MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, includes the same malicious URL, suggesting an attempt to direct users to potentially harmful content. The presence of a large number of external PDF links further indicates a link farm or SEO manipulation tactic.
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/wix?keyword=piriformis+syndrome+causing+sciatica
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/0837/6482/files/html_css_templates_for_practice.pdf
- https://cdn.shopify.com/s/files/1/0437/5589/6990/files/duvifokoruvapexagaxibugop.pdf
- https://cdn.shopify.com/s/files/1/0436/4930/2693/files/fozobiminowor.pdf
- https://cdn.shopify.com/s/files/1/0434/5819/9719/files/10172231962.pdf
- https://cdn.shopify.com/s/files/1/0433/4111/9647/files/que_es_robotica_educativa.pdf
- https://static.usrfiles.com/ugd/865d50_69df5ec22ac34befbaa4357e27597d4d.pdf
- https://static.usrfiles.com/ugd/d9d1f5_3127b8aa5be14c809bf70f696c43d3c9.pdf
- https://static.usrfiles.com/ugd/34ec99_e80a27cc96ac4aa08dd01ddd5fb88ee4.pdf
- https://cdn.shopify.com/s/files/1/0428/0382/2755/files/irs_form_4952.pdf
- https://cdn.shopify.com/s/files/1/0435/9048/4131/files/jejosawejexunavegoteb.pdf
- https://cdn.shopify.com/s/files/1/0435/2173/6859/files/vidaferaporiluz.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_off00007f7f.bin4ebd0b6aa8ecfc4529f4e57f064c01d5661c00083623b5fae9fac355fd805818 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F7F | 5412 bytes |
font_01_sfnt_off000091dc.binf477d617a0cf21dac36f2ca38d329b88dd627372b1ced75f96f284f4538321c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91DC | 10376 bytes |
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