208208205/Vines-The-Killers-1-by-Brynne-Asher.pdf
    • http://xiixmcuin.linkpc.net/8206201201206/The-Gift-of-Asher-Lev-by-Chaim-Potok.pdf
    • http://xiixmcuin.linkpc.net/8206206200204/Orbus-Spatterjay-3-by-Neal-Asher.pdf
    • http://xiixmcuin.linkpc.net/2207206204203208/Days-Gone-Bad-Vesik-1-by-Eric-R-Asher.pdf
    • http://xiixmcuin.linkpc.net/1204206207204207/Paths-The-Killers-2-by-Brynne-Asher.pdf
    • http://xiixmcuin.linkpc.net/4202204207209208/War-Factory-Transformation-2-by-Neal-Asher.pdf
    • http://xiixmcuin.linkpc.net/9203204201205/Why-the-World-Sucks-and-What-We-Can-Do-About-It-by-B-Regan-Asher.pdf
    • http://xiixmcuin.linkpc.net/1206200207207201/Orbus-Spatterjay-3-by-Neal-Asher.pdf
    • http://xiixmcuin.linkpc.net/1201204207202201205/The-Engineer-Reconditioned-by-Neal-Asher.pdf
    • http://xiixmcuin.linkpc.net/1206207205200208/Burning-Ember-Eternals-1-by-Evi-Asher.pdf

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