Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ffc76c685d49ab3…

MALICIOUS

PDF

20.9 KB Created: 2019-04-30 04:34:12 +01:00 Authoring application: mPDF 5.7
MD5: 614eddd8989f824e2d3b9afb2a5039da SHA-1: 58ea16547bec599980d24fdc0c32db4ba4ea2877 SHA-256: 2ffc76c685d49ab393538fd2f5d44ceb54984a281fff2851062980ee3e8f97af
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified as a PDF_SEO_LINK_FARM heuristic. While the specific URLs extracted are currently marked as benign, the sheer volume and structure suggest a malicious intent, possibly for SEO poisoning or to distribute further malicious content. No scripts were extracted, and the document body was unreadable, limiting further analysis of the exact payload or delivery mechanism.

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/6092091090099093/Science-of-Education-PT-Iib-Chapters-10-12-The-Awareness-of-Mathematization-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092091090094095/Awareness-of-Awareness-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092090099092094/Notes-on-the-Gattegno-Approach-to-Math-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092091091090097/Eight-Tales-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092091090099099/The-Adolescent-and-His-Will-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092091090094097/Can-I-Be-Creative-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092091090095090/On-Being-Freer-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092090099096099/Short-Passages-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092091090093096/Evolution-and-Memory-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092091090095092/A-Thousand-Sentences-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092091090095091/Know-Your-Children-as-They-Are-A-Book-for-Parents-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092091090093097/Algebricks-Exercise-Workbooks-1-6-Set-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092090099093096/Towards-a-Visual-Culture-Educating-Through-Television-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092091091091092/Mathematics-with-Numbers-in-Colour-Book-VI-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/6092090099092098/Teaching-Foreign-Languages-in-Schools-the-Silent-Way-by-Caleb-Gattegno.pdf
    • http://loaminoo.linkpc.net/7091098098092092/Talk-Matters-Saving-the-World-One-Word-at-a-Time-Solving-Complex-Issues-Through-Brain-Science-Mindful-Awareness-and-Effective-Process-by-Mary-V-Gelinas.pdf
    • http://loaminoo.linkpc.net/8098092095090/The-Science-of-Education-Back-to-School-by-Scientific-American.pdf
    • http://loaminoo.linkpc.net/1091094090097097095/The-Science-of-Education-Vol-1-of-2-In-Its-Sociological-and-Historical-Aspects-by-Otto-Willmann.pdf
    • http://loaminoo.linkpc.net/2093096091098092/Reason-in-the-Balance-The-Case-Against-Naturalism-in-Science-Law-Education-by-Phillip-E-Johnson.pdf
    • http://loaminoo.linkpc.net/1090090098099096/An-Underground-Education-The-Unauthorized-and-Outrageous-Supplement-to-Everything-You-Thought-You-Knew-About-Art-Sex-Business-Crime-Science-Medicine-and-Other-Fields-of-Human-Knowledge-by-Richard-Zacks.pdf
    • http://loaminoo.linkpc.net/6092091090093097/Algebr

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