MALICIOUS
154
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 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL and text related to a game download, suggesting a lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify, likely to obscure the malicious redirector. The ML classifier strongly flagged this PDF as malicious.
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/pify?keyword=street+fighter+v+arcade+edition+apk
- https://cdn.shopify.com/s/files/1/0430/5911/8229/files/famous_english_story_free_download.pdf
- https://cdn.shopify.com/s/files/1/0437/8119/3885/files/lopomotuzefafalix.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/24413790208.pdf
- https://cdn.shopify.com/s/files/1/0430/9850/5369/files/20801707235.pdf
- https://cdn.shopify.com/s/files/1/0433/6749/7880/files/bizaxetugufupuzizow.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/zubibed.pdf
- https://cdn.shopify.com/s/files/1/0436/5906/7550/files/hud_non_occupying_co_borrower_guidelines_2018.pdf
- https://cdn.shopify.com/s/files/1/0431/5168/7837/files/3112894160.pdf
- https://cdn.shopify.com/s/files/1/0433/6818/6024/files/livre_anglais_francais_pour_debutant.pdf
- https://cdn.shopify.com/s/files/1/0437/2247/3624/files/71225768687.pdf
- https://cdn.shopify.com/s/files/1/0439/0764/5595/files/94139052096.pdf
- https://cdn.shopify.com/s/files/1/0429/5891/3689/files/32873651413.pdf
- https://cdn.shopify.com/s/files/1/0428/9029/7503/files/50617134209.pdf
- https://cdn.shopify.com/s/files/1/0431/4336/4759/files/sekapogatu.pdf
- https://cdn.shopify.com/s/files/1/0427/7056/3239/files/makag.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_off00005aa7.bin829868d80b5a516e1c75a3ae16a4f0e1f29f776f1742914a1e380e49cb207901 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AA7 | 5436 bytes |
font_01_sfnt_off00006d28.bin194a3ae7b9205f18279ebe8b5d1db9dae60466ecd452eb4dfb00803299afc781 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D28 | 10388 bytes |
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