MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, suggesting a link farm designed to manipulate search engine results or distribute malicious content. The presence of the malicious redirector URL 'https://ttraff.ru/wix?keyword=star+delta+conversion' is a primary indicator of malicious intent, likely serving as a gateway to further malicious sites or payloads.
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.ru/wix?keyword=star+delta+conversion
- https://static.usrfiles.com/ugd/b8c837_5d34c880e3b14f44b39ab8d267b25c3f.pdf
- https://static.usrfiles.com/ugd/b8c837_66ffbac10baa43a1afe90f3009dc55b7.pdf
- https://static.usrfiles.com/ugd/0047a4_ba4504fac9ed4c45929114a385fffc56.pdf
- https://static.usrfiles.com/ugd/cc03df_7de1235c9b574c219ea008af7ac9ef69.pdf
- https://cdn.shopify.com/s/files/1/0437/2506/2298/files/42578480682.pdf
- https://cdn.shopify.com/s/files/1/0435/5679/8615/files/denigisonolapujawizenejet.pdf
- https://cdn.shopify.com/s/files/1/0431/9382/7485/files/67084052658.pdf
- https://cdn.shopify.com/s/files/1/0432/6693/2902/files/bumblebee_car_transformers_the_last_knight.pdf
- https://cdn.shopify.com/s/files/1/0434/0331/3315/files/47821948487.pdf
- https://cdn.shopify.com/s/files/1/0432/1283/2931/files/java_aptitude_questions_with_answers_download.pdf
- https://cdn.shopify.com/s/files/1/0431/6132/1634/files/fogutugexeguzevunutafut.pdf
- https://cdn.shopify.com/s/files/1/0437/8106/2813/files/95405675798.pdf
- https://cdn.shopify.com/s/files/1/0433/0084/7781/files/tad_james_nlp_practitioner_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/9014/0581/files/86794583110.pdf
- https://cdn.shopify.com/s/files/1/0439/0263/2104/files/man_in_the_mirror_joyful_noise_sheet_music_pdf.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000625b.bin5c44a4febc7d887554171966a1d94bf64cb1dd6b942910b156b5af535d455381 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x625B | 5096 bytes |
font_01_sfnt_off000073b1.bina5f004af85a941573f964fa6c550659ce224831d664855d24752842121697d70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73B1 | 11116 bytes |
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