MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the PDF is designed to host numerous links on disposable domains, likely for SEO manipulation or to distribute malware. The embedded URLs, such as 'https://pistant.ru/uplcv?utm_term=shinchan+horror+cartoon', suggest a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://pistant.ru/uplcv?utm_term=shinchan+horror+cartoon PDF link annotation
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300e4435015---militemu.pdfIn PDF document text
- https://www.larche-de-jules.fr/ckfinder/userfiles/files/bujesepuperapedid.pdfIn PDF document text
- http://mikailang.com/userfiles/file/20210913164735_1771077039.pdfIn PDF document text
- http://flexinform.com/hirlevel/file/xepijup.pdfIn PDF document text
- http://normel.org/files/upload/file/70528438814.pdfIn PDF document text
- https://preciseenergygroup.com/media/wuzusuwow.pdfIn PDF document text
- https://beamstraffic.com/amb/userfiles/file/sinitepumadibekev.pdfIn PDF document text
- https://francoisdaulte.com/ckfinder/userfiles/files/gudemikipinigedaten.pdfIn PDF document text
- https://astdubai.co/userfiles/files/xepufofixosene.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6cbabc157---manafebelebezazogoxuv.pdfIn PDF document text
- http://avvocatogiuliani.it/userfiles/files/72461973294.pdfIn PDF document text
- http://studiostocchi.eu/userfiles/files/zifasikemejukogepodefurov.pdfIn PDF document text
- http://ensky-chemical.com/upload/files/8294878003.pdfIn PDF document text
- http://abwclayton.com/uploads/files/sipasudemoniterexebenoru.pdfIn PDF document text
- http://anael.fr/fckeditor/userfiles/file/foxerivakobenaruxenutuvam.pdfIn PDF document text
- http://soc-in.com/data/media/files/papamixoda.pdfIn PDF document text
- http://saveondealz.com/ckeditor/ckfinder/core/connector/php/uploads/files/bowisifanogejasukovarax.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/kaburubaxokutola.pdfIn PDF document text
- http://cukrarska-vyroba.cz/UserFiles/File/84326245064.pdfIn PDF document text
- https://espiber.cl/images/uploadedimages/file/13936644259.pdfIn PDF document text
- http://optometrystaprzemysl.pl/userfiles/file/foxikedal.pdfIn PDF document text
- https://sts-cct.com/app/webroot/userfiles/files/zapozurudetotin.pdfIn PDF document text
- http://kbinteriery.cz/userfiles/file/72063397897.pdfIn PDF document text
- 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_off0000cae5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAE5 | 22680 bytes |
SHA-256: db480d60988d834a3677d201d946aedb4b2e9d957b1aafde7611024a6515de44 |
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font_01_sfnt_off000105a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105A4 | 10056 bytes |
SHA-256: 0206028e559982841c7a85d2d0fe7860f98d6bb93e37f721d649dbd993d35a2d |
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font_02_sfnt_off00011bf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BF8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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