MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to distribute malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of a 'remote-support tool lure' heuristic indicates a social engineering attempt to trick the user into installing potentially unwanted software. The document body, though heavily corrupted, contains references to 'wkhtmltopdf' and 'Qt', indicating it was likely generated by a tool rather than being a legitimate document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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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External URI info PDF_URIPDF contains an external URL action
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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://jacksth.ru/wb?keyword=cavaliers%20uniforms%20through%20the%20years PDF link annotation
- https://cdn.sqhk.co/furafurume/Rzggshd/download_game_toca_kitchen_sushi_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/mipemoku/hDih6hj/piano_keyboard_image_with_notes.pdfIn PDF document text
- https://katopogovalasa.weebly.com/uploads/1/3/5/4/135401177/digokub-mukanudaz-bomexug-losumolisezasa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469841/normal_5ff4da74e7f00.pdfIn PDF document text
- http://pijakonojimuw.iblogger.org/brown_plant_pot_template.pdfIn PDF document text
- https://cdn.sqhk.co/viwiratoposu/bzY8J9o/44060360490.pdfIn PDF document text
- https://cdn.sqhk.co/vitozogog/Lhau5xZ/73220013586.pdfIn PDF document text
- http://itawegan.space/liximisepawidilorerilaymib0.pdfIn PDF document text
- https://cdn.sqhk.co/ludozenidi/hOLUAgj/81469047700.pdfIn PDF document text
- https://cdn.sqhk.co/pogezasamu/huKjgbE/dixoruwitaporek.pdfIn PDF document text
- https://cdn.sqhk.co/fasazani/iaQGaa3/brave_frontier_2_global.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409998/normal_600514d93b3cc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366031/normal_5fdd15bc8cde6.pdfIn PDF document text
- http://cabinetshq.xyz/shellac_nails_and_lashes19y7w.pdfIn PDF document text
- http://lnstagramverifiedsbadgeforms.com/xivitz12nh.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369149/normal_5fc64376c2386.pdfIn PDF document text
- https://vepemetamat.weebly.com/uploads/1/3/4/3/134354227/vuroxupitik-jegavizoguziwa.pdfIn PDF document text
- https://firulozide.weebly.com/uploads/1/3/0/7/130775295/soxajoku.pdfIn PDF document text
- http://cashbackmoney.info/8337419059befvt.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zomimek.epizy.com/jemipoxixekeka.pdfIn PDF document text
- http://monuwuwotivonil.epizy.com/xumilibavifuzufo.pdfIn PDF document text
- http://mexaxezixolo.rf.gd/68325808965.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_off0000cf18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF18 | 5248 bytes |
SHA-256: 201d1350122aca638be43618647e1d341bf0c4c38b3bddd909e99b886df0b085 |
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font_01_sfnt_off0000e0d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0D5 | 9772 bytes |
SHA-256: 92f800b641eae00fd39752b7fe9937185971aee5ac92ffc3e398089c1745c76d |
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