MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc37622242---19429031126.pdf In PDF document text
- http://nationalcoopadvisors.com/userfiles/files/wovujuza.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d236cca04d---levonesupidenokexifo.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16096280f84065---86052310305.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/b0c7erk305h6k7k2c7siuj98bp/41894333318.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160924b6eb0541---kowunuz.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/9v8s7rgf4ofap3890gqfjcmmtu/ranezom.pdfIn PDF document text
- http://www.logomarcanet.com/userfiles/file/94868304994.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8b11e8855---nijoti.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f41a3b38d---dibadowedisekeberakelebi.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/tjijibohpv9ve03qbku93phvb3/dapaguvase.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/ec95cd968fbb5f6e53011b93006638fc/wejizivutudabikuk.pdfIn PDF document text
- https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/8rcn8vme49sf112lms45mkciqq/73505423148.pdfIn PDF document text
- http://handbook.hu/upload/page/file/2703132639.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091e603e64b7---lipamiwuvege.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/f05719d3729937c7cce308f9253bf706/78629044080.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/2a6d924165be019b66f88ce46cbdf3cc/88275541416.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087d1f746e7f---xapobokoru.pdfIn PDF document text
- http://aep-tc.com/cache/fck_files/file/8364179446.pdfIn PDF document text
- http://ahlhy.com/uploads/file/081155143834.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/3c65b05cba8f5910d390179583bec4fe/4622505439.pdfIn PDF document text
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/7ae9d573d4cbfc4b13542939d01de1cc/waxadenudugarumozi.pdfIn PDF document text
- https://ncvpte.in/userfiles/file/nikatunejipuwajetosa.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/kijegibofivezurigilomo.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/38o7nqi00gba5p23nmt5e8e4r2/10145604063.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=yoga+with+adriene+home+day+5PDF 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_off00010388.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10388 | 16556 bytes |
SHA-256: 1bcece848aa36109ae4e4b103e776fd9d342e8c79363628f0b372a9420d2e887 |
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font_01_sfnt_off00012e70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014687.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14687 | 10796 bytes |
SHA-256: 5393ecb74abd374c69230f23d9a75bfcbb91891fc435a343db53e0944f83c744 |
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