MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link farm designed to appear as an electrical wiring manual, which redirects to a malicious URL. The ML classifier strongly indicates maliciousness. The primary malicious IOC is the redirector URL, which likely leads to further stages of the attack.
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.cc/wix?keyword=electrical+wiring+manual+pdf
- https://static.usrfiles.com/ugd/b8c837_5d05a729c1dd4c169673ba417321a4ac.pdf
- https://static.usrfiles.com/ugd/b8c837_50c2136ffa7a4ac988b5cd84905a140d.pdf
- https://static.usrfiles.com/ugd/b8c837_275842cc50904e4fadd47f82c6698bc0.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lebalod.pdf
- https://cdn.shopify.com/s/files/1/0445/2201/2831/files/zusovowa.pdf
- https://cdn.shopify.com/s/files/1/0435/8176/7848/files/reglas_del_contrapunto_musical.pdf
- https://cdn.shopify.com/s/files/1/0463/3211/7147/files/wujemupuvidovifazososu.pdf
- https://cdn.shopify.com/s/files/1/0439/1898/3323/files/83419852796.pdf
- https://cdn.shopify.com/s/files/1/0433/0805/6740/files/87208644089.pdf
- https://cdn.shopify.com/s/files/1/0429/1995/2550/files/80945272184.pdf
- https://cdn.shopify.com/s/files/1/0438/8909/8907/files/21_cfr_part_11_2019.pdf
- https://cdn.shopify.com/s/files/1/0434/5790/4792/files/chained_full_movie.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_off000054f8.bin32a1240b7c511654cccaa5fd6ee175427f6c92c68564a5ae94bdbb7a649b49d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54F8 | 5120 bytes |
font_01_sfnt_off00006655.bin53642e332d51ab3ac17473c462b3ff341d72278ff851f003b28ff5b8e9ac08ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6655 | 10184 bytes |
font_02_sfnt_off000088bb.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88BB | 4324 bytes |
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