Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e2ad5e4234dcdc7…

MALICIOUS

PDF

18.6 KB Created: 2019-05-02 01:02:23 +01:00 Authoring application: mPDF 5.7
MD5: 9e434c00368c17930cefe4ba9233c291 SHA-1: de03d10762b05448780e04e3cea605c41a1a9f1b SHA-256: 5e2ad5e4234dcdc76e79908aff1ac6f11fab2f637b2efda545ffb5562853ed52
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 extracted, the sheer volume of links and the heuristic firing suggest an attempt to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/9090093093095092/Morton-Hall-by-Elizabeth-Gaskell.pdf
    • http://loaminoo.linkpc.net/3094098096098096/Wylding-Hall-by-Elizabeth-Hand.pdf
    • http://loaminoo.linkpc.net/8098098098097097/Verf-hrung-Die-Frauen-von-Belfield-Hall-by-Elizabeth-Anthony.pdf
    • http://loaminoo.linkpc.net/9099099094092/Between-a-Mother-and-Her-Child-by-Elizabeth-Noble.pdf
    • http://loaminoo.linkpc.net/1091090092097093/The-Child-from-the-Sea-Part-1-of-2-by-Elizabeth-Goudge.pdf
    • http://loaminoo.linkpc.net/4096098096098/Destiny-Child-of-the-Sky-Symphony-of-Ages-3-by-Elizabeth-Haydon.pdf
    • http://loaminoo.linkpc.net/4095093097092096/Raising-the-Perfect-Child-Through-Guilt-and-Manipulation-by-Elizabeth-Beckwith.pdf
    • http://loaminoo.linkpc.net/3099099096091090/The-No-Cry-Potty-Training-Solution-Gentle-Ways-to-Help-Your-Child-Say-Good-Bye-to-Diapers-Gentle-Ways-to-Help-Your-Child-Say-Good-Bye-to-Diapers-by-Elizabeth-Pantley.pdf
    • http://loaminoo.linkpc.net/8099094096091/Gad-s-Hall-The-Haunting-of-Gad-s-Hall-Gad-s-Hall-1-2-by-Norah-Lofts.pdf
    • http://loaminoo.linkpc.net/4091090091090/The-Wolves-of-Willoughby-Chase-The-Wolves-Chronicles-1-by-Joan-Aiken.pdf
    • http://loaminoo.linkpc.net/5090092092097090/The-Wolves-of-Willoughby-Chase-The-Wolves-Chronicles-1-by-Joan-Aiken.pdf
    • http://loaminoo.linkpc.net/4098090095098098/A-Cougar-Among-Wolves-Black-Hills-Wolves-45-by-Kali-Willows.pdf
    • http://loaminoo.linkpc.net/2092093095090098/Sebastian-s-Wolves-Among-Wolves-1-by-Valentina-Heart.pdf
    • http://loaminoo.linkpc.net/1090093098092091091/Heauen-Vpon-Earth-Or-of-True-Peace-and-Tranquillity-of-Minde-by-IOS-Hall-1609-by-Joseph-Hall.pdf
    • http://loaminoo.linkpc.net/2095096092093098/The-Temptation-of-Elizabeth-Tudor-Elizabeth-I-Thomas-Seymour-and-the-Making-of-a-Virgin-Queen-by-Elizabeth-Norton.pdf
    • http://loaminoo.linkpc.net/1091092098094098/Hex-Hall-Hex-Hall-1-by-Rachel-Hawkins.pdf
    • http://loaminoo.linkpc.net/3097093096090099/Hex-Hall-Hex-Hall-1-by-Rachel-Hawkins.pdf
    • http://loaminoo.linkpc.net/8093098098092095/Julie-of-the-Wolves-Julie-of-the-Wolves-1-by-Jean-Craighead-George.pdf
    • http://loaminoo.linkpc.net/3099099098097091/Roots-of-Empathy-Changing-the-World-Child-by-Child-by-Mary-Gordon.pdf
    • http://loaminoo.linkpc.net/3095096099099095/When-your-Child-is-6-to-12-Middle-Childhood-Is-The-Last-Good-Chance-To-Hold-Your-Child-Close-by-John-M-Drescher.pdf

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