MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, many pointing to compromised WordPress sites, which act as a link farm. These links likely serve to obscure the true destination and distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as phishing or a trojan.
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://chcial.ru/uplcv?utm_term=north+and+south+tv+mini+series PDF link annotation
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f6d8519bd95---wokawu.pdfIn PDF document text
- http://grandchainfamilyfoundation.org/clients/85333/File/turalewularidutusi.pdfIn PDF document text
- http://ugrctrani.it/userfiles/files/67704281721.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/p53pvgbtic416n9ljq77vf04b0/xazufufotileruxasato.pdfIn PDF document text
- http://crm333.com/documentos/file/5682647643.pdfIn PDF document text
- http://podushka.by/files/files/wisojulavon.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/3kb44kplg19pdtmfsn9uuu95fq/vejonediwetijilozozav.pdfIn PDF document text
- http://dd-eng.com/files/files/12695982155.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/badagedaziponexamatigunix.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073dc8615f0b---8380811621.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/bda46n5i3h9pl63d6tku1daf2f/71231597071.pdfIn PDF document text
- http://champaigncursillo.com/userfiles/file/18939835796.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/7409121966.pdfIn PDF document text
- http://netinflux.net/userfiles/file/77014459923.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160dde03a740eb---mibebodimisugoredifumesox.pdfIn PDF document text
- http://mictrogiang.com/userfiles/files/tupokawir.pdfIn PDF document text
- http://centromp.it/userfiles/files/xopem.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607bce08bf2f5---vebulosulipopigozekaxas.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/a5f40deece2143e9edf1a0ce8aaa6481/44198801162.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/9674a50cbc1dadf28094e51693f218f2/83958896547.pdfIn PDF document text
- https://aspit.ro/imagini_ws/78056734205.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_off0000b3cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3CF | 15968 bytes |
SHA-256: df6a07e6160b9b12e5e41a6ce550bee6238eaf98a7c0ae36d5aa7127ecc359e9 |
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font_01_sfnt_off0000dca5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCA5 | 10612 bytes |
SHA-256: ebbd692bfd03d4f54df90e83ced59870b9710283a4fbd1b77302ed719783eab2 |
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font_02_sfnt_off0000f4c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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