Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1fd0a8f81f49a64…

MALICIOUS

PDF

16.0 KB Created: 2019-05-02 18:42:25 +01:00 Authoring application: mPDF 5.7
MD5: 28d3a7dfdaa26f02f4f75413ddf95382 SHA-1: 30bacb54fd475956623477c251a5bf54984b7752 SHA-256: f1fd0a8f81f49a64e81a0f4d489f4dd40ca087d42958d66da9d4cb82b27e8639
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. The embedded URLs, while currently marked as benign, are likely used to direct users to malicious content or for SEO manipulation. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/2095093097092091/Pretty-as-a-Peach-Sex-and-Sweet-Tea-4-by-Juliette-Poe.pdf
    • http://loaminoo.linkpc.net/2096094099092099/Ain-t-He-Precious-Sex-and-Sweet-Tea-1-by-Juliette-Poe.pdf
    • http://loaminoo.linkpc.net/4091095098094093/Sweet-Thing-Pretty-Boy-2-by-Isobel-Starling.pdf
    • http://loaminoo.linkpc.net/2092098097099090/Peach-Girl-Change-of-Heart-Vol-2-Peach-Girl-10-by-Miwa-Ueda.pdf
    • http://loaminoo.linkpc.net/2092097098099091/Peach-Girl-Change-of-Heart-Vol-6-Peach-Girl-14-by-Miwa-Ueda.pdf
    • http://loaminoo.linkpc.net/2093090094093093/Pretty-is-as-Pretty-Dies-Myrtle-Clover-Mysteries-1-by-Elizabeth-Spann-Craig.pdf
    • http://loaminoo.linkpc.net/1090097098090096098/Pretty-Little-Ghost-Pretty-Little-Liars-Rosewood-Hotel-Mystery-2-by-M-B-Borchardt.pdf
    • http://loaminoo.linkpc.net/2092098098095090/Peach-Girl-Vol-5-Peach-Girl-5-by-Miwa-Ueda.pdf
    • http://loaminoo.linkpc.net/2092098094095095/Peach-Girl-Vol-7-Peach-Girl-7-by-Miwa-Ueda.pdf
    • http://loaminoo.linkpc.net/2092098098091093/Peach-Girl-Vol-4-Peach-Girl-4-by-Miwa-Ueda.pdf
    • http://loaminoo.linkpc.net/5094093094099098/All-Things-Pretty-Part-Two-Pretty-3-5-by-Michelle-Leighton.pdf
    • http://loaminoo.linkpc.net/2099097094096092/Pretty-New-Doll-Pretty-Little-Dolls-3-by-Ker-Dukey.pdf
    • http://loaminoo.linkpc.net/2092093092094092/The-Juliette-Society-The-Juliette-Society-1-by-Sasha-Grey.pdf
    • http://loaminoo.linkpc.net/4092090094094094/Pretty-Hot-Pretty-1-by-Donna-Alam.pdf
    • http://loaminoo.linkpc.net/2097099093095099/Pretty-Guardian-Sailor-Moon-Vol-3-Pretty-Soldier-Sailor-Moon-Renewal-Edition-3-by-Naoko-Takeuchi.pdf
    • http://loaminoo.linkpc.net/4094097094099/Pretty-Guardian-Sailor-Moon-Vol-1-Pretty-Soldier-Sailor-Moon-Renewal-Edition-1-by-Naoko-Takeuchi.pdf
    • http://loaminoo.linkpc.net/3090093092096096/Pretty-Crooked-Pretty-Crooked-1-by-Elisa-Ludwig.pdf
    • http://loaminoo.linkpc.net/5094093094093098/Pretty-Broken-Dolls-Pretty-Little-Dolls-4-by-Ker-Dukey.pdf
    • http://loaminoo.linkpc.net/4095091094/Pretty-Lost-Dolls-Pretty-Little-Dolls-2-by-Ker-Dukey.pdf
    • http://loaminoo.linkpc.net/2092093091/Sweet-Soul-Sweet-Home-4-Carillo-Boys-3-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/2092093092094092/The-Juliette-Society-The-Juliette