MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ClamAV and an ML classifier, with multiple heuristics indicating it's a link farm pointing to compromised websites. The PDF contains numerous embedded URLs, many of which lead to WordPress sites utilizing the 'formcraft' or 'super-forms' plugins, suggesting a pattern of hosting malicious content on compromised infrastructure. The primary attack vector appears to be directing users to these external, potentially malicious, URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078abd3981bc---rufirazokuvajodixijo.pdf In PDF document text
- https://weeb.nu/userfiles/file/nerolovasid.pdfIn PDF document text
- https://ipekyolumedya.com/resim_galeri/file/pavelenofuzosasoviliged.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/61ab071c4f58a4009a46a711e2a5ad2c/94442854846.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/ea497ce9b03e6324f25f2d81121dd3a2/rogabofi.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/bc1b40284dbf5758ce8b2e7aeb3a6057/nabidoronosoko.pdfIn PDF document text
- http://beveragesgs.com/userfiles/file/36093945248.pdfIn PDF document text
- http://irs-messtechnik.at/upload/23630732431.pdfIn PDF document text
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc628bd907---99280516565.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c3f0d189ccf---bojikujonuxokalegujiful.pdfIn PDF document text
- http://bydnjl.com/userfiles/files/tusakinefevamakali.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/pls3cc2n0o58fpmsm7pb0q7pj5/mizezofabokapobarajoxabi.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5da862d58---58500532264.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/iencs1fldaudtrrbi28ctp5h5u/48927510339.pdfIn PDF document text
- https://securitydm.rs/slicice/file/67371487601.pdfIn PDF document text
- https://motty-etai-sharon.com/files/files/dilerenujunudavoza.pdfIn PDF document text
- https://waxparadise.pl/userfiles/file/bevasozavakuxogalu.pdfIn PDF document text
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/6f1484253b9a463de4e72dbba8d10057/mowebutupuwifi.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16084d2e026411---mixutajametavofijovupir.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab866d6ab96---51504619949.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/2ca975f411db1c3f2e2bd0162b6e3664/demokokegakepaxakeg.pdfIn PDF document text
- https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/13304406437.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd78aee92e---25328971579.pdfIn PDF document text
- http://hotechike.com/files/files/pekawosewidel.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/tijewunexetere.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=traumatisme+oculaire+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_off0000e82c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE82C | 19880 bytes |
SHA-256: da2c63fd67913449224adc4cba91621ad2bb666a3c6c69cd6b41a087659a8891 |
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font_01_sfnt_off0001195c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1195C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013173.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13173 | 10740 bytes |
SHA-256: f493477914483e902f417cbea2b8c000c239648d17d69665275488dd6176f21c |
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