Malicious PDF — malware analysis report

Static analysis result for SHA-256 9cb84d965c523629…

MALICIOUS

PDF

32.0 KB Created: 2020-03-14 00:20:22 +00:00 Authoring application: mPDF 5.7
MD5: fd85f97607d2c2c5d8a54212181fc555 SHA-1: c77d6516783ce9c3d9281a69faa7ea53f55e6054 SHA-256: 9cb84d965c52362929e171a1cff690ac5bac8179ddb953f74411c7c3ebe42214
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These URLs point to external domains and appear to be part of a link farm, suggesting a tactic to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9670

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://ieuicufioao.myhome.cx/2556556552551553/The-Language-of-Art-Inquiry-Based-Studio-Practices-in-Early-Childhood-Settings-by-Ann-Pelo.pdf
    • http://ieuicufioao.myhome.cx/3555552559555550/Diversity-and-Difference-in-Early-Childhood-Education-Issues-for-Theory-and-Practice-by-Kerry-Robinson.pdf
    • http://ieuicufioao.myhome.cx/7553557554550557/Early-Childhood-Matters-Evidence-from-the-Effective-Pre-School-and-Primary-Education-Project-by-Kathy-Sylva.pdf
    • http://ieuicufioao.myhome.cx/5558557552551552/Upon-What-Does-the-Turtle-Stand-Rethinking-Education-for-the-Digital-Age-by-Aharon-Aviram.pdf
    • http://ieuicufioao.myhome.cx/4555559554559554/Sung-Under-the-Silver-Umbrella-by-International-Association-for-Childhood-Education.pdf
    • http://ieuicufioao.myhome.cx/9553556559552554/50-Early-Childhood-Literacy-Strategies-by-Janice-Beaty.pdf
    • http://ieuicufioao.myhome.cx/8556559553553557/Winning-Ways-for-Early-Childhood-Professionals-Understanding-Infants-by-Gigi-Schweikert.pdf
    • http://ieuicufioao.myhome.cx/8556559553553558/Becoming-a-Team-Player-3-pack-Winning-Ways-for-Early-Childhood-Professionals-by-Gigi-Schweikert.pdf
    • http://ieuicufioao.myhome.cx/8556559553553554/Winning-Ways-for-Early-Childhood-Professionals-Understanding-Toddlers-and-Twos-by-Gigi-Schweikert.pdf
    • http://ieuicufioao.myhome.cx/8556559552554554/Understanding-Preschoolers-3-pack-Winning-Ways-for-Early-Childhood-Professionals-by-Gigi-Schweikert.pdf
    • http://ieuicufioao.myhome.cx/6550557555551558/On-the-Early-Education-of-the-Citizen-Orator-Books-1-2-10-by-Marcus-Fabius-Quintilianus.pdf
    • http://ieuicufioao.myhome.cx/3555552551557556/Learning-Stories-Constructing-Learner-Identities-in-Early-Education-by-Margaret-Carr.pdf
    • http://ieuicufioao.myhome.cx/5556557554558/One-Child-Two-Languages-A-Guide-for-Early-Childhood-Educators-of-Children-Learning-English-as-a-Second-Language-Second-Edition-by-Patton-O-Tabors.pdf
    • http://ieuicufioao.myhome.cx/8556559554557555/Understanding-Infants-Toddlers-amp-Twos-and-Preschoolers-3-pack-Winning-Ways-for-Early-Childhood-Professionals-by-Gigi-Schweikert.pdf
    • http://ieuicufioao.myhome.cx/6557556552557557/Mathematics-Education-in-the-Early-Years-Results-from-the-Poem3-Conference-2016-by-Christiane-Benz.pdf
    • http://ieuicufioao.myhome.cx/8557556559556555/The-Grass-Roof-and-The-Yalu-Flows-Two-autobiographies-of-early-childhood-and-young-manhood-days-in-Korea-at-the-beginning-of-the-century-The-Norton-Library-N766-by-Younghill-Kang.pdf
    • http://ieuicufioao.myhome.cx/8556559554556551/Supporting-Positive-Behavior-Responding-to-Behavior-Guiding-Challenging-Behavior-Assorted-Pack-Winning-Ways-for-Early-Childhood-Professionals-by-Gigi-Schweikert.pdf
    • http://ieuicufioao.myhome.cx/3551553556553558/Early-Reading-Challenge-2-15-Books-in-1-Bedtime-story-Adventure-Animal-stories-Teach-Values-Book-Funny-free-story-prime-Rhymes-Fantasy-Education-by-Betty-J-Byers.pdf
    • http://ieuicufioao.myhome.cx/3551552558552558/Early-Reading-Challenge-3-15-Books-in-1-Bedtime-story-Beginner-readers-Animal-stories-Teach-Values-Book-Funny-free-story-prime-Rhymes-Fantasy-Education-by-Betty-J-Byers.pdf
    • http://ieuicufioao.myhome.cx/8555554553552558/Preparing-Early-Childhood-Professionals-Naeyc-s-Standards-for-Programs-Naeyc-s-Standards-for-Initial-Licensure-Advanced-and-Associate-Degree-Programs-by-Marilou-Hyson.pdf
    • http://ieuicufioao.myhome.cx/5558557552551552/

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