Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dc384577ad08483…

MALICIOUS

PDF

19.8 KB Created: 2019-04-30 04:57:27 +01:00 Authoring application: mPDF 5.7
MD5: 4ce05bda3a53fd643f1c401f490b822e SHA-1: 46f22ee3acaa23582c529ad2366f25a9699aef55 SHA-256: 7dc384577ad08483adc1a71987e6ff098748b269057bee03f260b75b856117b8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links, identified as a link farm, directing users to external PDF files. The ML classifier also flagged this PDF as malicious. While the URLs themselves are currently marked as benign, the sheer volume and nature of the embedded links suggest a malicious intent, likely to drive traffic or potentially distribute further malicious content disguised as academic or technical documents.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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/9095094091093096/Interpreting-Probability-Models-Logit-Probit-and-Other-Generalized-Linear-Models-by-Tim-Futing-Liao.pdf
    • http://loaminoo.linkpc.net/7094094090092098/Generalized-Linear-Models-Monographs-on-Statistics-and-Applied-Probability-by-P-McCullagh.pdf
    • http://loaminoo.linkpc.net/1090096092098090091/International-Harvester-Farmall-Shop-Manual-Models-766-826-966-1026-1066-Models-454-464-484-574-584-674-Models-786-886-986-1086-by-I-amp-T-Shop-Service.pdf
    • http://loaminoo.linkpc.net/7096096091093091/Designing-with-Models-A-Studio-Guide-to-Making-and-Using-Architectural-Design-Models-by-Criss-B-Mills.pdf
    • http://loaminoo.linkpc.net/1090097091098090097/Null-Models-In-Ecology-by-Nicholas-J-Gotelli.pdf
    • http://loaminoo.linkpc.net/9096095099092094/Computer-Models-of-Mind-by-Margaret-A-Boden.pdf
    • http://loaminoo.linkpc.net/8094091094095091/Stats-Data-and-Models-by-Richard-D-De-Veaux.pdf
    • http://loaminoo.linkpc.net/7094096098090090/Dynamic-Models-of-Oligopoly-by-Drew-Fudenberg.pdf
    • http://loaminoo.linkpc.net/5092097096098099/Concepts-Techniques-and-Models-of-Computer-Programming-by-Peter-Van-Roy.pdf
    • http://loaminoo.linkpc.net/6099098092095097/Bayesian-Inference-in-Dynamic-Econometric-Models-by-Luc-Bauwens.pdf
    • http://loaminoo.linkpc.net/2090093090092097/For-Pleasure-or-Marriage-Models-amp-Millionaires-1-by-Julia-James.pdf
    • http://loaminoo.linkpc.net/9092092097096098/The-Value-of-Signals-in-Hidden-Action-Models-by-Wendelin-Schnedler.pdf
    • http://loaminoo.linkpc.net/2091091099091090/Lover-s-Muse-The-Art-Models-Club-1-by-Amanda-Meadows.pdf
    • http://loaminoo.linkpc.net/1091097097094096095/Between-Generations-Family-Models-Myths-and-Memories-by-Daniel-Bertaux.pdf
    • http://loaminoo.linkpc.net/5098094092094090/Anticancer-Agents-Based-on-Natural-Product-Models-by-John-M-Cassady.pdf
    • http://loaminoo.linkpc.net/6094090097094095/Christ-Centered-Sermons-Models-of-Redemptive-Preaching-by-Bryan-Chapell.pdf
    • http://loaminoo.linkpc.net/9092096097092098/Markov-Models-for-Pattern-Recognition-From-Theory-to-Applications-by-Gernot-A-Fink.pdf
    • http://loaminoo.linkpc.net/8093097093098091/Regression-Models-for-Categorical-and-Limited-Dependent-Variables-by-J-Scott-Long.pdf
    • http://loaminoo.linkpc.net/1091095090092093091/An-Essay-Concerning-Sociocultural-Evolution-Theoretical-Principles-and-Mathematical-Models-by-J-rgen-Kl-ver.pdf
    • http://loaminoo.linkpc.net/1091093092092098095/Thomas-Schtte-Big-Buildings-Models-and-Views-1980-2010-by-Rainald-Schumacher.pdf