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 high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. While no scripts were directly extracted, the structure and URL patterns are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 http://tebsc.com/clients/84181/File/legedemifilarojineforiza.pdf In PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/6s79f4b16rbtgfnkk6iam0p4r8/jivezibudasolo.pdfIn PDF document text
- https://steklo-shik.ru/userfiles/file/wetitoratojageze.pdfIn PDF document text
- http://3bbb.fr/ckeditor/upload/files/46126429132.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160a1df022db80---tosizimigopun.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc15d5d56a---26219213104.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/ma7p42prt9s3uoa5ifjam69u33/84311548566.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210517012028_1317395847.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/060bd8dfe7f354ca0ffb4f42ceb7189a/38440562510.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb807d04f19---kodisirujosukomu.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7143e5a2d---mowedozojadaguromi.pdfIn PDF document text
- https://ckmandarin.com/uploads/51259025850.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/noaeihpnemt9v1a7f80vtf899v/nexulanofo.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/h9u1j49nv6h3s13bmcqutrkrr0/vitagigo.pdfIn PDF document text
- http://tillmanfamilyreunion.com/clients/b/b7/b7385abc5988d1ee605fea7695e3d00e/File/96128450478.pdfIn PDF document text
- https://studiorampinelli.com/file/46258450567.pdfIn PDF document text
- http://timavoshipsupply.it/userfiles/file/62556590470.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/94798959170.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/68a1ba1a248c9394ef1bbf02e8da1663/mozutopuvupezimabizo.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/0rbmm9hv0kvsf6ud7u0qirklk3/gosusupuvo.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/fa1a5ab1cdb070cc2111ac05c46dc80a/zudaruxolerixaxatevap.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792d41c3c05---77297168223.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a95e825b59d---29691032281.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608a863bdffb7---7054751342.pdfIn PDF document text
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/52d7f32c3a1a15c4de601b52a57c91bd/dobepiw.pdfIn PDF document text
- http://garmagostaran.com/Upload/file/45884500070.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=dalston+high+roadPDF 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_off0000c866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC866 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e07d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE07D | 10396 bytes |
SHA-256: 57559172a10bed8df251d146223d4ee2f63cd89bfac56d3c9405b3b99bdb44de |
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font_02_sfnt_off0000f7ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7AD | 17456 bytes |
SHA-256: 16fee350bdef36cc20507e7936bf8b77c0c1c011732350b50c985fe54460d0a0 |
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