Malware Insights
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify and other domains. One critical heuristic firing indicates a direct link to a known malicious redirector at "https://ttraff.ru/pify?keyword=jlab+jbuds+air+quick+start+guide". The document body, though heavily obfuscated, contains text that appears to be a "Jlab jbuds air quick start guide" lure, and the authoring application is wkhtmltopdf, often used to generate malicious PDFs. The combination of the redirector link and the link farm suggests an attempt to drive traffic to malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=jlab+jbuds+air+quick+start+guide
- http://files.kelseyblotter.com/uploads/1/3/1/4/131406149/mixusaruvod.pdf
- http://tipom.hamiltonpotterytools.co.nz/uploads/1/3/0/8/130873851/6958390.pdf
- http://ritixer.ravenstreasures.org/uploads/1/3/0/7/130775478/sosotabowaxegifago.pdf
- http://nokebo.patrickcoll.com/uploads/1/3/1/8/131871597/mokevowojasigu_rebopemig_miwexal_vigana.pdf
- http://files.isp700.com/uploads/1/3/1/4/131483108/nigavo.pdf
- https://cdn.shopify.com/s/files/1/0437/7473/8586/files/65122882609.pdf
- https://cdn.shopify.com/s/files/1/0433/4200/4375/files/reported_crime_map_uk.pdf
- https://cdn.shopify.com/s/files/1/0434/2736/5031/files/natek.pdf
- https://cdn.shopify.com/s/files/1/0427/6987/5111/files/72214865676.pdf
- https://cdn.shopify.com/s/files/1/0438/2267/8173/files/luwobapokejoriv.pdf
- https://cdn.shopify.com/s/files/1/0432/3583/6072/files/woxetumikivakurazuwubu.pdf
- https://cdn.shopify.com/s/files/1/0434/2703/7336/files/17307653847.pdf
- https://cdn.shopify.com/s/files/1/0436/3337/7440/files/kafufenafugate.pdf
- https://cdn.shopify.com/s/files/1/0438/7789/2251/files/pdf._js_viewer_hide_toolbar.pdf
- https://cdn.shopify.com/s/files/1/0430/4361/8965/files/zurusajejiso.pdf
- https://cdn.shopify.com/s/files/1/0437/5802/6903/files/meluzekudevagafuxibasilo.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_off000075d4.bin4aa8e7c728e841c2fdebbe1aab61186d7f135b06b6018b9eb43f57f9ae7a20af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75D4 | 5500 bytes |
font_01_sfnt_off0000888a.bin9c8772aaeb5581c836ad51462c01fbbbf05ab7aa63ce31bf9d185c8032ca20a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x888A | 10936 bytes |
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