MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites. The embedded URLs, such as http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8a08edfff---duwaluxen.pdf, are likely intended to host further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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://cfbadalona.net/ckdata/files/sovibigigusotididupoxe.pdf In PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8a08edfff---duwaluxen.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/8a5b9bf4920553d06b03211aa16f2ec9/3930022318.pdfIn PDF document text
- http://gshosnab.ru/userfiles/file/32400692581.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612eeb5dda7e8---kavelugopatogitunig.pdfIn PDF document text
- http://gcoekmr.org/cukashmir/User_Files/imagefile/fiwokoluje.pdfIn PDF document text
- http://seto.cz/uploads/42529231949.pdfIn PDF document text
- http://smingames.com/ckfinder/files/dijopenoxurifugi.pdfIn PDF document text
- http://studiogiamberardino.it/userfiles/files/1035438431.pdfIn PDF document text
- http://prime42.ru/userfiles/files/68585352132.pdfIn PDF document text
- http://xinyuemu.net/assets/202109/files/20210906060700827226.pdfIn PDF document text
- http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/siwipudazisakexolobuk.pdfIn PDF document text
- http://erh-hu.com/userfiles/file/16684815578.pdfIn PDF document text
- https://wemservice.com/ckfinder/userfiles/files/77161211745.pdfIn PDF document text
- http://shanghaiqingchen.com/upload/files/sukibovafepojeme.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/c649fdf5fcfb9661d0a64aac91dae082/76474623101.pdfIn PDF document text
- http://dataction.org/demo/dataction/media/lelubeselezijenib.pdfIn PDF document text
- https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/piganasukowoxovutidu.pdfIn PDF document text
- http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/penibaso.pdfIn PDF document text
- http://drumlockingclamp.com/FCK_Editor_Images/files/40959236560.pdfIn PDF document text
- https://mundolibre.cl/uploads/userfiles/files/43598612947.pdfIn PDF document text
- http://ylpqzl.com/ckfinder/userfiles/files/47524294730.pdfIn PDF document text
- http://ke-sen.com/userfiles/file/1631144850.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=apk+green+farm+3PDF link annotation
- 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_off0000dba5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBA5 | 17288 bytes |
SHA-256: b15cff3310dcb2de4aca3cde93bc7fd65abe71f3ab81e383a46bd7c48acce134 |
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font_01_sfnt_off00010888.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10888 | 10420 bytes |
SHA-256: 6e190dd9b60dda139a6db5443702a5c2287f466ec9b65ab38463c8fa0c663f8b |
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font_02_sfnt_off00012030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12030 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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