MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which, 'https://ttraff.cc/pify?keyword=prime+factorization+worksheets+grade+6', is identified as a malicious redirector. The document body, though heavily obfuscated, suggests a lure related to educational materials ('prime factorization worksheets grade 6'). The presence of numerous external links, many pointing to Shopify domains hosting PDFs, indicates a link farm or content distribution strategy, likely to obscure the malicious redirector. The ML classifier strongly flagged this PDF as malicious.
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.cc/pify?keyword=prime+factorization+worksheets+grade+6
- http://files.frontierguardians.com/uploads/1/3/2/6/132681294/nemimenarujol.pdf
- http://files.bromswoldbikefest.org/uploads/1/3/1/3/131381722/xefit.pdf
- http://files.ccscsings.org/uploads/1/3/2/7/132710676/5c8cc49.pdf
- http://files.keepanopenmind.net/uploads/1/3/0/8/130814642/354913.pdf
- http://files.yourfootheadquarters.com/uploads/1/3/1/3/131383738/fededevene_finivavub_ninak.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/4895/1194/files/totoxanojipovixenirukegab.pdf
- https://cdn.shopify.com/s/files/1/0432/8076/0990/files/17855994582.pdf
- https://cdn.shopify.com/s/files/1/0434/8733/0464/files/81949357708.pdf
- https://cdn.shopify.com/s/files/1/0432/3000/3358/files/sesotepoxosuv.pdf
- https://cdn.shopify.com/s/files/1/0428/8443/2031/files/xisoweraxogubipemom.pdf
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/vokuzireni.pdf
- https://cdn.shopify.com/s/files/1/0437/3970/9589/files/tabakejub.pdf
- https://cdn.shopify.com/s/files/1/0430/4571/6129/files/wumufegafivi.pdf
- https://cdn.shopify.com/s/files/1/0437/9430/1085/files/segurimisupulobunejunuj.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_off00006f49.binf5c6aa20024c5c41884001f20e40c7929cd0c77edf2adf831fb4b67f469aeffb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F49 | 5552 bytes |
font_01_sfnt_off0000820a.bind5d97f4470683b2e7d950f43b3c9d562f280247f443461e7fcf0da754e5af56e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x820A | 9936 bytes |
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