MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to compromised CMS uploads or disposable hosting. These links are likely intended to redirect the user to a malicious download, as indicated by the ClamAV detection and ML classifier flagging this PDF as malicious. The embedded JavaScript is likely used to facilitate the download or exploit a vulnerability.
Machine Learning
- Nyx PDF Classifier malicious score 0.7374
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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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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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://queure.ru/uplcv?utm_term=download+fm+radio+apk PDF link annotation
- http://meskerjager.nl/media/files/xovanar.pdfIn PDF document text
- https://drnanemilk.com/tctt/sites/aaa/file/8614988360.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/3lbqhfqa47botbgf97lr32901a/vawowuvo.pdfIn PDF document text
- http://rebornfair.com/FileData/ckfinder/files/20210917_ED38AF0FAA193EF5.pdfIn PDF document text
- http://neteyes.eu/editor_up/biwez.pdfIn PDF document text
- http://ffarchitettura.it/userfiles/files/sinig.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161415fa07908e---mavetizuwozobax.pdfIn PDF document text
- http://montoaneli.com/ckfinder/files/dobidenaxuviwurojalawore.pdfIn PDF document text
- https://njshore.drinkpoint.com/uploads/files/2173643886.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/161436970163ae---jaweguwijiso.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16138612fa1d78---40065469772.pdfIn PDF document text
- http://hengtongrongshang.com/jingkelun/userfiles/files/20210913131611.pdfIn PDF document text
- https://ustunbilgisayar.com/userfiles/files/kimoxosaxedikofaxotofo.pdfIn PDF document text
- https://aartipalette.com/userfiles/file/nedagit.pdfIn PDF document text
- https://kapokcmassage.com/uploads/files/202109161638348986.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161413879ab6b7---vupujoxudabiseronitowujef.pdfIn PDF document text
- http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/74891028353.pdfIn PDF document text
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/zamaxozixesekuk.pdfIn PDF document text
- http://pappteam.hu/userfiles/file/poxedubak.pdfIn PDF document text
- https://theatresaucinema.fr/uploads/file/76647075880.pdfIn PDF document text
- http://brukikostka.pl/uploads/page/file/zapasaz.pdfIn PDF document text
- https://centrorevisionimonregalese.it/file/60789784952.pdfIn PDF document text
- https://houstoncoinclub.org/FCKeditor/file/38877146177.pdfIn PDF document text
- http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bijumolanirere.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143083468863---65637499635.pdfIn 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_off0000c978.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC978 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e18f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18F | 10440 bytes |
SHA-256: 29de5f02eff6f576f0afe864a2a9467741757943866682a52672a576fb98e8b6 |
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font_02_sfnt_off0000f921.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF921 | 17632 bytes |
SHA-256: a6f38640c16feb35377e0db449fdc3f06bf28e505e5c5a5972c89cac6ba1585a |
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