MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple URLs pointing to compromised WordPress sites and other domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.7260
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 http://sweed-trans.eu/ckfinder/userfiles/files/19608390714.pdf In PDF document text
- https://pui-vital.ro/msg_media/file/64148316363.pdfIn PDF document text
- http://harc-ias.vn/Images_upload/files/11114910038.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/669c1i5rim475th7kjd55qghs6/1600247230.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/ef9e31b94dae30b0309891ba2fb906ab/ligatojikolu.pdfIn PDF document text
- https://ptkas.com/kingkong/userfiles/files/tetef.pdfIn PDF document text
- https://commonlawhouse.in/userfiles/file/37181202049.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/c8b285b9381acfa2bc735d9190972b4b/wasabijakewama.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/lmb1lllkth4flnnmf9p9a60d73/35822274655.pdfIn PDF document text
- http://bjjiffy.com/upload/nedojovexodenogalozumani.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b22b5125169---tases.pdfIn PDF document text
- http://taxilitomerice.cz/ckfinder/userfiles/files/riwinetoti.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8b4e167ed---89711268141.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/c0f287c154d7224f3aa3dd6d134a373b/59450160233.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/ubp5c7fuo6aolptu63p5a1dme9/kowuwipujuropabonagabix.pdfIn PDF document text
- https://zlato-eu.cz/upload/files/88177051199.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/035a60c16c718c3f6a6b36625b3d5215/47187179257.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/67483843129.pdfIn PDF document text
- https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/nunixejakadupulezani.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/350c1a8cd17083f6188c4456411c3ec5/jawemolo.pdfIn PDF document text
- https://www.cylinder96.ru/admin/ckfinder/userfiles/files/minokiguviladixari.pdfIn PDF document text
- http://bnblspecialities.com/userfiles/files/sivuvi.pdfIn PDF document text
- http://csc-028.com/userfiles/file/20210821220056_82d5z1.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a8176fd5c1c---65604480943.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/likow.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=huawei+honor+band+3+smart+wristband+manualPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cb6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB6F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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