MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier suspicious score 0.2793
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://drafthe.ru/uplcv?utm_term=how+to+use+iphone+as+cycling+computer PDF link annotation
- http://gorillatheory.com/admin/upload/file/63955643598.pdfIn PDF document text
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16073dfddb74ad---39982390638.pdfIn PDF document text
- http://www.alrafeef.com/faisaliya/js/ckfinder/userfiles/files/55152494295.pdfIn PDF document text
- http://crocepadrekolbe.it/userfiles/files/87515657518.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607cae8c390f1---vobesalibubagibag.pdfIn PDF document text
- https://rhodium.vn/uploads/news_file/37001693675.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c9a3187f0---80869609028.pdfIn PDF document text
- http://johncarroll1967.com/clients/1/18/1896e795ecc2602204d707ec4e69586f/File/gabexisuzofafimizab.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1608752ac66b13---wuvejigofewurevenerov.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/d64f9d48cecb14a9d42adf8884dd5b63/xivizezubudatufeko.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/3603c102b5b6e9794fe7de0676801638/tatumofeguwig.pdfIn PDF document text
- https://www.lsv-wittlage.de/ckfinder/userfiles/files/vopeso.pdfIn PDF document text
- http://ankamet.com/userfiles/file/28206125165.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a16af7c61cc---zezuzufuterejemubirinemav.pdfIn PDF document text
- http://archerelectricsupply.com/userfiles/file/33579178011.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078f5da1f3a6---37730752461.pdfIn PDF document text
- https://sportyou.fr/ckfinder/userfiles/files/komemofaj.pdfIn PDF document text
- http://3colorjazz.com/fckeditor/userfiles/image/potanezir.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/eb56b25445b375299f5ff063a172edd9/tenozexi.pdfIn PDF document text
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccba4dcb57---35295387190.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160aa125f3b339---85885379430.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-5-1/20210501145832501531.pdfIn PDF document text
- http://tumwebthailand.com/ckfinder/userfiles/files/runoziganazugigepizefus.pdfIn PDF document text
- http://cn-daomeng.com/upload/userfiles/files/d22d7f78a89ab49e9c225778df012169.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/4tqkeu1biuipbjk41rpfrrr7l4/wobokidanitotobijimug.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012e8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E8C | 11112 bytes |
SHA-256: e39bf8c1515ee378bb6526be88e81c0eb12e5266be76f25105d2726a60e9609b |
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font_01_sfnt_off0001485d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1485D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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