Malware Insights
The PDF file contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.ru/pify?keyword=most+popular+npm+packages, which is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to contain text related to npm packages and the PDF metadata indicates it was generated by wkhtmltopdf, suggesting it might be part of a link farm or SEO poisoning campaign. No scripts were extracted, but the presence of numerous links to potentially malicious infrastructure indicates a phishing or redirection attempt.
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=most+popular+npm+packages
- http://files.karmanlee.com/uploads/1/3/0/7/130739892/caf1ed.pdf
- http://files.fussball-musings.com/uploads/1/3/0/9/130969535/wisavojoduka_ribaxewovamukow.pdf
- http://files.sailingphoenix1.com/uploads/1/3/1/3/131379591/9569734.pdf
- http://files.jawanatravel.com/uploads/1/3/0/8/130814227/xonuworo.pdf
- https://cdn.shopify.com/s/files/1/0427/7954/1671/files/10711729991.pdf
- https://cdn.shopify.com/s/files/1/0434/1307/8174/files/fizutakipomubadafo.pdf
- https://cdn.shopify.com/s/files/1/0438/1822/1728/files/604749099.pdf
- https://cdn.shopify.com/s/files/1/0431/5627/5362/files/23410633147.pdf
- https://cdn.shopify.com/s/files/1/0435/4496/9367/files/wozizejupuzajodumidajazu.pdf
- https://cdn.shopify.com/s/files/1/0437/5104/7329/files/94076473343.pdf
- https://cdn.shopify.com/s/files/1/0429/9997/1999/files/91781037248.pdf
- https://cdn.shopify.com/s/files/1/0430/6649/1042/files/c_two_dimensional_array.pdf
- https://cdn.shopify.com/s/files/1/0429/1536/5031/files/revasuguritikepe.pdf
- https://cdn.shopify.com/s/files/1/0432/0778/6651/files/lokaraxaxo.pdf
- https://cdn.shopify.com/s/files/1/0431/8612/7009/files/tiximunegukokezob.pdf
- https://cdn.shopify.com/s/files/1/0430/9896/4117/files/pakewi.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006867.bin008dda5a800c7c94686f5277300960c56d86193d9b812f838cf7906209d68413 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6867 | 5156 bytes |
font_01_sfnt_off000079e0.bin7cebffb5e4f6c4f51db95b1322f1ded24b146727849c35d588d0a5f17b2eece0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79E0 | 10664 bytes |
font_02_sfnt_off00009e5a.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E5A | 4324 bytes |
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