MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed for SEO poisoning or phishing. The primary URL, 'https://krisoc.ru/uplcv?utm_term=watch+charmed+1998+online+free+putlockers', indicates a lure related to free movie streaming, likely to redirect users to malicious content or phishing sites. The ClamAV detection and ML classifier strongly indicate malicious intent, consistent with a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://krisoc.ru/uplcv?utm_term=watch+charmed+1998+online+free+putlockers PDF link annotation
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f6db7f513.pdfIn PDF document text
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/8edf44e79396cf47dd8a9095a598dc00/gedavusewajowitedeba.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/bbomdr771c5fim4ifv47bkkti2/niviz.pdfIn PDF document text
- http://www.masozilina.sk/ckfinder/userfiles/files/63072141918.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/mebifixolinamokumifo.pdfIn PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/f05335b6487c65401d17c3f72a4cd7be/kijixujubob.pdfIn PDF document text
- http://mobydick-band.de/fckdata/file/11006782348.pdfIn PDF document text
- http://pr-jam.com/ckfinder/userfiles/files/39921232670.pdfIn PDF document text
- https://menu2uplus.com/images/file/50709336005.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16078cda18968b---biwufugotarufoze.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16077549e4b533---25357145231.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/2372223589.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b56373eaceb---memozoluxefibagamuwubosa.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/641c97c542919dc15f118a2d2c23cb2d/surofigo.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609af4e1cbb7e---95130132579.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
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e8a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A3 | 5876 bytes |
SHA-256: 3c76249620513254c317e9f10724e1053b15c7beb75f799b442145ea7c71707b |
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font_01_sfnt_off0000fc8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC8B | 11700 bytes |
SHA-256: 9bad1e87e994b4c072b2d47343c6f2d6d517f48b9822a6d4d06b44885373825d |
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