MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm used for SEO manipulation or to host malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded URLs are likely part of a phishing or malware distribution scheme, potentially leading to further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://ketchas.ru/uplcv?utm_term=coreldraw+design+free+cdr+templates PDF link annotation
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/8ef8b33a6884d9b3891b8b53a94a102c/61905336350.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/d129e22608ae68adf200f5c3516ddfff/39230187324.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e52ab3544---10695074366.pdfIn PDF document text
- https://prtl.pl/userfiles/file/31780987366.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160888a955a3bb---bilakawe.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/mgs1dq7boevqm5vf4s619vsk62/xatozovureditiwoka.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/29846476355.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1607c63d14befe---vukabevobiguloninonago.pdfIn PDF document text
- http://aftckwt.com/uploads/file/lexiratomosobor.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cafaf3bb5f---18865401219.pdfIn PDF document text
- http://gwhs79.com/clients/867100/File/banuvizebametumatabijogo.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/e9a62ac76825cf7d9f6ef9b0cdb59a4e/96792179842.pdfIn PDF document text
- https://jmtours.co/aym_image/files/56729132074.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC592 | 6744 bytes |
SHA-256: 127b44c9f93874c96d25eb7ddc4688780d8877ce931cf296363fb5748d8d514b |
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font_01_sfnt_off0000d679.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD679 | 5472 bytes |
SHA-256: cae66c7198e4ad9109919979bdd2fbb10f11beb028470eb873d92944c0989369 |
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font_02_sfnt_off0000e911.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE911 | 10300 bytes |
SHA-256: 1a01ee995f41b96a7f6d1864264dee88321bbdfcf4fe697bada0a51079a87239 |
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