MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which point to potentially malicious redirectors, disguised as educational content. The primary malicious URL identified is https://ttraff.com/pify?keyword=antonyms+worksheets+for+grade+6+with+answers, which is likely used to redirect users to further malicious sites. The ML classifier strongly indicated maliciousness, supporting the heuristic findings.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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 https://ttraff.com/pify?keyword=antonyms+worksheets+for+grade+6+with+answers
- http://gebed.mesastreetmercantile.com/uploads/1/3/1/0/131070590/594ae7a80f9.pdf
- http://files.sachemeastlacrosse.com/uploads/1/3/0/9/130969356/nolexunerakusopivuj.pdf
- http://files.mrstewartsphysicalscience.com/uploads/1/3/2/6/132681931/goxetimira-bewoxabulesilom.pdf
- http://tewijalex.arkvetclinic.com/uploads/1/3/1/0/131070450/8766287.pdf
- http://legowo.thelearningkirb.com/uploads/1/3/1/0/131069839/zuwad.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/6596/6741/files/sufeboros.pdf
- https://cdn.shopify.com/s/files/1/0431/2599/7722/files/3245585430.pdf
- https://cdn.shopify.com/s/files/1/0431/2694/8001/files/90865855227.pdf
- https://cdn.shopify.com/s/files/1/0433/7254/4150/files/arabya_rajani_bengali.pdf
- https://cdn.shopify.com/s/files/1/0430/8543/0945/files/nobotimu.pdf
- https://cdn.shopify.com/s/files/1/0431/7505/1421/files/91651643417.pdf
- https://cdn.shopify.com/s/files/1/0428/8384/2215/files/30946057804.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000631a.bincdb2005e49e00a0a9e32dce808a9b543bf623ce215667870d0738b79cc3285ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x631A | 5692 bytes |
font_01_sfnt_off00007666.bin8bf059d0d148c53011c3ed2016824446055c095f9db582bd12d807a95df0e686 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7666 | 10568 bytes |
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