MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised or disposable hosting sites, which is a common tactic for phishing or malware distribution. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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://messianic.live/wp-content/plugins/super-forms/uploads/php/files/c82b87bf8ec45eca6c0dcfbcc7a7682e/87901089422.pdf In PDF document text
- http://checopharma.com/upload/files/39722296528.pdfIn PDF document text
- https://poganyvolgyi.hu/userfiles/file/gexekidebojote.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/8aba3d01434d268a5852b8e740de56b5/limukifag.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16089f0861aecc---jifunujexememubowule.pdfIn PDF document text
- https://bostoncake888.com/UserFiles/files/dosejuvexe.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/42431399467.pdfIn PDF document text
- http://upoart.com/ckfinder/userfiles/files/supodapafok.pdfIn PDF document text
- https://rockdental.co.uk/wp-content/plugins/super-forms/uploads/php/files/ed30e95e162da7efe94ee1dfecec2146/telewu.pdfIn PDF document text
- http://vegman-kzn.com/ckfinder/userfiles/files/76518635444.pdfIn PDF document text
- https://stiglic.sk/userfiles/file/42392886731.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/70811838052.pdfIn PDF document text
- https://toscanafantastica.com/userfiles/file/74206853674.pdfIn PDF document text
- http://terralindahigh1981.com/clients/866868/File/24124406503.pdfIn PDF document text
- https://cortemadera.com/wysiwygfiles/file/kujopufumigijogew.pdfIn PDF document text
- http://j1medical.com/uploaded/file/tital.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/f1048f81fb94a862023b25b69b524372/xifapo.pdfIn PDF document text
- http://phdpecs.hu/userfiles/files/xukex.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611c0807e0cde---37881925239.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/19607d6ea35f78e0054312050f3f8e41/4802461979.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/oej2c4beol0kk6r1pnron7mca6/tavilaj.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7b286d93e---60004773132.pdfIn PDF document text
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/c80e002df12096e1925bb5d405da3247/91373561514.pdfIn PDF document text
- http://epplast.com/files/file/vilejafoluk.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=talented+students+pdfPDF 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_off0000bd4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD4E | 10240 bytes |
SHA-256: f2c3ef169e8c67c7d19a57270838aaeec15f3362482b614600fc7d2f353217ef |
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font_01_sfnt_off0000d472.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD472 | 16316 bytes |
SHA-256: 36e9de824cf2fc8f03fb4ccc378402dc4d4b56232e2003e488a8351cee141b05 |
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font_02_sfnt_off0000fe42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE42 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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