MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, forming a link farm. The presence of embedded JavaScript and a high ML classifier score indicate malicious intent, likely to redirect users to malicious sites for phishing or further payload delivery. ClamAV also detected this file as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://pixomot.ru/uplcv?utm_term=balloon+star+defense
- http://xn----7sbjvweekof5d.xn--p1ai/files/files/valajawenutafefujakepalo.pdf
- https://takipcisec.com/calisma2/files/uploads/25881033962.pdf
- https://heuresromantiques.com/upload/files/77072026211.pdf
- https://ntc-container.com/upload/files/lusapinikekepanesojufuvir.pdf
- https://thefertilizerequipment.com/d/files/fubogolotusifuxewosepumu.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161377ed9e974c---tafenutojajojetegaf.pdf
- http://gazomotor.com/allinone/file/23327744604.pdf
- http://niktid.ru/userfiles/file/61386482367.pdf
- http://htk2.altrodesign.eu/ckfinder/userfiles/files/wunenelerasibanuf.pdf
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/zurupapubipufiniguvun.pdf
- https://ilonew.tasksplan.com/userfiles/files/25667407130.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/b89d0128e79e08bfb82a1d13d8a9bf63/difijizeduzuvat.pdf
- http://cf2sc.cn/userfiles/file/32231577256.pdf
- http://hmondo.com/userData/board/file/24143405345.pdf
- http://www.mousumibanerjee.com/fckimages/file/87088793303.pdf
- http://xn----dtbhwhggdaoqfh3d.xn--p1ai/media/file/zuduvibowemapaka.pdf
- https://pottoka.info/files/galeria/files/sawixutovuva.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142593630d7e---tunamadixovebabezo.pdf
- http://work4shop.cz/userfiles/file/vosujifixixiz.pdf
- http://zxpgw.com/userfiles/file/jozoselujepopifesibudi.pdf
- http://www.ishvani.com/www/js/ckfinder/userfiles/files/pozupuvapalolosasur.pdf
- https://sieuthimayphat.com/ckfinder/userfiles/files/29756434543.pdf
- http://zjnep.com/ckeditor/ckfinder/userfiles/files/15801764460.pdf
- https://0900107678.com/upload/file/51139619512.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b1f3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1F3 | 16792 bytes |
font_01_sfnt_off0000ca05.bin1ff0dde068bb21a9cd0f557920ff3cc2827372995ee028bf9a6ebd1fc004daa1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA05 | 14412 bytes |
font_02_sfnt_off0000ee6f.bin1595fdc5b07dbf73199b7b2eb6e8ef5ce133f2e62c0a5c392a45b58e925d549d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6F | 10308 bytes |
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