Malicious PDF — malware analysis report

Static analysis result for SHA-256 0cfd5aa5d8a97a5c…

MALICIOUS

PDF

15.6 KB Created: 2019-05-02 02:26:06 +01:00 Authoring application: mPDF 5.7
MD5: 253d5fc93c25688bfea128d527d37e61 SHA-1: 705ad58e04382f3081fa6ccf6ef5b02cd143e1c9 SHA-256: 0cfd5aa5d8a97a5c042b123065b6a62d981e2dba655e2370d34f11f34ee2cf8f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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/3092099095/Quiet-Power-The-Secret-Strengths-of-Introverts-by-Susan-Cain.pdf
    • http://loaminoo.linkpc.net/7098096099096091/Quiet-il-potere-degli-introversi-in-un-mondo-che-non-sa-smettere-di-parlare-by-Susan-Cain.pdf
    • http://loaminoo.linkpc.net/5092095099090095/La-force-des-discrets-le-pouvoir-des-introvertis-dans-un-monde-trop-bavard-by-Susan-Cain.pdf
    • http://loaminoo.linkpc.net/1091093092096098/The-Mark-of-Cain-The-Cain-Chronicles-1-by-A-D-Seeley.pdf
    • http://loaminoo.linkpc.net/8094095090090091/Events-for-Introverts-The-how-to-guide-to-networking-by-Janice-Chaka.pdf
    • http://loaminoo.linkpc.net/1093091091092/Kid-Power-by-Susan-Beth-Pfeffer.pdf
    • http://loaminoo.linkpc.net/3095098098091099/The-Grass-Dancer-by-Susan-Power.pdf
    • http://loaminoo.linkpc.net/1093093099093/The-Higher-Power-of-Lucky-The-Hard-Pan-Trilogy-1-by-Susan-Patron.pdf
    • http://loaminoo.linkpc.net/2092095099090093/The-Secret-to-Teen-Power-by-Paul-Harrington.pdf
    • http://loaminoo.linkpc.net/1099099097095/Staying-Power-Long-Term-Lesbian-Couples-by-Susan-E-Johnson.pdf
    • http://loaminoo.linkpc.net/1094097093090/Susan-s-Secret-by-Hildreth-T-Wriston.pdf
    • http://loaminoo.linkpc.net/2090092099094090/Secret-Admirer-by-Susan-Napier.pdf
    • http://loaminoo.linkpc.net/9094096092096/Shhh-It-s-a-Secret-The-Power-of-Deliverance-by-Yolanda-Lewis.pdf
    • http://loaminoo.linkpc.net/1090092094099097097/Wolflings-A-not-so-secret-society-Volume-1-by-Ashley-Power.pdf
    • http://loaminoo.linkpc.net/2096099098096095/The-Secret-Power-of-Speaking-God-s-Word-by-Joyce-Meyer.pdf
    • http://loaminoo.linkpc.net/5098090097093/The-Cain-Casey-Series-Volume-1-Cain-Casey-1-3-by-Ali-Vali.pdf
    • http://loaminoo.linkpc.net/2092092098099092/Return-to-the-Secret-Garden-by-Susan-Moody.pdf
    • http://loaminoo.linkpc.net/4093098093096099/NYC-Angels-The-Wallflower-s-Secret-by-Susan-Carlisle.pdf
    • http://loaminoo.linkpc.net/1097098099099096/ATTRACTING-FOR-OTHERS-A-NEVER-BEFORE-REVEALED-SECRET-POWER-TO-THE-LAW-OF-ATTRACTION-by-Mathew-Dixon.pdf
    • http://loaminoo.linkpc.net/1092099096093096/The-Secret-Ingredient-of-Wishes-by-Susan-Bishop-Crispell.pdf

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