Malicious PDF — malware analysis report

Static analysis result for SHA-256 42fa97648176a948…

MALICIOUS

PDF

18.3 KB Created: 2019-05-07 03:58:26 +01:00 Authoring application: mPDF 5.7
MD5: 13d488122d77d149d78f348b1824ffcf SHA-1: dc8116fcc2b69be417edd0770faf1fab510bbf3d SHA-256: 42fa97648176a948f6e041bb88df9c9725e4fb8e8eb130c52a4de3c46a058bda
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, forming a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates that these are likely intended to direct users to external content, potentially for SEO manipulation or to host malicious payloads. While the URLs themselves are currently flagged as benign, the sheer volume and the nature of the heuristic suggest a malicious intent to redirect users. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/4095097092095093/Choosing-the-Right-Man---Nice-Girl-to-Love-Vol-3-Can-t-Resist-3-by-Violet-Duke.pdf
    • http://loaminoo.linkpc.net/2090092097092097/Resisting-the-Bad-Boy---Nice-Girl-to-Love-Vol-1-Can-t-Resist-1-by-Violet-Duke.pdf
    • http://loaminoo.linkpc.net/1096094094099/The-Night-Flyers-American-Girl-History-Mysteries-3-by-Elizabeth-McDavid-Jones.pdf
    • http://loaminoo.linkpc.net/3091095094092/Ghost-Light-on-Graveyard-Shoal-American-Girl-History-Mysteries-21-by-Elizabeth-McDavid-Jones.pdf
    • http://loaminoo.linkpc.net/1098090097095098/Lady-Margaret-s-Ghost-A-Felicity-Mystery-American-Girl-Mysteries-by-Elizabeth-McDavid-Jones.pdf
    • http://loaminoo.linkpc.net/5094093097/Dead-End-Girl-Violet-Darger-1-by-L-T-Vargus.pdf
    • http://loaminoo.linkpc.net/7097095095/The-Girl-in-the-Sand-Violet-Darger-3-by-L-T-Vargus.pdf
    • http://loaminoo.linkpc.net/2095091091098092/Slave-Girl-An-African-American-Girl-s-Diary-1859-by-Patricia-C-McKissack.pdf
    • http://loaminoo.linkpc.net/3095093093095/All-American-Girl-All-American-Girl-1-by-Meg-Cabot.pdf
    • http://loaminoo.linkpc.net/4097090097092094/All-American-Girl-All-American-Girl-1-by-Meg-Cabot.pdf
    • http://loaminoo.linkpc.net/4090099096090094/May-Sky-There-Is-Always-Tomorrow-An-Anthology-of-Japanese-American-Concentration-Camp-Kaiko-Haiku-by-Violet-Kazue-De-Cristoforo.pdf
    • http://loaminoo.linkpc.net/1093095095095090/Love-is-the-Honey-by-Violet-Winspear.pdf
    • http://loaminoo.linkpc.net/3097094099094091/Violet-s-Bumpy-Ride-A-Life-of-Faith-Violet-Travilla-6-by-Martha-Finley.pdf
    • http://loaminoo.linkpc.net/3097094099094096/Violet-s-Amazing-Summer-A-Life-of-Faith-Violet-Travilla-2-by-Martha-Finley.pdf
    • http://loaminoo.linkpc.net/1094096096098090/Love-Exes-and-Ohs-Cactus-Creek-4-by-Violet-Duke.pdf
    • http://loaminoo.linkpc.net/4096097094094095/Love-Tussles-and-Takedowns-Cactus-Creek-3-by-Violet-Duke.pdf
    • http://loaminoo.linkpc.net/4095099093091099/Love-Laughter-and-Merrily-Ever-Afters-Collection-by-Violet-Duke.pdf
    • http://loaminoo.linkpc.net/4099097091094094/Violet-and-the-Hidden-Treasure-Violet-2-by-Harriet-Whitehorn.pdf
    • http://loaminoo.linkpc.net/1098097099093096/Violet-Midnight-Violet-Night-1-by-Lynn-Rush.pdf
    • http://loaminoo.linkpc.net/6099099092092/Junie-B-Jones-is-a-Graduation-Girl-amp-Junie-B-First-Grader-at-Last-Junie-B-Jones-17-18-by-Barbara-Park.pdf
    • http://loaminoo.linkpc.net/2095091091098092/Slave-Girl-An-African-American-Girl-s-Diary-1859-by-Patricia-C