MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, includes keywords related to technical manuals, suggesting a lure to disguise the malicious intent. The presence of a link farm and a high ML classifier score further support its malicious nature. The primary attack vector appears to be directing users to malicious infrastructure via embedded links.
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/wb?keyword=yaskawa%20varispeed%20g7%20drive%20manual
- http://taxetoloj.hidalgobraccoitalianos.com/uploads/1/3/2/8/132814930/a3f49b2d0e.pdf
- https://cdn.shopify.com/s/files/1/0448/8983/3639/files/wixefemut.pdf
- https://cdn.shopify.com/s/files/1/0431/3337/0522/files/el_gran_libro_del_aura.pdf
- https://cdn.shopify.com/s/files/1/0432/1764/9819/files/powomefi.pdf
- https://cdn.shopify.com/s/files/1/0433/0009/4112/files/alternative_tourism_definition.pdf
- https://cdn.shopify.com/s/files/1/0428/6640/9638/files/black_desert_sorc_build.pdf
- https://cdn.shopify.com/s/files/1/0431/4556/0219/files/poe_flask_recipe.pdf
- https://cdn.shopify.com/s/files/1/0430/0960/5791/files/ospf_configuration_commands_step_by_step.pdf
- https://cdn.shopify.com/s/files/1/0431/1659/3312/files/define_economic_empowerment.pdf
- https://cdn.shopify.com/s/files/1/0433/1791/9909/files/tiberefizegenitokevinu.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_off00006021.bin187a41323e01e32ed3d2584b88d51428c9bb999135235f7a8455966f7ead4055 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6021 | 5228 bytes |
font_01_sfnt_off000071e4.binbee5526ef7faeee9888a3044b739b2ce627d7dce357b7303806083e9d5ca54a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71E4 | 14580 bytes |
font_02_sfnt_off00009e96.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E96 | 4324 bytes |
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