MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous embedded links, with a primary link directing users to 'ttraff.com', identified as malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'Cambridge igcse mathematics practice', suggesting a lure to disguise the malicious intent. The presence of a large number of external PDF links, many pointing to Shopify domains, indicates a link farm strategy 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=cambridge+igcse+mathematics+practice
- http://files.monctonhighschoolgrads.ca/uploads/1/3/0/8/130874583/d582f.pdf
- http://files.lingkodmuntinlupa.org/uploads/1/3/2/7/132710743/fegejuvosowu_domep_nopikin.pdf
- http://nuvazijov.vocasings.com/uploads/1/3/1/4/131437987/905a5ea81.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/2591/4277/files/fujadis.pdf
- https://cdn.shopify.com/s/files/1/0431/8153/9483/files/42948622074.pdf
- https://cdn.shopify.com/s/files/1/0437/8030/9141/files/mozevib.pdf
- https://cdn.shopify.com/s/files/1/0430/2487/5674/files/68923355077.pdf
- https://cdn.shopify.com/s/files/1/0431/5663/5804/files/accessibility_checker_fors.pdf
- https://cdn.shopify.com/s/files/1/0435/4719/7594/files/gobipukoz.pdf
- https://cdn.shopify.com/s/files/1/0431/5797/9304/files/7344957607.pdf
- https://cdn.shopify.com/s/files/1/0433/4567/4389/files/battery_doctor_latest_apk.pdf
- https://cdn.shopify.com/s/files/1/0433/7877/0076/files/yu_yu_hakusho_blu_ray.pdf
- https://cdn.shopify.com/s/files/1/0432/7338/8190/files/suburivukuvem.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_off00004890.bin1283609c781d8aa6ffdca8225695be26736341346a1810211fd867bb1d7bad11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4890 | 5500 bytes |
font_01_sfnt_off00005b15.bind35227c66bb219dfb6caab07cf37b8d7612c44eca1e1d8d2ec068c2bd9e68c84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B15 | 9988 bytes |
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