MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is disguised as a guide to bypassing Wi-Fi security. The document also contains a large number of embedded links to various PDF files hosted on Shopify, likely part of a link farm to improve search engine ranking for malicious content. The ML classifier strongly indicated maliciousness.
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=cara+bobol+wifi+no+root+apk
- http://files.volunteerconnectnow.org/uploads/1/3/0/8/130874317/5f60e505dddde6e.pdf
- http://files.nomadicsteve.com/uploads/1/3/1/4/131437538/42cb4690f8.pdf
- https://cdn.shopify.com/s/files/1/0438/3634/2434/files/xaxuzirakekuvu.pdf
- https://cdn.shopify.com/s/files/1/0429/1022/0447/files/49149428252.pdf
- https://cdn.shopify.com/s/files/1/0434/5744/6038/files/pefofejufoxozejaxa.pdf
- https://cdn.shopify.com/s/files/1/0433/8325/9301/files/indoor_swimming_pool_construction_details.pdf
- https://cdn.shopify.com/s/files/1/0429/3849/9235/files/sovipavomefet.pdf
- https://cdn.shopify.com/s/files/1/0431/8386/6007/files/8708961853.pdf
- https://cdn.shopify.com/s/files/1/0431/2655/4781/files/nuvozipuninav.pdf
- https://cdn.shopify.com/s/files/1/0433/2165/5464/files/dnd_5e_tiefling_subraces.pdf
- https://cdn.shopify.com/s/files/1/0431/0640/2453/files/92930326906.pdf
- https://cdn.shopify.com/s/files/1/0434/4568/2332/files/cctv_installation_training_courses.pdf
- https://cdn.shopify.com/s/files/1/0436/9124/5733/files/66838539677.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_off00005df6.bind262ceef3d1fa0796da4a14ff999db1a7562bf945d310997de3bf740b32e398a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DF6 | 4916 bytes |
font_01_sfnt_off00006ed5.binc0f8379feb7a8ce0d24a9e1b0573a3dbfd374f4ad7456803a6b2e80270c14a99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ED5 | 10088 bytes |
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