MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ClamAV and an ML classifier, with a critical heuristic firing for PDF_JS indicating embedded JavaScript. This JavaScript is likely responsible for redirecting the user to external URLs, such as the one found at 'https://wastran.ru/uplcv?utm_term=mario+tennis+nintendo+64+rom', which is characteristic of phishing or malware distribution campaigns. The PDF also contains a high number of external URIs, suggesting a link farm or redirection strategy.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://wastran.ru/uplcv?utm_term=mario+tennis+nintendo+64+rom PDF link annotation
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/bb38402f783050e16c03820945cc33da/97206486717.pdfIn PDF document text
- http://nc-israel.ru/upload/files/virikimijefurelafikos.pdfIn PDF document text
- http://bpabv.nl/uploadfiles/file/tawarapaguguxoxirazo.pdfIn PDF document text
- https://psihodesk.ro/ckfinder/userfiles/files/vefilefizatekafiren.pdfIn PDF document text
- http://dentalweek.eu/userfiles/files/jemetufimuv.pdfIn PDF document text
- http://onlinemidias.com/ckfinder/userfiles/files/9817134751.pdfIn PDF document text
- https://bem-sa.com/img/file/3285547270.pdfIn PDF document text
- https://promenade-perpignan.com/userfiles/file/98196846778.pdfIn PDF document text
- http://domkomplekt34.ru/attachments/file/45906039743.pdfIn PDF document text
- http://hzeiger.com/userfiles/file/lulopovilijunokefojogo.pdfIn PDF document text
- http://mqskin.com/luutru/files/55086304390.pdfIn PDF document text
- http://easyliveconstruction.com/ci/userfiles/files/benefaromasokapubonisi.pdfIn PDF document text
- http://kingsauto-bar.com/js/upload/files/81257938656.pdfIn PDF document text
- https://adikkeempat.com/contents/files/muxejejoxusexaminosa.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///53794839631.pdfIn PDF document text
- http://huarui-bio.com/upload/files/mokol.pdfIn PDF document text
- http://alfatreyd-mebel.ru/archive/images/file/34334375735.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161442b8f7a070---tegepopenagixiz.pdfIn PDF document text
- http://sgrappresentanze.eu/userfiles/files/pumixexutipegefuvowefe.pdfIn PDF document text
- http://maketmaster.ru/admin/ckfinder/userfiles/files/98911787865.pdfIn PDF document text
- http://hyunbulsa.org/~ewedd2/userfiles/file/71654836222.pdfIn PDF document text
- http://fioredda.com/userfiles/files/66555727151.pdfIn PDF document text
- https://grupo.iberia.com/js/ckfinder/userfiles/files/muzabodejupaganenojefor.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_off0000b928.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB928 | 10600 bytes |
SHA-256: 8d28d8a8e1b441c20cb1877ea57236853843e37543d383f781e49ce3be397be9 |
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font_01_sfnt_off0000d170.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD170 | 17592 bytes |
SHA-256: 8e6d8b69e00156109bf76256c06b04ccb1f28d0a0638c3b705d9e8ac4d850e69 |
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font_02_sfnt_off0000fed7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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