MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple external URIs and link farms indicates an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9878
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://chcial.ru/uplcv?utm_term=race+to+incarcerate+pdf PDF link annotation
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4123522492---56421280668.pdfIn PDF document text
- http://champagne-marc-chauvet.com/images/files/vereg.pdfIn PDF document text
- http://korytnica.net/data/files/3851147304.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/71ii6g5f3s6uqlpulei0qh1da6/nelox.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa248677aa4---liluriroxivedo.pdfIn PDF document text
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/f5b033381da1c8b8c40ec317200f858b/50801530962.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160915dbc1999d---dimuwexojo.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af97718224b---45163935644.pdfIn PDF document text
- http://kancelaria-perfect.pl/app/webroot/media/files/81922317048.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078b99bb8de7---kigaratuvi.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/6uubvdu9jj2lhuiv726u1vq392/dasoloxifanalepugalex.pdfIn PDF document text
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/d7da318273635e0b5ccd4be955728994/5566516926.pdfIn PDF document text
- https://ivanda-commerce.hr/userfiles/file/65444602542.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/56681222330.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16074a0b7dc62f---48709738506.pdfIn PDF document text
- http://analogsys.com/uploaded/file/20575085360899b5d0754e.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ba0cd2611cf---zimojevujinunabikarofuju.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160adc49aa186d---vizobunabaminow.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/gapaviwagudegojuparuxev.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/0l6soofo4bvs24iph5ao97u694/69819583203.pdfIn PDF document text
- https://quangcaonoithatgiahung.com/admin/webroot/upload/image/files/81969924650.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/42846100865.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609906ab727f4---57324909419.pdfIn PDF document text
- http://villabrown.it/userfiles/files/25668833186.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1609face9a5932---97679390270.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/1c5e7c143a35ae1ce271e4f6f26d9ced/pafemivakowajodimurixa.pdfIn 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
- 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_off00019b73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19B73 | 10444 bytes |
SHA-256: 51aa448893778cb035b92a23ceed57d8c9814e234a7fdb6c45bd18bc6d261d90 |
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font_01_sfnt_off0001b340.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B340 | 17480 bytes |
SHA-256: 6d54f8ba7c8a4b28750296362539d6cb4fc936e332650ab4aec6feed2c9fa5fc |
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font_02_sfnt_off0001e159.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E159 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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