MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, with one heuristic specifically identifying it as a 'PDF SEO Link Farm'. The primary malicious URL, 'https://ttraff.ru/pify?keyword=chainbreaker+tara+sim+pdf', suggests a redirection mechanism to potentially malicious content. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the sheer volume of links and the identified redirector point towards a delivery mechanism for further malicious activity.
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=chainbreaker+tara+sim+pdf
- http://welepilep.fbcmprek.com/uploads/1/3/0/9/130969940/25b54eb88c10360.pdf
- http://files.pureexistencedance.com/uploads/1/3/1/3/131384025/maxegisekivafe.pdf
- http://files.myrules4life.com/uploads/1/3/0/8/130813616/zapaxosiwedofof_mozoxo_torufapapu_tuvawiserogowoj.pdf
- http://zonamepup.jocelynphotoblogs.co.uk/uploads/1/3/1/4/131483255/2256723.pdf
- http://files.polymerall.shop/uploads/1/3/0/9/130969532/8256346.pdf
- https://cdn.shopify.com/s/files/1/0433/4170/9462/files/98569068055.pdf
- https://cdn.shopify.com/s/files/1/0433/9109/0844/files/tuted.pdf
- https://cdn.shopify.com/s/files/1/0435/4686/9911/files/wotem.pdf
- https://cdn.shopify.com/s/files/1/0439/1839/3499/files/luzabakadaj.pdf
- https://cdn.shopify.com/s/files/1/0433/3430/3912/files/97109896393.pdf
- https://cdn.shopify.com/s/files/1/0431/3923/5997/files/fogiparifamugevu.pdf
- https://cdn.shopify.com/s/files/1/0437/7850/6909/files/mugen_character_downloads.pdf
- https://cdn.shopify.com/s/files/1/0433/0805/6740/files/famagijasunidekoruxufa.pdf
- https://cdn.shopify.com/s/files/1/0432/6195/2155/files/xozemo.pdf
- https://cdn.shopify.com/s/files/1/0432/5657/8212/files/77451670633.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_off000067cf.bin1a2a633c739a18970ffea5c54fb27f80280d15e187a5aaa09b799a8464f74f7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67CF | 5356 bytes |
font_01_sfnt_off000079cf.bin4db5c22c177bf14b86149eada2fedde7e1231f6ea5f0a79609faf0c7cd8e11d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79CF | 10664 bytes |
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