MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The presence of external URIs and the overall structure strongly indicate an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9790
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://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/v4m2hqianea4cr1ef5uda3os0h/ginapebavemetozamawobazen.pdf In PDF document text
- http://ggmtc.net/userfiles/files/21883099347.pdfIn PDF document text
- http://interstyle.org/content/xuploadimages/file/20323319306.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/0cvtvvev4mm7bf0ng7tj331eot/56386156372.pdfIn PDF document text
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095b1de5bf87---96091624008.pdfIn PDF document text
- https://skyzoan.com/cake/beta/userfiles/file/zatesurusifekurubokus.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/160bc541440c8d---bobunogam.pdfIn PDF document text
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/0e73t0cb9103lf8m2bk80db7vh/75978011465.pdfIn PDF document text
- https://egf.tw/test2/images/file/piwosuvu.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/483f014bfd50c9813bf52b01a1ce89e9/92793461956.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd913da4bd---rixevemuderevubutuwina.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160782f6b8c003---70526936292.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/3da831a67e8d5896b9b4b45a0c98cfbb/94307808669.pdfIn PDF document text
- http://cl-metalparts.com/d/files/pezulekusoxojajosunitirat.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/7cmqkbk1ag63kagojfoavp4r9t/55479037188.pdfIn PDF document text
- http://wedding-ideas.ru/ckfinder/userfiles/files/nizuw.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed0bba1bd4---tunafobawosusul.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9bea7c12e6---metikidadiwezizomutul.pdfIn PDF document text
- http://mg001.cn/upload_fck/file/2021-5-6/20210506165814931786.pdfIn PDF document text
- http://galeriejacqueselbaz.com/userfiles/file/89582347278.pdfIn PDF document text
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/sizerigike.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094dd6616e72---28706701339.pdfIn PDF document text
- http://icltindia.in/userfiles/file/51781216056.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfc71483a1---guzewonasevinarizo.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813c4e26d5b---bijuvijigavajubogam.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=cat+padding+and+purringPDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/32242768397.pdfIn PDF document text
- 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_off00013520.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13520 | 10232 bytes |
SHA-256: 1dfca242f467f1054ad5af9829e7ae059597ce9942df4466e51d8b925485f533 |
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font_01_sfnt_off00014bfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BFA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001640c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1640C | 17080 bytes |
SHA-256: ae6f9e229aad35582301c79917f9e654e00779533663772238091caba66d8f58 |
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