MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to other PDF files hosted on various domains, suggesting a link farm or redirection scheme. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicates this is not a legitimate document but rather a mechanism for SEO manipulation or distributing further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 5
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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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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://jnvhardoi.org/ckfinder/userfiles/files/963127872.pdf In PDF document text
- http://francescasciortino.it/userfiles/files/42299949684.pdfIn PDF document text
- http://focalthai.com/file_media/file_image/file/fukadi.pdfIn PDF document text
- https://sarenpinler.com/calisma2/files/uploads/relukujagalekox.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613669d27a298---zaxakajowaj.pdfIn PDF document text
- https://monyetmesum.com/contents/files/29785923848.pdfIn PDF document text
- https://turismopontevedra.com/ckfinder/userfiles/files/jesitokerepasumeka.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210909060052_yzwtz1.pdfIn PDF document text
- http://biznesfishki.ru/files/userfiles/files/lemusejujamujegonedizus.pdfIn PDF document text
- http://yey.uw52.com/upload/files/59763164168.pdfIn PDF document text
- http://cestovni-postylka.eu/userfiles/file/xaxikijuruvasipabozavif.pdfIn PDF document text
- https://pisangmanis.com/contents/files/kabifagexujunubojero.pdfIn PDF document text
- https://congnghieptauthuyvietnam.vn/upload/files/miwipivivadavitov.pdfIn PDF document text
- http://blossomtour.net/FileData/ckfinder/files/20210906_92814E6AA2F35366.pdfIn PDF document text
- http://thebrownbag.vn/upload/files/zesabexuvetiborari.pdfIn PDF document text
- http://principesgs.com/userfiles/file/40792589421.pdfIn PDF document text
- http://xn--80aaaaaikdebj9ccf1ayja1b5a3q.xn--p1ai/ckfinder/userfiles/files/lowefuximomoniwimol.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/55aab058ab962167a2452d56fe7d09c1/29775006591.pdfIn PDF document text
- https://hoangphatdanang.com/uploads/image/files/63811724273.pdfIn PDF document text
- http://srmtteaparty.com/uploads/files/202109090703335397.pdfIn PDF document text
- https://bfull.ru/uploads/files/25700279815.pdfIn PDF document text
- http://daimarconstrucciones.com/images/admin/file/5390732190.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+change+emojis+on+messenger+android+2020PDF 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_off0000d7e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000effe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFFE | 11220 bytes |
SHA-256: bcc03d9af9186a50bf9c02815a7de70b6299b054b6b3fd6a4d2247635fd830f7 |
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font_02_sfnt_off000109e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109E9 | 18932 bytes |
SHA-256: bcd310565fe84fd17a4ba2429c5d43a9c0dc5130cd5fb4ac7a507c114a7d30bf |
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