MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded links, many pointing to potentially disposable domains, indicating a link farm or phishing lure. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting the document is designed to distribute links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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 http://johnmarzillier.com/ckfinder/userfiles/files/78172513318.pdf In PDF document text
- https://dawnraytech.985.tw/data/file/userfiles/files/11218562714.pdfIn PDF document text
- https://mimpidia.com/contents/files/sakubinopujaxobujenojewo.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/kidototinuditizovolov.pdfIn PDF document text
- https://nbretail.com.vn/ckfinder/userfiles/files/41099686696.pdfIn PDF document text
- http://elandtour.com/FileData/ckfinder/files/20210907_51C53793E26B72A2.pdfIn PDF document text
- https://cobrawire.com/userfiles/files/30175379280.pdfIn PDF document text
- http://xn--9n2bn9mz3aba29g44r4o0a.kr/fckeditor/userfiles/image/bopovoras.pdfIn PDF document text
- http://podlahyadvere.sk/editor_uploads/system/files/sedowasivajigaxuzuvobi.pdfIn PDF document text
- http://vrieshorst.nl/images/uploads/file/sowikup.pdfIn PDF document text
- http://bassonconsulting.mc/userfiles/file/zejeboteli.pdfIn PDF document text
- http://popmetre.com/news/files/pewuva.pdfIn PDF document text
- http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/zoxojiwakalame.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfb8c00eb6---95664669958.pdfIn PDF document text
- http://chalappuram.com/userfiles/file/sugosivodalen.pdfIn PDF document text
- http://szyoujin.com/UploadFile/file/20210911082104770.pdfIn PDF document text
- https://medgal.pl/admin/ckfinder/userfiles/files/35308760464.pdfIn PDF document text
- http://ksiclub.org/projects/achievemore/admin/upload/fckImages/file/56293514761.pdfIn PDF document text
- http://ecoevopublisher.com/files/upfiles/file/lanim.pdfIn PDF document text
- https://tongdaidoanhnghiep.com/app/webroot/upload/files/96003026567.pdfIn PDF document text
- https://triptoboloyfoundation.org/editorsfiles/files/11244642286.pdfIn PDF document text
- http://fszhenjia.com/upfolder/e/files/20210908081959.pdfIn PDF document text
- http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/dojezejotanoruva.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+play+gta+5+in+mobile+for+freePDF 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_off0000addc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADDC | 10996 bytes |
SHA-256: 1b51ddd432ac24ce1c9ac895b8289a255a041b8161e2e5397cb4c6b2752da160 |
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font_01_sfnt_off0000c739.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC739 | 14264 bytes |
SHA-256: e72eef92ad333053d169eb29f9e57dc59fd6c750b5d7e738d57db5d1186228ca |
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font_02_sfnt_off0000eaee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAEE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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