MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links, many pointing to compromised WordPress sites, likely serving as a link farm to distribute malicious content. The document body, though heavily obfuscated, suggests a lure for a 'free download', aligning with the phishing nature of the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=bubble+breaker+game+free+download+for+pc PDF link annotation
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8830452bee---tigaja.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/e969c22e2f99ba8e49090f050e7bbe39/diruxesagebasikimudolisex.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/nsoqetu0e8n1nhf6c98lnonjvv/vuxerizelulo.pdfIn PDF document text
- https://anmoul.com/userfiles/file/29907884259.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/npfgkneph3clhcdjqfau73oht5/46190503498.pdfIn PDF document text
- http://zonazero.es/userfiles/file/48305548679.pdfIn PDF document text
- https://unosms.us/userfiles/file/34966992107.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b500b196b37---nupiz.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/50574b52c88062d19feef1b0537d1324/16964332167.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/c56bb98bd9e551e62ee6503dacc7efa0/pokalunuligedason.pdfIn PDF document text
- http://lasfyy.com/uploadfile/file/20210531190019548.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/c999e902a02543dc4a2e81f276f14e78/puvojesegodanut.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7960491075---bumetotolir.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd1d41de22---fobesiga.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_off0000e8bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8BC | 5644 bytes |
SHA-256: 2b5daa54bed0edf7504645e503b3e4e7c01c8057cc7b878002a877f4d0ec2163 |
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font_01_sfnt_off0000fbf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF1 | 11016 bytes |
SHA-256: d75acb1cbe4d8b7c70917bd76469f16b4b6141fec99b6671582cb85ca9e242cc |
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