MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=purity+vst+free+download'. This URL is likely used to redirect users to a malicious download site. The PDF also exhibits characteristics of a link farm, with numerous embedded links, including one to a Shopify domain. The ML classifier strongly indicates maliciousness, supporting the conclusion that this PDF is designed for malicious redirection.
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/wix?keyword=purity+vst+free+download
- https://cdn.shopify.com/s/files/1/0433/5117/9416/files/59973286363.pdf
- https://cdn.shopify.com/s/files/1/0434/8667/5109/files/public_administration_an_action_orientation.pdf
- https://cdn.shopify.com/s/files/1/0428/5012/3943/files/59933599967.pdf
- https://cdn.shopify.com/s/files/1/0428/4828/8934/files/16516825279.pdf
- https://cdn.shopify.com/s/files/1/0429/8434/1657/files/variateur_de_vitesse_altivar_11.pdf
- https://cdn.shopify.com/s/files/1/0445/8138/8452/files/hit_em_high.pdf
- https://cdn.shopify.com/s/files/1/0434/4355/2416/files/a_poder_em_suas_palavras.pdf
- https://cdn.shopify.com/s/files/1/0433/2208/1448/files/siwabodagaz.pdf
- https://cdn.shopify.com/s/files/1/0431/9484/3293/files/akasam_thana_rekkalatho_video_song_free.pdf
- https://cdn.shopify.com/s/files/1/0439/6518/6206/files/babida.pdf
- https://cdn.shopify.com/s/files/1/0429/1713/4502/files/uzreport_tv_futbol_pryamoy_efir.pdf
- https://cdn.shopify.com/s/files/1/0435/7927/7467/files/sipiluj.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061c4.binffef504e6f9beaaf56060d8c2bfd67376caca4988679a47f8e5866fb24650065 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61C4 | 5156 bytes |
font_01_sfnt_off00007376.bin477e32af752ed5bfb3819982f8541f1b60d0513629eded4d073b5a175621ab09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7376 | 10052 bytes |
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