MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are linked to disposable domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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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 https://pixomot.ru/uplcv?utm_term=grand+truck+simulator+2+download+android PDF link annotation
- http://immobiliareborghi.com/userfiles/files/dulaboxedo.pdfIn PDF document text
- http://studioarclab.eu/userfiles/files/dusexobazi.pdfIn PDF document text
- http://megaprestige.ru/uploads/files/bofupusomegekimowamer.pdfIn PDF document text
- https://ixiu-23.com/uploads/files/202109101955538361.pdfIn PDF document text
- https://glaskunstcentrum.nl/images/file/4289933620.pdfIn PDF document text
- https://topinsolventa.ro/userfiles/file/fawuna.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140b925a5a5e---21868176724.pdfIn PDF document text
- http://kachelofen-prommegger.at/58212452197.pdfIn PDF document text
- http://seattledesis.com/fckeditor/file/gofekobu.pdfIn PDF document text
- https://apteka-wratislavia.pl/halatecza/userfiles/file/86895792036.pdfIn PDF document text
- http://blackivy.pl/userfiles/file/fijatitije.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614657bf6eff5---77552040620.pdfIn PDF document text
- https://dobre-akce.cz/media/files/file/9924387640.pdfIn PDF document text
- https://www.terraton.com.my/ckfinder/userfiles/files/fusof.pdfIn PDF document text
- https://cafesca.mx/ckfinder/userfiles/files/penemurunusaxizibopuxul.pdfIn PDF document text
- http://dichvutheapec.com/upload/FCK/file/42357588312.pdfIn PDF document text
- http://eskuvoiiranytu.hu/blog/file/zazelamiw.pdfIn PDF document text
- http://thetsaban3watnuea.com/UserFiles/file/8681568572.pdfIn PDF document text
- http://phaptangpgvn.net/app/webroot/upload/files/neguvazukove.pdfIn PDF document text
- http://kmbb.at/userfiles/file/21241299315.pdfIn PDF document text
- https://kalitelivideoizle.com/resimler/files/tiguliduvafexubuvuw.pdfIn PDF document text
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/tinusasojerolemezo.pdfIn PDF document text
- http://abwferrellpkwy.com/uploads/files/giregamixopunazokatitimok.pdfIn PDF document text
- http://allprintusa.com/admin/images/file/45520954364.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_off0000da55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA55 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f267.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF267 | 16932 bytes |
SHA-256: 4c5185e6e38baf6a23f8b26cb962fad54eae2f5d91e59a13ec18a5b8347431dc |
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font_02_sfnt_off00011e25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E25 | 10836 bytes |
SHA-256: 26602cd749249d0d57658db9e14073cfe94e0ec611f13abf4235e0c8c59925f1 |
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