MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'https://ttraff.cc/wb?keyword=alphabet%20letters%20worksheet'. This indicates the document is designed to redirect users to malicious content, likely for phishing or malware distribution.
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/wb?keyword=alphabet%20letters%20worksheet
- http://files.vontoba.com/uploads/1/3/1/4/131438741/zipunux.pdf
- http://files.notesinthemargin.co.uk/uploads/1/3/0/9/130969357/xubawibinawagaduduze.pdf
- http://files.ccla-ct.org/uploads/1/3/2/6/132681901/rejil.pdf
- http://files.hilltoppertennis.com/uploads/1/3/0/9/130970004/tikazizetugixo_lanubegugopo_barat.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2725/0850/files/96006838601.pdf
- https://cdn.shopify.com/s/files/1/0434/2261/3654/files/32031201842.pdf
- https://cdn.shopify.com/s/files/1/0430/9234/4993/files/tajut.pdf
- https://cdn.shopify.com/s/files/1/0434/6439/2866/files/54920835118.pdf
- https://cdn.shopify.com/s/files/1/0433/5783/1326/files/vitarifuwazajeropeg.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zodotuxufaliga.pdf
- https://cdn.shopify.com/s/files/1/0432/3885/0719/files/don_t_ride_the_white_horse.pdf
- https://cdn.shopify.com/s/files/1/0431/5486/6333/files/48104463785.pdf
- https://cdn.shopify.com/s/files/1/0437/0428/7383/files/74916612159.pdf
- https://cdn.shopify.com/s/files/1/0432/9160/7190/files/zelizu.pdf
- https://cdn.shopify.com/s/files/1/0431/9258/2293/files/kukalimejamo.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_off00006102.bind4eba30f1d5a706867b5a07bfc90cdd618715449b8efe20258f43442a8bf275b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6102 | 5192 bytes |
font_01_sfnt_off000072ad.bin93b35e3c006277abe2443260f28e9e976fe3b41188c5100028808bca6712f123 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72AD | 9852 bytes |
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