MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a free English course. This heuristic, combined with the ML classifier's high confidence, indicates a malicious intent to redirect users to harmful content. The document also contains a large number of links to external PDFs, suggesting a link farm or SEO manipulation tactic.
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=cours+anglais+intensif+gratuit+pdf
- http://files.rachaelfrankford.com/uploads/1/3/0/7/130739268/datep.pdf
- http://files.stitchedwithcare.com/uploads/1/3/1/3/131383624/dowumi-wefudazebukop-wivavin-tajewowe.pdf
- http://files.astarboards.com/uploads/1/3/0/7/130775653/1d36160d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/8145/7061/files/veponuf.pdf
- https://cdn.shopify.com/s/files/1/0435/9480/9512/files/25817698781.pdf
- https://cdn.shopify.com/s/files/1/0431/3009/3728/files/46935742219.pdf
- https://cdn.shopify.com/s/files/1/0431/5247/4280/files/woxetavilirolesobi.pdf
- https://cdn.shopify.com/s/files/1/0430/5269/5703/files/web_developer_s_guide_tutorialspoint.pdf
- https://cdn.shopify.com/s/files/1/0429/6838/3641/files/difuzipumurolowo.pdf
- https://cdn.shopify.com/s/files/1/0435/1708/3802/files/ssc_stenographer_reasoning_book.pdf
- https://cdn.shopify.com/s/files/1/0431/7449/4369/files/40929967985.pdf
- https://cdn.shopify.com/s/files/1/0434/7500/9696/files/effective_isotropic_radiated_power.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40369191557.pdf
- https://cdn.shopify.com/s/files/1/0448/4156/6370/files/dnd_saving_throws.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_off000062a2.bind904f189ee6260a7a626d0bd710c071d7a4475132a92bbb989028b33948eb412 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62A2 | 5112 bytes |
font_01_sfnt_off00007415.bindaf6b39b2db0c99eaa5c7785bf6105d7576c6f9a39cb3c3daa332a3ed3f81ccf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7415 | 11888 bytes |
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