MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary malicious URL identified is 'https://ttraff.ru/pify?keyword=reporting+limit+vs+method+detection+limit'. The document body, though heavily obfuscated, also contains this URL and other Shopify links, suggesting a link farm or redirection scheme. The ML classifier strongly supports the malicious verdict.
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=reporting+limit+vs+method+detection+limit
- http://files.caresga.org/uploads/1/3/1/3/131379343/xaxukebutuzinup.pdf
- https://cdn.shopify.com/s/files/1/0428/7424/1183/files/21308752762.pdf
- https://cdn.shopify.com/s/files/1/0428/3429/6988/files/57810043059.pdf
- https://cdn.shopify.com/s/files/1/0430/6187/0743/files/zujakozulufudakisejuv.pdf
- https://cdn.shopify.com/s/files/1/0434/1504/4254/files/ziredinapiwi.pdf
- https://cdn.shopify.com/s/files/1/0437/2119/5669/files/dictionary_english_to_english_to_tamil.pdf
- https://cdn.shopify.com/s/files/1/0427/9681/0396/files/sixapuxinisoponexa.pdf
- https://cdn.shopify.com/s/files/1/0435/3336/9503/files/zedim.pdf
- https://cdn.shopify.com/s/files/1/0435/2576/7320/files/teacher_aptitude_test_questions.pdf
- https://cdn.shopify.com/s/files/1/0465/0595/1390/files/50807379571.pdf
- https://cdn.shopify.com/s/files/1/0450/7333/4424/files/bioplastic_from_banana_peel_research_paper.pdf
- https://cdn.shopify.com/s/files/1/0431/9635/0624/files/migirumugufif.pdf
- https://cdn.shopify.com/s/files/1/0431/5630/8123/files/91637516950.pdf
- https://cdn.shopify.com/s/files/1/0430/2585/8711/files/regixanisokifidudetos.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_off00006626.binea544c16c963327569d569813d76410c7da8eeb7a23a80a11bc5872ac1830ec7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6626 | 5344 bytes |
font_01_sfnt_off00007835.bin5f75f137e6ad067d0012732b39521b87dfa852e1128ebba7192b0ad7fad3200c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7835 | 10516 bytes |
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