MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=agenda+meeting+sample+pdf'. Additionally, it exhibits a PDF link farm heuristic, embedding numerous external PDF links, many of which point to Shopify-hosted files. The ML classifier also strongly indicated maliciousness. These factors suggest the document's primary purpose is to lure users to malicious sites.
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=agenda+meeting+sample+pdf
- http://files.tcmrestoration.net/uploads/1/3/1/4/131407067/nubujisukuvapi.pdf
- http://files.vandersystreefarm.com/uploads/1/3/1/4/131406811/roxudef.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/6820/3942/files/70003428011.pdf
- https://cdn.shopify.com/s/files/1/0430/0714/8185/files/night_by_elie_wiesel_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0434/1861/5975/files/emdeko_sewing_machine.pdf
- https://cdn.shopify.com/s/files/1/0436/3019/8937/files/muzazokuweradamarajig.pdf
- https://cdn.shopify.com/s/files/1/0428/4848/5535/files/22252033179.pdf
- https://cdn.shopify.com/s/files/1/0432/9072/2469/files/23601341822.pdf
- https://cdn.shopify.com/s/files/1/0432/0244/5475/files/bogetuwig.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/vakukoduguvi.pdf
- https://cdn.shopify.com/s/files/1/0431/2678/4157/files/jazipevaxuvabu.pdf
- https://cdn.shopify.com/s/files/1/0439/4126/5566/files/zuburigixezijaxolekatisuf.pdf
- https://cdn.shopify.com/s/files/1/0435/5653/6479/files/sokakufoseroviloweja.pdf
- https://cdn.shopify.com/s/files/1/0431/6859/6123/files/61631732146.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000756f.binf29802f04846f965bfdb3998c663bd9af818ae4b760946005407367d59768af7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x756F | 5256 bytes |
font_01_sfnt_off00008741.bin2d26a332cafe410b981b7bc1991d7a2a4c1d8452e72cce26845fcd839146c1b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8741 | 10296 bytes |
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