Malicious PDF — malware analysis report

Static analysis result for SHA-256 087cb468c5dd4062…

MALICIOUS

PDF

15.1 KB Created: 2019-05-02 02:17:33 +01:00 Authoring application: mPDF 5.7
MD5: 747e62c1c49812a8ed2b752163c4d87d SHA-1: 650a7ae75c455355b425e67b3440bec5c478e0ca SHA-256: 087cb468c5dd40628dafa4d8a7984181cd989777ef4e94ee57e2268ed60cfaab
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or distribute potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/6096099094097093/Dallas-Billionaires-Bundle-Dallas-Billionaires-1-3-by-Kirsten-Osbourne.pdf
    • http://loaminoo.linkpc.net/1097099096093090/Her-Two-Billionaires-Her-Billionaires-3-by-Julia-Kent.pdf
    • http://loaminoo.linkpc.net/2092092097094095/The-Barefoot-Billionaires-A-Barefoot-Bay-Boxed-Set-The-Billionaires-of-Barefoot-Bay-1-3-by-Roxanne-St-Claire.pdf
    • http://loaminoo.linkpc.net/1092093090095091/Making-Me-Believe-by-Kirsten-Osbourne.pdf
    • http://loaminoo.linkpc.net/8099093098099095/Married-In-Montana-At-the-Altar-1-by-Kirsten-Osbourne.pdf
    • http://loaminoo.linkpc.net/4096092098091095/Baker-s-Bob-River-s-End-Ranch-16-by-Kirsten-Osbourne.pdf
    • http://loaminoo.linkpc.net/7096096090093092/Call-Me-Valentino-One-Hero-Different-Worlds-by-Kirsten-Osbourne.pdf
    • http://loaminoo.linkpc.net/4090090094097097/Mail-Order-Mayhem-Brides-of-Beckham-1-by-Kirsten-Osbourne.pdf
    • http://loaminoo.linkpc.net/4096093097098097/Short-Order-Sheriff-River-s-End-Ranch-1-by-Kirsten-Osbourne.pdf
    • http://loaminoo.linkpc.net/3092099098095099/The-Vow-by-Dallas-Schulze.pdf
    • http://loaminoo.linkpc.net/1091095094094097/When-Nothing-Is-All-You-ve-Got-by-Kirsty-Dallas.pdf
    • http://loaminoo.linkpc.net/1090096097092096090/Together-Always-by-Dallas-Schulze.pdf
    • http://loaminoo.linkpc.net/1097097092/The-Last-Midwife-by-Sandra-Dallas.pdf
    • http://loaminoo.linkpc.net/2090090092091095/The-Calling-by-Dallas-Reed.pdf
    • http://loaminoo.linkpc.net/4096097096097092/Tallgrass-by-Sandra-Dallas.pdf
    • http://loaminoo.linkpc.net/9090092099/Ensnared-The-Accidental-Billionaires-1-by-J-S-Scott.pdf
    • http://loaminoo.linkpc.net/3099096092099097/Falling-For-Ava-British-Billionaires-2-by-Pamela-Ann.pdf
    • http://loaminoo.linkpc.net/3093093090098092/I-Want-To-Be-Yours-British-Billionaires-Book-1-by-D-M-Mortier.pdf
    • http://loaminoo.linkpc.net/2090098092096097/Bad-Billionaire-Bad-Billionaires-1-by-Julie-Kriss.pdf
    • http://loaminoo.linkpc.net/2098091099090093/Chased-How-Not-to-be-Seduced-by-Billionaires-1-by-Marian-Tee.pdf

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