Malicious PDF — malware analysis report

Static analysis result for SHA-256 a178bd1f2af3a5ba…

MALICIOUS

PDF

15.8 KB Created: 2019-04-30 01:54:29 +01:00 Authoring application: mPDF 5.7
MD5: 74374df305a9f03f790004c78da236a8 SHA-1: 853cfdf2b26d2acc84e33aeb6491505d8b86e094 SHA-256: a178bd1f2af3a5bab9a8c971656a72775fe621bdb164998c6b042232f7c3b889
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which suggests an attempt to manipulate search engine results or redirect users to potentially malicious content. While the URLs themselves are currently marked as benign, the sheer volume and structure indicate a suspicious pattern. No scripts were extracted from this sample.

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/8094090093094097/Dark-Tide-Rising-William-Monk-24-by-Anne-Perry.pdf
    • http://loaminoo.linkpc.net/8091098096098/Funeral-in-Blue-William-Monk-12-by-Anne-Perry.pdf
    • http://loaminoo.linkpc.net/3092092095090092/A-Dangerous-Mourning-William-Monk-2-by-Anne-Perry.pdf
    • http://loaminoo.linkpc.net/1091095092096091094/Blood-on-the-Water-William-Monk-20-by-Anne-Perry.pdf
    • http://loaminoo.linkpc.net/2092095096093093/Acceptable-Loss-William-Monk-17-by-Anne-Perry.pdf
    • http://loaminoo.linkpc.net/3091096095094/The-Face-of-a-Stranger-William-Monk-1-by-Anne-Perry.pdf
    • http://loaminoo.linkpc.net/3093092096096096/The-Sins-of-the-Wolf-William-Monk-5-by-Anne-Perry.pdf
    • http://loaminoo.linkpc.net/3093092096097097/A-Sudden-Fearful-Death-William-Monk-4-by-Anne-Perry.pdf
    • http://loaminoo.linkpc.net/7093098098095098/Revenge-in-a-Cold-River-William-Monk-22-by-Anne-Perry.pdf
    • http://loaminoo.linkpc.net/4096095093094093/The-Dark-Is-Rising-The-Dark-is-Rising-2-by-Susan-Cooper.pdf
    • http://loaminoo.linkpc.net/2099092095097095/The-Rising-Tide-by-Molly-Keane.pdf
    • http://loaminoo.linkpc.net/1092095094097090/Rising-Tide-by-Susan-Roebuck.pdf
    • http://loaminoo.linkpc.net/3090093093096092/Rising-Tide-Sirens-1-by-T-L-Zalecki.pdf
    • http://loaminoo.linkpc.net/1090099091099092/Beyond-the-Rising-Tide-by-Sarah-Beard.pdf
    • http://loaminoo.linkpc.net/4096099097090091/Anne-Perry-s-Christmas-Vigil-A-Christmas-Promise-A-Christmas-Odyssey-Christmas-Stories-7-8-by-Anne-Perry.pdf
    • http://loaminoo.linkpc.net/1097097097092090/Tide-Players-The-Movers-and-Shakers-of-a-Rising-China-by-Jianying-Zha.pdf
    • http://loaminoo.linkpc.net/3096090099097098/Strands-of-Sorrow-Black-Tide-Rising-4-by-John-Ringo.pdf
    • http://loaminoo.linkpc.net/3093091099091092/West-Pacific-Supers-Rising-Tide-by-K-M-Johnson-Weider.pdf
    • http://loaminoo.linkpc.net/3097091099092090/To-Sail-a-Darkling-Sea-Black-Tide-Rising-2-by-John-Ringo.pdf
    • http://loaminoo.linkpc.net/8091096096098/Three-Novels-of-World-War-II-The-Rising-Tide-The-Steel-Wave-No-Less-Than-Victory-by-Jeff-Shaara.pdf
    • http://loaminoo.linkpc.net/1090099091099092/Beyond-the-Rising-

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