Malicious PDF — malware analysis report

Static analysis result for SHA-256 3352bf863d030f70…

MALICIOUS

PDF

19.8 KB Created: 2019-04-30 04:42:12 +01:00 Authoring application: mPDF 5.7
MD5: 54a3a006d6107f916f597323b4aae52f SHA-1: 5a2dc6ac5ce4f05d5521ad3ecd3435d3a3880a1b SHA-256: 3352bf863d030f701504cc52a2bf69ac398194178d2db5641b66c1347132d592
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ML classifier strongly indicated maliciousness. While the document body is unreadable, the PDF structure and the sheer volume of links suggest a malicious intent to distribute or obscure malicious activity. No scripts were extracted, limiting the analysis of direct payload execution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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://muicuiu.dumb1.com/7a09a04a05a07a02/South-of-France-French-Entree-10-by-Patricia-Fenn.pdf
    • http://muicuiu.dumb1.com/2a07a05a08a06a05/Poe-by-J-Lincoln-Fenn.pdf
    • http://muicuiu.dumb1.com/7a09a04a04a01a09/Entree-to-Asia-by-Thomas-Robson.pdf
    • http://muicuiu.dumb1.com/7a09a04a04a02a09/Entr-e-To-Judaism-by-Tina-Wasserman.pdf
    • http://muicuiu.dumb1.com/5a01a00a08a01/Chaos-The-Realmwalker-Chronicles-1-by-C-M-Fenn.pdf
    • http://muicuiu.dumb1.com/2a09a04a08a04a09/668-Neighbor-of-the-Beast-by-Lionel-Fenn.pdf
    • http://muicuiu.dumb1.com/2a06a06a03a07a02/Consorts-of-Heaven-by-Jaine-Fenn.pdf
    • http://muicuiu.dumb1.com/2a06a06a03a05a05/Guardians-of-Paradise-by-Jaine-Fenn.pdf
    • http://muicuiu.dumb1.com/1a06a07a00a07a01/Parable-of-the-Forgotten---An-Unsuitable-Mystery-by-Simon-Fenn.pdf
    • http://muicuiu.dumb1.com/1a00a04a00a04a09a09/Die-Mallorca-Bruderschaft-by-Ralf-Kelten.pdf
    • http://muicuiu.dumb1.com/7a09a04a02a00a06/33-Delicious-and-Nutritious-Vegetarian-Main-Entree-Recipes-by-Shelley-Lynne.pdf
    • http://muicuiu.dumb1.com/7a09a04a02a00a07/Entr-e-to-Entrelac-The-Definitive-Guide-from-a-Biased-Knitter-by-Gwen-Bortner.pdf
    • http://muicuiu.dumb1.com/1a00a04a00a05a00a05/MEERBLICK-INCLUSIVE-Gelber-Mallorca-Krimi-2-by-Ralf-Kelten.pdf
    • http://muicuiu.dumb1.com/1a00a04a00a05a00a04/Mallorca-2084-Ein-Inselkrimi-der-nahen-Zukunft-by-Ralf-Kelten.pdf
    • http://muicuiu.dumb1.com/1a00a03a05a05a07a03/Was-einem-so-auff-llt-Erlebtes-und-Beobachtetes-auf-Mallorca-und-anderswo-by-Hanns-van-Kann.pdf
    • http://muicuiu.dumb1.com/1a01a01a06a07a01a05/Hotel-Mallorca-3-Romane-3---Liebesroman-Roulette-der-Leidenschaft---Kaltes-Gl-ck---H-henflug-by-Manuela-von-Steinau.pdf
    • http://muicuiu.dumb1.com/1a01a05a07a03a01a00/Hotel-Mallorca-3-Romane-2---Liebesroman-Die-Macht-der-V-ter---Verlockung-Paradies---Die-Aff-re-by-Manuela-von-Steinau.pdf
    • http://muicuiu.dumb1.com/1a00a04a00a05a00a01/Tatort-Cala-Ratjada-Ein-Fall-f-r-Detektiv-Ben-Malle-Gelber-Mallorca-Krimi-1-by-Ralf-Kelten.pdf
    • http://muicuiu.dumb1.com/1a01a09a00a02a03a04/Gayle-erotische-Geschichten---Sammelband-1-Bis-das-der-T-V-uns-scheidet-Mallorca-II-Bert-F-nf-Kerzen-zum-Geburtstag-by-Adi-Mira-Michaels.pdf
    • http://muicuiu.dumb1.com/9a09a08a08a02a08/Ein-B-r-erobert-die-Welt-Bruce-auf-Mallorca---Bruce-in-Wien-by-Gitta-Gampe.pdf
    • http://muicuiu.dumb1.com

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