MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to potentially disposable domains and are structured as link farms, suggesting a phishing or malware distribution scheme. The presence of a 'download button' heuristic further supports the attack pattern of luring users to download content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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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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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 http://majstrissmt.eu/www-data/file/7056532367.pdf In PDF document text
- http://yesfabric.com/images/upload/File/95638663615.pdfIn PDF document text
- https://oreopay57.com/ckfinder/userfiles/files/16779848459.pdfIn PDF document text
- http://www.sloepverhuur-debiesbosch.nl/upload/files/46027735834.pdfIn PDF document text
- http://rungruangsteel.com/public/upload/userfiles/files/4149256253.pdfIn PDF document text
- https://jensbrode.de/files/file/vademigikujipapo.pdfIn PDF document text
- http://www.vandiestbrandstoffen.be/uploads/files/latilafavagukijo.pdfIn PDF document text
- https://houstoncoinclub.org/FCKeditor/file/jasikawovifusivenipubirip.pdfIn PDF document text
- http://rialta.ie/userfiles/files/70826104041.pdfIn PDF document text
- http://eot.mn/uploads/userfiles/files/91251153077.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/17141099244.pdfIn PDF document text
- https://securitydm.eu/slicice/file/57081118300.pdfIn PDF document text
- http://autowagon.it/userfiles/files/wewutalanamomar.pdfIn PDF document text
- https://fotobolfestmeny.hu/mvc/userfiles/file/besozotiremupubagejaxij.pdfIn PDF document text
- https://marblobathware.ph/app/webroot/img/files/nurofujapatarupilovuveson.pdfIn PDF document text
- http://burbank.kopanramen.com/uploads/files/befonafe.pdfIn PDF document text
- http://ruihuitax.com/files/file/89569407600.pdfIn PDF document text
- http://tottazo.com/userfiles/file/18990470133.pdfIn PDF document text
- http://khiensa.com/UserFiles/File/12436110750.pdfIn PDF document text
- http://rockefellersgold.hu/editor_up/90664283591.pdfIn PDF document text
- http://kaizenlife.com/ckfinder/userfiles/files/66576703782.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1613258bf4a1d1---34919732411.pdfIn PDF document text
- http://squarcialupirelaxinchianti.com/writable/public/userfiles/file/mokopize.pdfIn PDF document text
- https://villamishkan.com/310renonew/front/images/files/viloxujovejetavuxapib.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=raya+and+the+last+dragon+eng+subPDF 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_off0000cf60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF60 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e777.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE777 | 10832 bytes |
SHA-256: e2f3975005316a73c2578be8b5cc60e641eecdaf4879302c5eb255de5df215b0 |
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font_02_sfnt_off00010041.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10041 | 18360 bytes |
SHA-256: 2ecd1f3ab8a048cb82c9e86bdb594be2ffa394eaa4259b861eb30abccbca1aeb |
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