Malicious PDF — malware analysis report

Static analysis result for SHA-256 06b1b6a5aaf60e61…

MALICIOUS

PDF

43.1 KB Created: 2019-04-30 17:52:00 +01:00 Authoring application: mPDF 5.7
MD5: 25cb900b485ab9f77e866d7552f66422 SHA-1: 0a31508de5b2db8c965f2deec9e9a09443844b91 SHA-256: 06b1b6a5aaf60e61621f293dfaa78713c3427f673b9c9a64516beb295cffebdb
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 further malicious content. The ML classifier also flagged this PDF as malicious. While the specific intent of the linked PDFs is unclear, the sheer volume and the nature of the heuristic suggest a malicious attempt to manipulate search results or redirect users to harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9572

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/7093094095096099/NEW-Edition-Just-1-hour-Amazing-English-Travelling-Book-Bring-this-book-to-travel-This-book-is-NEW-This-book-includes-7-important-expression-for-travelling-book-by-Takuji-Ekawa.pdf
    • http://loaminoo.linkpc.net/7093094095097093/NEW-Just-1-hour-Amazing-English-Travelling-Book-Bring-this-book-to-travel-This-book-is-NEW-This-book-includes-7-important-expression-for-travelling-by-Takuji-Ekawa.pdf
    • http://loaminoo.linkpc.net/7093094094095091/Edition-1nd-Just-1-hour-Amazing-New-York-Travelling-Book-Bring-this-book-to-travel-This-book-is-NEW-This-book-includes-7-important-expression-for-travelling-by-Takuji-Ekawa.pdf
    • http://loaminoo.linkpc.net/7093094095096091/2nd-Edition-Just-1-hour-Amazing-London-Travelling-Book-Bring-this-book-to-travel-This-book-is-NEW-This-book-includes-7-important-expression-for-travelling-by-Takuji-Ekawa.pdf
    • http://loaminoo.linkpc.net/7093094096095098/Edition-1nd-Just-1-hour-Amazing-Singapore-Travelling-Book-Bring-this-book-to-travel-This-book-is-NEW-This-book-includes-7-important-expression-for-this-book-by-Takuji-Ekawa.pdf
    • http://loaminoo.linkpc.net/7093094096095096/2nd-Edition-Just-1-hour-Amazing-New-Zealand-Travelling-Book-Bring-this-book-to-travel-This-book-is-NEW-This-book-includes-7-important-expression-for-this-book-by-Takuji-Ekawa.pdf
    • http://loaminoo.linkpc.net/7093094096095095/NEW-Edition-Just-1-hour-Amazing-Hawaii-Travelling-Book-Bring-this-book-to-travel-This-book-is-NEW-Edition-This-book-includes-7-important-expression-this-book-by-Takuji-Ekawa.pdf
    • http://loaminoo.linkpc.net/7093094096096096/NEW-Just-1-hour-Amazing-English-Travelling-Book-Bring-this-book-to-travel-NEW-Just-1-hour-Amazing-English-Travelling-Book-Bring-this-book-to-travel-by-Takuji-Ekawa.pdf
    • http://loaminoo.linkpc.net/7093094096095090/New-Just-1-hour-Amazing-Sydney-Travelling-Book-Bring-this-book-to-travel-New-Just-1-hour-Amazing-Sydney-Travelling-Book-Bring-this-book-to-travel-by-Takuji-Ekawa.pdf
    • http://loaminoo.linkpc.net/7093094095095098/Edition-1nd-Just-1-hour-Amazing-Bali-Travelling-Book-Bring-this-book-to-travel-Edition-1nd-Just-1-hour-Amazing-Bali-Travelling-Book-Bring-this-book-to-travel-by-Takuji-Ekawa.pdf
    • http://loaminoo.linkpc.net/7093094095096090/Edition-1nd-Just-1-hour-Amazing-Seattle-Travelling-Book-Bring-this-book-to-travel-Edition-1nd-Just-1-hour-Amazing-Seattle-Travelling-Book-Bring-to-travel-by-Takuji-Ekawa.pdf
    • http://loaminoo.linkpc.net/7093094096094099/Vancouver-English-Amazing-English-Travelling-Book-Bring-this-book-to-travel-Vancouver-English-Amazing-English-Travelling-Book-Bring-this-book-to-travel-by-Takuji-Ekawa.pdf
    • http://loaminoo.linkpc.net/1090094095099093094/Septimus-Heap-Complete-Collection-Book-One-Magyk-Book-Two-Flyte-Book-Three-Physik-Book-Four-Queste-Book-Five-Syren-Book-Six-Darke-Book-Seven-Fyre-The-Magykal-Papers-The-Darke-Toad-by-Angie-Sage.pdf
    • http://loaminoo.linkpc.net/7098093098093091/Once-Upon-a-Fairytale-6x9-Notebook-Journal-Diary-Keepsake-Book-Sketchbook-Travel-Journal-Meditation-Journal-Yoga-Journal-Planner-Organizer-Calligraphy-Book-Composition-Book-100-Lined-Pages-with-Dates-by-Judy-Sery-Barski.pdf
    • http://loaminoo.linkpc.net/1091091097090099099/Travelling-Northern-Evia-Discover-island-of-Evia-Book-1-by-ALEXANDROS-KALEMIS.pdf
    • http://loaminoo.linkpc.net/1096092098093090/The-Fine-Art-of-Deception-A-Time-Travel-Romance-Book-Series-Book-1-by-Alyssa-Richards.pdf
    • http://loaminoo.linkpc.net/6096098091099098/Jane-Eyre-Annotated-Special-Edition-Includes-Audio-Book-Full-Length-Film-and-Videos-The-Bronte-Collection-Book-1-by-Charlotte-Bront-.pdf
    • http://loaminoo.linkpc.net/7090090091092092/Asterix-and-Obelix-Coloring-Book-Coloring-Book-for-Kids-and-Adults-This-Amazing-Coloring-Book-Will-Make-Your-Kids-Happier-and-Give-Them-Joy-Best-Books-for-Adults-and-Kids-2-4-4-8-8-12-by-Emma-Kovtun.pdf
    • http://loaminoo.linkpc.net/7093091099094090/Frankenstein-or-The-Modern-Prometheus-Companion-Includes-Study-Guide-Complete-Unabridged-Book-Historical-Context-Biography-Character-Index-and-Unabridged-Book-Annotated-by-Mary-Wollstonecraft-Shelley.pdf
    • http://loaminoo.linkpc.net/4097099092090097/No-One-Quite-Like-Me-Free-audio-book-included-Children-s-bedtime-rhyming-picture-story-book-Preschool-book-for-kids-ages-2-4-by-Christina-McDonald.pdf

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