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 resources, including a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/wb?keyword=adjectives%20of%20comparison%20worksheet%20for%20grade%206', which is flagged as malicious. This suggests the document is designed to redirect users to malicious sites under the guise of providing educational content.
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.ru/wb?keyword=adjectives%20of%20comparison%20worksheet%20for%20grade%206
- http://files.chirocure.net/uploads/1/3/1/4/131405948/rolasuralunip.pdf
- http://files.daniel12.com/uploads/1/3/1/1/131164398/giziser.pdf
- http://files.dukeengagedetroit.org/uploads/1/3/1/8/131871501/faluwis.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/9515/5105/files/darinimojij.pdf
- https://cdn.shopify.com/s/files/1/0433/0392/7973/files/xegojukova.pdf
- https://cdn.shopify.com/s/files/1/0440/4301/0213/files/advantages_and_disadvantages_of_free_trade_agreements.pdf
- https://cdn.shopify.com/s/files/1/0454/2988/3048/files/cryogenic_engine_ppt.pdf
- https://cdn.shopify.com/s/files/1/0437/5235/8049/files/20076008685.pdf
- https://cdn.shopify.com/s/files/1/0433/2912/6550/files/magibe.pdf
- https://cdn.shopify.com/s/files/1/0431/2452/3170/files/skyrim_grand_soul_gem.pdf
- https://cdn.shopify.com/s/files/1/0437/3151/7592/files/nojigo.pdf
- https://cdn.shopify.com/s/files/1/0427/4782/2236/files/23648296605.pdf
- https://cdn.shopify.com/s/files/1/0435/3556/4959/files/veval.pdf
- https://cdn.shopify.com/s/files/1/0434/8562/6520/files/business_model_generation_drive.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_off000044f8.bin87556c25442fe92debc83e7aacdf81a433731c0d7c6f9646889f524b16d3f3c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x44F8 | 5972 bytes |
font_01_sfnt_off0000593d.bin5ea18c5c325a58f73c491556a471024e9f440f3764b5353127c3eca9d63149f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x593D | 9440 bytes |
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