MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous embedded URLs, many of which point to disposable domains, suggesting a link farm or phishing lure. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM specifically flags this behavior, indicating an attempt to distribute or redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://artepcb.com/upload/files/pomidanu.pdf In PDF document text
- https://ostrichpharmaceuticals.com/userfiles/file/67659738975.pdfIn PDF document text
- http://4els.ru/uploads/images/files/vapapavofatevatejepagon.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/311942834064682f1d396893d6d929a0/sakap.pdfIn PDF document text
- https://vipbeachhouse.com/uploads/editor/file/nufokovaxab.pdfIn PDF document text
- http://tayles.com/uploaded/1875072446.pdfIn PDF document text
- https://pasarantogel2.com/contents/files/47656957140.pdfIn PDF document text
- http://lasantitosrestaurant.com/userfiles/file/liruw.pdfIn PDF document text
- http://grupposcorcia.it/userfiles/files/77368184644.pdfIn PDF document text
- http://prosefkuchare.cz/userfiles/14931412595.pdfIn PDF document text
- https://newsale.linyn.mobi/upload/ckeditor/pages/files/tufoxatobopumeduvesos.pdfIn PDF document text
- https://jpjplumbingandheating.com/FCKeditor/file/65736916255.pdfIn PDF document text
- https://nhahangbienhaitien.com/uploads/files/muramarididabefaxapuve.pdfIn PDF document text
- http://www.propper-droppers.nl/files/file/71745881768.pdfIn PDF document text
- https://efckrakow.pl/userfiles/file/73154111079.pdfIn PDF document text
- https://spcinternational.in/ckfinder/userfiles/files/30133407452.pdfIn PDF document text
- http://tythb.com/uploadfile/files/2699301650.pdfIn PDF document text
- https://birutelorasin.com/contents/files/87834844650.pdfIn PDF document text
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/nuzufanawuvupokexuvubiped.pdfIn PDF document text
- http://first-group.kr/ckupload/files/doval.pdfIn PDF document text
- https://anukulagrotech.com/userfiles/file/fabisuwozeparasete.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612f19ac1f283---zukevurijopub.pdfIn PDF document text
- https://groupunsur4.com/contents/files/nolatesoxasutogivewupe.pdfIn PDF document text
- http://machinesupplier.cn/data/product/file/202194_1559_805.pdfIn PDF document text
- https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/29347716942.pdfIn PDF document text
- http://x-site.by/upload/editor/files/51912003943.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+ios+is+different+from+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_off0000d310.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD310 | 17760 bytes |
SHA-256: 0ade499909d41c49c9c3c3bf0a2a72d5da45d9f74587103743d9a2da375a4f77 |
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font_01_sfnt_off00010199.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10199 | 10544 bytes |
SHA-256: d0f14a58f58a9155fe719df823903b6dcff3f8684a5d2199a97aeeb3880d60a3 |
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font_02_sfnt_off000119ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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