MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, many of which are part of a link farm hosted on disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://pistant.ru/uplcv?utm_term=mi+call+screen+app+download PDF link annotation
- https://ls-machinery.com/uploadpic/files/202109080628581798.pdfIn PDF document text
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/31837349645.pdfIn PDF document text
- https://o2opr.co/userfiles/files/bugasakigorofelikewuda.pdfIn PDF document text
- http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/51710408426.pdfIn PDF document text
- http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/60167835625.pdfIn PDF document text
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/fumojonanizowakimiwe.pdfIn PDF document text
- https://bandotrading.it/uploads/file/21671539448.pdfIn PDF document text
- http://4reality.cz/userfiles/files/56352613081.pdfIn PDF document text
- http://seosanhrd.com/userfiles/file/66537712403.pdfIn PDF document text
- http://kowalstwwo.pl/public/cms/images/file/35731502509.pdfIn PDF document text
- http://architettotamborra.eu/userfiles/files/nowuj.pdfIn PDF document text
- https://espiber.cl/images/uploadedimages/file/taborefukazuzegufopijiz.pdfIn PDF document text
- http://fruhmann-elektrotechnik.at/91228553749.pdfIn PDF document text
- http://gmtshipping.com/attachment/file/gogodarirujafelukit.pdfIn PDF document text
- http://dirpub.org/editor/ckfinder/userfiles/files/16483332703.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d7edbb019---66793446327.pdfIn PDF document text
- http://indyztyle.com/ckfinder/userfiles/files/61774487498.pdfIn PDF document text
- http://praconsulgroup.ru/pict/file/salawigilejefakuwezas.pdfIn PDF document text
- https://digireg.cz/upload/roxexozo.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16141e0490ee70---32831799682.pdfIn PDF document text
- http://meteosputnik.ru/userfiles/file/46446615887.pdfIn PDF document text
- https://repare-ton-smartphone.com/userfiles/file/33804898358.pdfIn PDF document text
- https://minervatech.work/js/ckfinder/userfiles/files/2108065281.pdfIn PDF document text
- http://gewidor-gmbh.de/uploads/files/dibagugij.pdfIn PDF document text
- https://csmgh.net/pevron/www/img/file/zijuvu.pdfIn PDF document text
- http://azinsaghf.com/cache/fck_files/file/vaterepusudosijomebiwox.pdfIn PDF document text
- http://parkety-patemal.sk/files/file/wopujijugivofutuv.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_off0000e15b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE15B | 18536 bytes |
SHA-256: d30b9b1ce8d8b1223eb10eb62b2c1be88a4e69b6a43a55e6efe5fbe4cc064d1e |
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font_01_sfnt_off000111f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111F6 | 10488 bytes |
SHA-256: 7ba6fc819309b838a6e1b0daccbbaa683ed16423979b0ac184b92af8d9aea5d9 |
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font_02_sfnt_off000129f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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