Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2f4de9aa52b2f18…

MALICIOUS

PDF

18.0 KB Created: 2019-04-30 04:26:47 +01:00 Authoring application: mPDF 5.7
MD5: ac82a4bbfc2328d943e80b0292f122cc SHA-1: 3942bb92fc15741c24a1559f19675c24d453add6 SHA-256: e2f4de9aa52b2f18df18721350a60ad8e66260b6098032dc75f2a570f1f9ff5e
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. The embedded links point to a domain that appears to host a link farm, suggesting a social engineering or phishing attempt to direct users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/2094092094091094/Aunt-Margaret-s-Lover-by-Mavis-Cheek.pdf
    • http://loaminoo.linkpc.net/7097097095096092/Muppet---Illustrated-Characters-Abbot-Alice-Andy-the-Armadillo-Anson-Anderson-Arabs-Ariel-Aunt-Agnes-Snuffleupagus-Aunt-Edna-Aunt-Sue-Baby-Monster-Babyface-Magee-Bean-Bunny-Becca-Bird-Big-Boy-Bigfoot-Billy-Bird-Buddy-Bird-Cabbages-Calvi-by-Source-Wikia.pdf
    • http://loaminoo.linkpc.net/3098094093096098/Aunt-Dimity-and-the-Buried-Treasure-Aunt-Dimity-Mystery-21-by-Nancy-Atherton.pdf
    • http://loaminoo.linkpc.net/8097093090092/Aunt-Dimity-Digs-In-Aunt-Dimity-Mystery-4-by-Nancy-Atherton.pdf
    • http://loaminoo.linkpc.net/3096092096091095/Aunt-Dimity-s-Death-Aunt-Dimity-Mystery-1-by-Nancy-Atherton.pdf
    • http://loaminoo.linkpc.net/6096099091094091/Aunt-Jo-s-Scrap-Bag-Aunt-Jo-s-Scrap-Bag-1-by-Louisa-May-Alcott.pdf
    • http://loaminoo.linkpc.net/1098099098099095/First-Breath-of-Morning-by-Kathy-Cheek.pdf
    • http://loaminoo.linkpc.net/4093099097098091/Mean-Little-Kitty-amp-Waiting-Room-at-the-Hero-League-by-Kater-Cheek.pdf
    • http://loaminoo.linkpc.net/2093096090097090/The-Other-Paris-by-Mavis-Gallant.pdf
    • http://loaminoo.linkpc.net/5091090098093096/Mavis-and-Merna-by-Ian-Wallace.pdf
    • http://loaminoo.linkpc.net/7094096090092/The-Min-Min-by-Mavis-Thorpe-Clark.pdf
    • http://loaminoo.linkpc.net/3095096092091090/Finding-My-Way-by-Mavis-Applewater.pdf
    • http://loaminoo.linkpc.net/1090097093093093/One-Butt-Cheek-at-a-Time-Gert-Garibaldi-s-Rants-and-Raves-1-by-Amber-Kizer.pdf
    • http://loaminoo.linkpc.net/2091094096093092/The-Supremacy-Witch-by-Marion-Mavis.pdf
    • http://loaminoo.linkpc.net/2093095099094098/Montreal-Stories-by-Mavis-Gallant.pdf
    • http://loaminoo.linkpc.net/2093096090092096/End-of-the-World-and-Other-Stories-by-Mavis-Gallant.pdf
    • http://loaminoo.linkpc.net/2093095099092098/From-The-Fifteenth-District-by-Mavis-Gallant.pdf
    • http://loaminoo.linkpc.net/2093096090093099/A-Fairly-Good-Time-by-Mavis-Gallant.pdf
    • http://loaminoo.linkpc.net/7095090090099098/Dilly-The-Man-Who-Broke-Enigma-by-Mavis-Batey.pdf
    • http://loaminoo.linkpc.net/8093091090091/Son-of-Gun-in-Cheek-An-Affectionate-Guide-to-More-of-the-quot-Worst-quot-in-Mystery-Fiction-by-Bill-Pronzini.pdf
    • http://loaminoo.linkpc.net/10980990980990

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