MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external PDF files, suggesting a link farm or redirection mechanism for phishing or malware delivery. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination. No scripts were extracted, but the overall structure points to a phishing or credential harvesting attempt.
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://vinatech.com/userfiles/file/jevitulobon.pdf In PDF document text
- https://mongolia-volkslift.com/uploads/files/kasibukegezag.pdfIn PDF document text
- http://yeosingol.com/FileData/ckfinder/files/20210914_056766B231A51690.pdfIn PDF document text
- http://acsalma.hu/userfiles/files/50815762378.pdfIn PDF document text
- http://www.rify.us/cms-uploads/files/89541008535.pdfIn PDF document text
- http://daiichibus.vn/uploads/news_file/pivizagawigejuk.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614222bb7fc79---nukabelepiramod.pdfIn PDF document text
- http://lafenicealcamo.it/userfiles/files/zevemujepageboxenizetiru.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/degenifedozemefeb.pdfIn PDF document text
- http://ambulatorioveterinarioilprato.eu/userfiles/files/1858910606.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/ed6bf2593869ac33b7f35e0096609903/gikovagarorinaxapolavomo.pdfIn PDF document text
- http://infinity-c-t.com/userfiles/file/14318926435.pdfIn PDF document text
- https://girisimhaber.com/uploads/file/90285401947.pdfIn PDF document text
- https://chung-pei.com/userfiles/file/legorifudokewegefal.pdfIn PDF document text
- https://delaneyllc.cfonewsletter.com/ckfinder/userfiles/files/37749038022.pdfIn PDF document text
- http://baheth24cars.com/ckfinder/userfiles/files/37489933130.pdfIn PDF document text
- https://eric-parnes.shortex.com/ckfinder/userfiles/files/92557208547.pdfIn PDF document text
- http://fohow77.ru/upload/file/futewulexo.pdfIn PDF document text
- https://gemicilojistik.com/userfiles/upload/file/retoxexatalogakaxerexawiv.pdfIn PDF document text
- http://kenshopvn.com/uploads/files/699356903.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210903005353.pdfIn PDF document text
- http://pmke.cz/pictures/files/basuxabipofajex.pdfIn PDF document text
- https://rtaadmin.mrv-educationservices.com/content_file/files/dubuzizodomepenurapes.pdfIn PDF document text
- https://www.tahitotfaluovodak.hu/ckfinder/userfiles/files/gufadevavanev.pdfIn PDF document text
- https://agros.net/uploads/file/99181323841.pdfIn PDF document text
- http://vietsonplastic.com/uploads/userfiles/file/22316179209.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=kingsoft+office+androidPDF 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_off0000e7ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7CA | 10596 bytes |
SHA-256: 683adf6c5fd41982816f8d1bf4ea40eb0f29c60a39c836edd9f6707b082df47f |
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font_01_sfnt_off0000ffef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFEF | 18852 bytes |
SHA-256: 8fb593e1291b94af5092f22d53ac0f81f30ad36399d2dfa1467632f4cd80a2a7 |
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font_02_sfnt_off000130b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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