Malicious PDF — malware analysis report

Static analysis result for SHA-256 6575507c037ed42b…

MALICIOUS

PDF

19.2 KB Created: 2019-04-30 05:30:46 +01:00 Authoring application: mPDF 5.7
MD5: e92b4099e913fc5298f25638032a2058 SHA-1: 1462ef8b56e0a9341cb01c55c3b2e12a99b6f790 SHA-256: 6575507c037ed42b4c95899cc4d9fad471dc8f42dd417a3043050ab4ffe28f39
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 spam or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the structure and embedded URLs suggest an attempt to redirect the user 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/1090091090090099/Grey-Fifty-Shades-of-Grey-as-Told-by-Christian-A-11-Minute-HOOOTTTT-summary-by-Bern-Bolo.pdf
    • http://loaminoo.linkpc.net/5097095098095099/Grey---Fifty-Shades-of-Grey-von-Christian-selbst-erz-hlt-Fifty-Shades-4-by-E-L-James.pdf
    • http://loaminoo.linkpc.net/7097095096093/Rising-Strong-The-Reckoning-The-Rumble-The-Revolution-by-Bren-Brown-An-8-Minute-Summary-by-Bern-Bolo.pdf
    • http://loaminoo.linkpc.net/4096092093099/The-7-Day-Flat-Belly-Tea-Cleanse-The-Revolutionary-New-Plan-to-Melt-Up-to-10-Pounds-of-Fat-in-Just-One-Week-by-Kelly-Choi-A-10-minute-Summary-by-Bern-Bolo.pdf
    • http://loaminoo.linkpc.net/5097095098096097/Darker---Fifty-Shades-of-Grey-Gef-hrliche-Liebe-von-Christian-selbst-erz-hlt-Band-2-by-E-L-James.pdf
    • http://loaminoo.linkpc.net/1097091091092090/Meet-Fifty-Shades-Continued---Fifty-Shades-of-Grey-by-G-E-Griffin.pdf
    • http://loaminoo.linkpc.net/6097097092/Darker-Fifty-Shades-as-Told-by-Christian-2-by-E-L-James.pdf
    • http://loaminoo.linkpc.net/1090092091/Grey-Fifty-Shades-4-by-E-L-James.pdf
    • http://loaminoo.linkpc.net/1090091094098094097/Fifty-Shades-of-Grey-by-E-L-James.pdf
    • http://loaminoo.linkpc.net/6091091093093093/Fifty-Shades-of-Grey-Part-2-of-2-by-E-L-James.pdf
    • http://loaminoo.linkpc.net/3090096092096090/The-Fifty-Shades-of-Grey-Phenomena-by-Chloe-Thurlow.pdf
    • http://loaminoo.linkpc.net/7091096093095098/Fifty-Shades-of-Grey-Peninta-apohrosis-tou-Gkri-by-E-L-James.pdf
    • http://loaminoo.linkpc.net/1090095095092095096/Satutettu-Fifty-Shades-of-Grey-Christianin-kertomana-2-by-E-L-James.pdf
    • http://loaminoo.linkpc.net/6098098096092091/Married-Sex-Fifty-Shades-of-Grey-for-Couples-by-Laina-Charleston.pdf
    • http://loaminoo.linkpc.net/3093099092094093/Fifty-Shades-of-Lady-Catherine-Grey-The-Sex-Scandals-that-Shook-the-Tudor-Court-by-T-S-Wiseman.pdf
    • http://loaminoo.linkpc.net/1091092090094094/Shades-of-Grey-Shades-of-Grey-1-by-Jasper-Fforde.pdf
    • http://loaminoo.linkpc.net/3093099090099/Shades-of-Grey-Shades-of-Grey-1-by-Jasper-Fforde.pdf
    • http://loaminoo.linkpc.net/1097096091091095/Shades-of-Grey-Shades-of-Grey-1-by-Jasper-Fforde.pdf
    • http://loaminoo.linkpc.net/7099093094095/Fifty-Shades-Duo-Fifty-Shades-Darker-Fifty-Shades-Freed-Fifty-Shades-2-3-by-E-L-James.pdf
    • http://loaminoo.linkpc.net/3096092092097090/Shades-of-Grey-by-Michael-Cargill.pdf

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