MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, 'https://cctraff.ru/wb?keyword=wget%20ubuntu%20download', which is designed to lead users to download potentially malicious files. The document body and heuristics indicate a lure to download software, aligning with a spearphishing attachment attack pattern. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to execute external content, likely JavaScript, to facilitate the download.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/wb?keyword=wget%20ubuntu%20download In PDF document text
- https://cdn-cms.f-static.net/uploads/4366024/normal_5f86f61212da2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374859/normal_5f8d17000b3c0.pdfIn macro / runtime command snippet
- https://cdn-cms.f-static.net/uploads/4386074/normal_5f8efb0f78da9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375700/normal_5f8e43f30c731.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375699/normal_5f89da2299e31.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365547/normal_5f870b63c2b2d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370284/normal_5f8bdfa8225d0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365591/normal_5f86f9188dda8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploadIn macro / runtime command snippet
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zuxadol/31224328691.pdfIn PDF document text
- https://s3.amazonaws.com/tadovu/damewogujifijiragot.pdfIn PDF document text
- https://s3.amazonaws.com/subud/dadafopu.pdfIn PDF document text
- https://s3.amazonaws.com/kavitokolezub/vetusoburujujipojefarolen.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb814b00-01a4-4b4d-98f1-41c4d3935396/50498598410.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e4e2fbe7-c428-4682-88a4-ede134655eab/75711278376.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/98c07a9e-7e40-4fca-968a-605b83c7a7f6/mufezetalodelofujijuwokes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0480/3366/1077/files/buzilisilomulokodofoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/0285/5064/files/tipos_de_drogas_que_usan_los_adolescentes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0500/2140/0745/files/bootstrap_tutorial_w3schools.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0499/4246/2618/files/como_hackear_wifi_con_android_root.pdfIn PDF document text
- https://s3.amazonaws.com/mijedusovineti/nafipofobipasorixolof.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/teresixonibinimo.pdfIn PDF document text
- https://s3.amazonaws.com/felasorarabipis/xonedovanoduwogowivozati.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_off00007ecf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ECF | 4964 bytes |
SHA-256: d5f3d5fb4b4570a00e208e52ba1a58658ed30fad1abdaba4d845e40b08a760f2 |
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font_01_sfnt_off00008fe5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FE5 | 10616 bytes |
SHA-256: 60dc2fb2745fada2973aa2916d50a1f19645ecc2e918b6787778c378fcfd902a |
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