MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting PDF files, and one critical link to a known malicious redirector. This indicates a link farm or redirection attack designed to lead users to malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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=kaplan+anatomy+coloring+book
- http://files.sepiburgiani.com/uploads/1/3/1/1/131163635/2096288.pdf
- http://tubape.lcmbands.com/uploads/1/3/2/6/132696030/nawar_tanor_xumugowuxuvijaj.pdf
- http://files.kymgeorgeartdolls.com/uploads/1/3/0/8/130874246/569004cd.pdf
- http://files.jmshairdesign.com/uploads/1/3/1/0/131070918/kadepepud.pdf
- https://cdn.shopify.com/s/files/1/0448/2056/2077/files/fairy_tales_for_preschoolers.pdf
- https://cdn.shopify.com/s/files/1/0460/5670/2107/files/cake_mania_1_free.pdf
- https://cdn.shopify.com/s/files/1/0434/6223/0181/files/wipetufobijajujasopen.pdf
- https://cdn.shopify.com/s/files/1/0433/9079/5934/files/header_files_c.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dofupuz.pdf
- https://cdn.shopify.com/s/files/1/0434/6360/6437/files/zawefipufawakuvaku.pdf
- https://cdn.shopify.com/s/files/1/0438/2546/3456/files/how_to_block_bot_in_general_discord.pdf
- https://cdn.shopify.com/s/files/1/0431/6613/8522/files/5th_grade_go_math_chapter_1_test.pdf
- https://cdn.shopify.com/s/files/1/0432/4920/5405/files/template_digital_business_model_canvas.pdf
- https://cdn.shopify.com/s/files/1/0431/1141/5962/files/daxetapam.pdf
- https://cdn.shopify.com/s/files/1/0431/0745/1042/files/ozbargain_hungry_jacks.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_off00007122.bin077ff8d88cb1f9b81cafd7577d7e1cb8bc5c486fbcf539c7b722052dbb0c0009 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7122 | 5352 bytes |
font_01_sfnt_off00008348.bin9f30e09be9b694a212dd3be164b997e0dbe5ab7fd6e35bbec7e6d90646d35ed8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8348 | 10708 bytes |
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