MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a significant number of embedded links, many of which point to a link farm designed to redirect users to malicious infrastructure. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically identified the URL https://cctraff.ru/aws?keyword=kidde+co2+alarm+manual as a known malicious redirector. The ML classifier also strongly indicated maliciousness.
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://cctraff.ru/aws?keyword=kidde+co2+alarm+manual
- https://cdn-cms.f-static.net/uploads/4366008/normal_5f871162f2d6d.pdf
- https://cdn-cms.f-static.net/uploads/4375907/normal_5f8d971915c93.pdf
- https://jurizimobijagi.weebly.com/uploads/1/3/0/8/130874317/f170af.pdf
- https://dajapofijakaf.weebly.com/uploads/1/3/4/2/134266914/dokuribajemaxo_denuwivefesuta_xoxukoru_rovujunakig.pdf
- https://cdn-cms.f-static.net/uploads/4369766/normal_5f97e2dc4af01.pdf
- https://cdn-cms.f-static.net/uploads/4369185/normal_5f8e3e7e3f81c.pdf
- https://cdn-cms.f-static.net/uploads/4382643/normal_5f8b636d988ed.pdf
- https://dikoriwapajok.weebly.com/uploads/1/3/4/4/134447187/vipovolod_kolegimisu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/kavalukato/81992954043.pdf
- https://s3.amazonaws.com/nuxulikiwab/dunopovumazirunedil.pdf
- https://s3.amazonaws.com/henghuili-files2/how_to_calculate_cable_size_for_motor.pdf
- https://s3.amazonaws.com/jasadavebaga/chabahar_port.pdf
- https://s3.amazonaws.com/muvojugejoxip/87215246876.pdf
- https://s3.amazonaws.com/fasanag/the_core_values_of_brotherhood_of_st_laurence.pdf
- https://cdn.shopify.com/s/files/1/0431/6980/8535/files/online_to_doc_file_convert.pdf
- https://cdn.shopify.com/s/files/1/0428/5304/0295/files/sushi_roll_maker_instructions.pdf
- https://s3.amazonaws.com/nezanurugega/pirifurokikad.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_off0000514d.bin44cf577a4fa2833d13f93761657065ea7f2b8d08e8d8bab77232185c97d9fb8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x514D | 5008 bytes |
font_01_sfnt_off00006243.binfa931b178d0974c3e2a333950292f4f8ddf084112ba3be92bd95b0242112e1ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6243 | 9628 bytes |
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