Malicious PDF — malware analysis report

Static analysis result for SHA-256 0cf64aff208c6564…

MALICIOUS

PDF

29.2 KB Created: 2019-05-02 16:27:31 +01:00 Authoring application: mPDF 5.7
MD5: ab8015782bcb166db89f10abddadca46 SHA-1: 57034556e4f10ea62bdb9b98f6fe3ba9ef97487a SHA-256: 0cf64aff208c6564c94857833bbbce9e869a7325a8baf92a57f2afa91c526a9f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a link farm. While the document body is heavily obfuscated, the heuristic indicates these links are likely intended to direct users to external sites, potentially for SEO manipulation or to host further malicious content. No scripts were extracted, but the presence of numerous URLs suggests a watering hole or phishing-like attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

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/2099093097090097/Dokudami-Tenement---Volume-1-by-Takashi-Fukutani.pdf
    • http://loaminoo.linkpc.net/1094093095096095/97-Orchard-An-Edible-History-of-Five-Immigrant-Families-in-One-New-York-Tenement-by-Jane-Ziegelman.pdf
    • http://loaminoo.linkpc.net/1092099096092096/The-Guest-Cat-by-Takashi-Hiraide.pdf
    • http://loaminoo.linkpc.net/4099095094092096/Cloud-of-Sparrows-by-Takashi-Matsuoka.pdf
    • http://loaminoo.linkpc.net/2099098099095094/Cloud-Of-Sparrows-by-Takashi-Matsuoka.pdf
    • http://loaminoo.linkpc.net/8090093096096099/Water-Reuse-Issues-Technologies-and-Applications-by-Takashi-Asano.pdf
    • http://loaminoo.linkpc.net/5095096096097095/Art-Tea-and-Industry-Masuda-Takashi-and-the-Mitsui-Circle-by-Christine-M-E-Guth.pdf
    • http://loaminoo.linkpc.net/5093093096090097/The-Making-of-the-Rape-of-Nanking-History-and-Memory-in-Japan-China-and-the-United-States-by-Takashi-Yoshida.pdf
    • http://loaminoo.linkpc.net/1091092091093097094/Type-Moon---Takashi-Takeuchi-Fate-Hollow-Ataraxia-Fate-Stay-Night-Kagetsu-Tohya-Kara-No-Kyoukai-Melty-Blood-Notes-Tsukihime-Ahnenerbe-Archer-Assassin-Berserker-Caster-Enkidu-Excalibur-Hrunting-Lancer-Master-Rider-Saber-Verg-Avesta-Ahn-by-Source-Wikia.pdf
    • http://loaminoo.linkpc.net/8099090097098090/Chemistry-and-Chemical-Reactivity-Eighth-Edition-Volume-1-Volume-1-by-John-C-Kotz.pdf
    • http://loaminoo.linkpc.net/2095090090098093/Bomaw-Volume-Two-The-Beauty-Of-Man-And-Woman-Volume-2-by-Mercedes-Keyes.pdf
    • http://loaminoo.linkpc.net/2095092096090095/Daredevil-Volume-14-The-Devil-Inside-and-Out-Volume-1-by-Ed-Brubaker.pdf
    • http://loaminoo.linkpc.net/1099090093092098/Classical-Adlerian-Depth-Psychotherapy-Volume-I---Theory-and-Practice-A-Socratic-Approach-to-Democratic-Living-Volume-1-by-Henry-T-Stein.pdf
    • http://loaminoo.linkpc.net/4099096093092090/Old-English-Syntax-2-Volumes-Volume-I-Concord-the-Parts-of-Speech-and-the-Sentence-Volume-II-Subordination-Independent-Elements-and-Element-Order-by-Bruce-Mitchell.pdf
    • http://loaminoo.linkpc.net/7090097093094092/Dio-s-Rome-Volume-2-An-Historical-Narrative-Originally-Composed-in-Greek-During-the-Reigns-of-Septimius-Severus-Geta-and-Caracalla-Macrinus-Elagabalus-Volume-Extant-Books-36-44-B-C-69-44-by-Cassius-Dio.pdf
    • http://loaminoo.linkpc.net/1090096091090093098/Anthology-of-American-Literature-Volume-1-Third-Edition-and-Boyer-Enduring-Vision-Concise-Volume-1-3rd-Edition-by-Lauter.pdf
    • http://loaminoo.linkpc.net/7090096099097094/The-Masterpiece-Library-of-Short-Stories-The-Thousand-Best-Complete-Tales-of-all-Times-and-all-Countries-Volume-V-French-amp-Volume-VI-French-and-Belgian-by-John-Alexander-Hammerton.pdf
    • http://loaminoo.linkpc.net/6093099093096/Volume-A-From-Antiquity-To-1500-Volume-of-McKay-A-History-of-World-Societies-by-John-P-McKay.pdf
    • http://loaminoo.linkpc.net/1098094095098099/Secrets-Volume-6-Secrets-Volume-6-Wyndham-Werewolf-1-by-Angela-Knight.pdf
    • http://loaminoo.linkpc.net/4092093093097095/The-Journal-of-Marie-Bashkirtseff-I-Am-the-Most-Interesting-Book-of-All-Volume-I-amp-Lust-for-Glory-Volume-II-by-Marie-Bashkirtseff.pdf

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