MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external URLs, with many pointing to disposable hosting and utilizing UTM parameters, suggesting a link farm designed to redirect users to potentially malicious sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly suggest it's used as a lure for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://queure.ru/uplcv?utm_term=sigelei+fuchai+200w+manual PDF link annotation
- https://karlholmbygg.se/UserFiles/files/86406449618.pdfIn PDF document text
- http://queensparkview.com/image/upload/File/68018995015.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16138c2dd95bd1---28639253068.pdfIn PDF document text
- http://telegid.tv/userfiles/files/xajepuselipimud.pdfIn PDF document text
- https://optimuselearningschool.com/learning/site/images/uploadfiles/zunaralax.pdfIn PDF document text
- http://imdmotors.com/uploadfile/file/2021090421333022.pdfIn PDF document text
- https://globaldreamindia.com/webcms/file/dozigeji.pdfIn PDF document text
- https://emprenderem.cl/files/48971584955.pdfIn PDF document text
- http://euroear.eu/ckfinder/userfiles/files/12621027038.pdfIn PDF document text
- http://nifaelectronics.com/userfiles/file/28975113099.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b468bb4c2---45897050503.pdfIn PDF document text
- https://hglobaltourb2c.com/FileData/ckfinder/files/20210906_4EBB51CB65BF7284.pdfIn PDF document text
- http://bulk-supplies.com/userfiles/files/92081065703.pdfIn PDF document text
- http://japanbizkorea.com/userData/ebizro_board/file/jalabebesadoveguwuv.pdfIn PDF document text
- http://stroi-sistema.ru/img/53457728860.pdfIn PDF document text
- https://spacio.hk/attachment/file/wubimu.pdfIn PDF document text
- https://cottonweb.net/userfiles/file/jelovibuxevoboxavosededor.pdfIn PDF document text
- http://unseretochter.ch/images/file/85070991301.pdfIn PDF document text
- https://lemarko.com/userfiles/file/34121455578.pdfIn PDF document text
- http://cathugo-catamarans.de/res/wysiwyg/file/pototanadevagokobutuva.pdfIn PDF document text
- https://rugsdirect4u.com/uploadedfiles/file/61737642930.pdfIn PDF document text
- https://perkunasstudio.com/uploads/files/202109022157099192.pdfIn PDF document text
- http://opakowania-loga.pl/zdjecia/fotki/file/64973071333.pdfIn PDF document text
- http://klhl.com/userfiles/file/54088422818.pdfIn PDF document text
- http://ulleungroadtour.com/FileData/ckfinder/files/20210903_173F6E2F961B32B9.pdfIn PDF document text
- http://comp-art.ru/userfiles/file/97247846099.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://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_off0000dd26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD26 | 10800 bytes |
SHA-256: 65f24e623b3d2844187fabf4f623fd9ad89cd9a7467ea3f4eff5dea43e5a9d56 |
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font_01_sfnt_off0000f5fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5FB | 18596 bytes |
SHA-256: 915d7be60495cff5c5d2f92574c23f324f42632a8f692ec493759c25bb325908 |
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font_02_sfnt_off00012699.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12699 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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