MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a link farm with numerous external URLs. The presence of a 'Password-protected archive handoff' heuristic suggests the document is designed to trick users into believing they need a password to access an archive, likely containing a malicious payload. While no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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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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://ichibaninfotech.com/ckfinder/userfiles/files/58760182562.pdf In PDF document text
- http://deurenhanger.nl/userfiles/file/63170784315.pdfIn PDF document text
- http://chetaomaynganhnhua.com/uploads/files/38039449249.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/17094178725.pdfIn PDF document text
- http://bjsixiang.com/jingkelun/userfiles/files/20210902203405.pdfIn PDF document text
- https://topclassgreenery.nl/images/file/sopabebeximazajiwakejemez.pdfIn PDF document text
- http://prvugkh.ru/uploads/files/wapizobavapomabuz.pdfIn PDF document text
- https://e-tta.com/app/webroot/userfiles/files/lomotelavifenakironedekav.pdfIn PDF document text
- http://atomicattack.com/atomic/fckimages/file/48913610338.pdfIn PDF document text
- https://mkontroll.hu/File/73252500362.pdfIn PDF document text
- http://tinhdauvietnam.vn/upload/files/forevaboxisa.pdfIn PDF document text
- https://probidjp.com/ckfinder/userfiles/files/20210907_194526.pdfIn PDF document text
- http://akinmedikal.com/uploads/file/77142894146.pdfIn PDF document text
- http://kamerton.nl/clientfiles/wigirata.pdfIn PDF document text
- http://knx-shop.ru/admin/ckfinder/userfiles/files/niwesisugiwuvezu.pdfIn PDF document text
- https://www.vconsole.com/ckfinder/files/sejuwuvuriwiveza.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614655e6eb1d0---bafumopudesugowenizimo.pdfIn PDF document text
- http://taiwan-tsai.com/upload/files/31139488986.pdfIn PDF document text
- http://ambulatorioveterinariocamali.com/userfiles/files/64624143097.pdfIn PDF document text
- http://xn--franzsischebulldoggen-lec.eu/userfiles/file/75977155826.pdfIn PDF document text
- https://khonggiansachhanoi.vn/uploads/files/80750494917.pdfIn PDF document text
- https://damiel.eu/userfiles/file/70911189086.pdfIn PDF document text
- http://alliance-ic.ru/uploads/file/wivivetenamuxus.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=gta+5+ppsspp+free+downloadPDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD6F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f581.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF581 | 18260 bytes |
SHA-256: 11c51ce072c7aa8804a4a7af3864ad37e73a6be9fc35591f30a1154435061cbf |
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font_02_sfnt_off00012522.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12522 | 10660 bytes |
SHA-256: 7ee3ab58ba3e82986f796ec9ccecf41b0a2f132e5ea9a4f2348f995c3d1b9f00 |
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