MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded URLs, with a critical heuristic identifying a link to a known malicious redirector at 'ttraff.com'. The document body, though partially corrupted, contains text related to a 'pet practice test' and the malicious URL, suggesting a lure. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy, likely to obscure the malicious redirector.
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=pet+practice+test+listening+with+answers
- http://files.burtonsmaplewoodfarm.com/uploads/1/3/1/6/131637037/90a6f278.pdf
- http://guguvuj.mathwithmichellemallahi.com/uploads/1/3/1/4/131438216/938773.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/4930/3720/files/4262587222.pdf
- https://cdn.shopify.com/s/files/1/0434/9417/8982/files/73767072427.pdf
- https://cdn.shopify.com/s/files/1/0431/3884/2779/files/79488478761.pdf
- https://cdn.shopify.com/s/files/1/0428/8941/2767/files/39756864101.pdf
- https://cdn.shopify.com/s/files/1/0432/9072/2469/files/boogie_nights_movie_in_480p.pdf
- https://cdn.shopify.com/s/files/1/0435/9513/7187/files/cushman_wakefield_market_research_reports.pdf
- https://cdn.shopify.com/s/files/1/0434/3382/0322/files/lurojiji.pdf
- https://cdn.shopify.com/s/files/1/0434/0196/9820/files/kaltura_capturespace_lite.pdf
- https://cdn.shopify.com/s/files/1/0432/8567/6192/files/19683917736.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_off00004700.bin225d1f562b493b86c954d57e4c348d044e5bfe19c2b3db03995e19b6f89700a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4700 | 5288 bytes |
font_01_sfnt_off000058fc.binef156d036c2de2f60c819742d27907cef3dbf6a86ce9bb7dc4f29f958ef491fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58FC | 9724 bytes |
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