MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a significant number of embedded links, with at least one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The primary malicious URL identified is https://cctraff.ru/123?keyword=the+republican+era, which likely serves as a gateway to further malicious content. The presence of numerous other PDF links suggests a link farm or redirection strategy.
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/123?keyword=the+republican+era
- https://tebamebameden.weebly.com/uploads/1/3/3/9/133997375/fizowemage.pdf
- https://mimoberojatef.weebly.com/uploads/1/3/4/3/134316463/8344901.pdf
- https://cdn-cms.f-static.net/uploads/4417530/normal_5fa1a3da156de.pdf
- https://cdn-cms.f-static.net/uploads/4393020/normal_5fa254ec44fef.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/bokelur/carefree_boat_club_cost_dc.pdf
- https://uploads.strikinglycdn.com/files/3751dca1-7d2a-44b9-a1ce-05cc82fb2e4c/32404286545.pdf
- https://s3.amazonaws.com/viromibukoleliw/kinuzenejogawenijilaw.pdf
- https://s3.amazonaws.com/divelatoxa/biology_in_hindi_for_railway.pdf
- https://s3.amazonaws.com/luropi/yadah_tv_live_streaming.pdf
- https://s3.amazonaws.com/gupuso/60051742155.pdf
- https://uploads.strikinglycdn.com/files/f16d3cd8-fe6d-4ff5-8dca-f873083dbc42/30445669318.pdf
- https://s3.amazonaws.com/punagilelabon/nepukewelurazanube.pdf
- https://uploads.strikinglycdn.com/files/14f4e209-d6eb-464f-8261-dfce60bc2b10/mujolesomepomitasepe.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c87.bind850408dd164ea043cdae92e2e39452d8d93352b4eae933b529099f58f9c9f0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C87 | 4624 bytes |
font_01_sfnt_off00006c19.bin7f77193d22eab267fc9347ce2776491b2495b36314221c44e44ed0e8863a8d31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C19 | 10152 bytes |
font_02_sfnt_off00008eb5.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EB5 | 4324 bytes |
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