MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a high number of embedded links, many of which point to disposable hosting and redirector infrastructure, as indicated by the PDF_SEO_LINK_FARM and PDF_MALICIOUS_REDIRECTOR_LINK heuristics. The primary malicious URL identified is https://cctraff.ru/123?keyword=census+2020+kenya+report+pdf, which is likely used to redirect users to further malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/123?keyword=census+2020+kenya+report+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4371261/normal_5f8ece4f948ff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389585/normal_5f91aba46620b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383688/normal_5f8bba0e3a72e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374839/normal_5f8c8aad9920b.pdfIn PDF document text
- https://netaxodesu.weebly.com/uploads/1/3/4/3/134367037/505af713ee282c.pdfIn PDF document text
- https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/1441493.pdfIn PDF document text
- https://pexulowiseguwuz.weebly.com/uploads/1/3/4/3/134391342/maguxefux.pdfIn PDF document text
- https://migirebunimalab.weebly.com/uploads/1/3/1/3/131383914/navojugogefal.pdfIn PDF document text
- https://dojudiwoju.weebly.com/uploads/1/3/1/4/131406456/bupomomubul_pukuxi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373016/normal_5f88a03fe57dc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367643/normal_5f895c8b8cea3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366625/normal_5f92f94f23f07.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/putelekireza/tp_link_archer_c60_manual.pdfIn PDF document text
- https://s3.amazonaws.com/fokapikow/speech_organs_and_their_functions.pdfIn PDF document text
- https://s3.amazonaws.com/bezegoluzose/dubovurefarugijejakulumus.pdfIn PDF document text
- https://s3.amazonaws.com/lorifawuvawot/appsc_group_1_draft_syllabus_2018.pdfIn PDF document text
- https://s3.amazonaws.com/bajuse/posulin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0266/8540/7421/files/57519688715.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0501/5889/5254/files/regent_theater_los_angeles_ca_90013.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1174/3639/files/mabexubati.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0266/8196/6764/files/jeffco_virtual_academy_calendar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0501/5987/8320/files/infacol_wind_drops_instructions.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000080a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80A1 | 5348 bytes |
SHA-256: e49dbb16ccf8df33c87a5bbbacfffd1648a5bd327710c8a3cf591daf19e3520f |
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font_01_sfnt_off000092e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92E6 | 10612 bytes |
SHA-256: ea0acec294b024b938f652ed2f2ede4ab5acbba2cdd5d2eecdfee8bc83c41447 |
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