MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. The document body, though heavily obfuscated, suggests a lure related to 'Antminer setup guide'. The numerous embedded URLs point to compromised WordPress sites, likely serving as a distribution point for malicious content. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports the phishing and malicious distribution vector.
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://crysiq.ru/uplcv?utm_term=antminer+setup+guide PDF link annotation
- http://a2itsolutions.com/chop/multimedia/userfiles/file/8624326206.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/3lmk6cv7ku05sgp7gorfcd9ja4/zetupemuxepi.pdfIn PDF document text
- http://sooclose.eu/upload/File/zukevebutapepalekuk.pdfIn PDF document text
- http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/903e21f4f785f0939a9b5b124dff20a5/kexeguso.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/28ec2ddcc55b04c2bfb506d6139a678f/bewil.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9681b81af---76572025699.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078e4db75853---kiwonerewusefatijiv.pdfIn PDF document text
- https://arerp.kr/data/file/%5C/79204258753.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbebfdd9846---fivovidivoletipuxo.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160767eecb2a16---57145959458.pdfIn PDF document text
- http://vitanova-cattery.com/upload/file/ritoxotafuka.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fee9db9196---87959894864.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/io7fovgiuok689o4cns52t6rc6/1556483620.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/17a4b4b4ff085b639116e898a5df6887/84836524382.pdfIn PDF document text
- http://centralcogtc.com/uploads/file/naxap.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/f8f07cfdc20e248179a6939cb947cb93/72687275035.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/17206332d70ee2a392d690f5ee64ae1a/degusivadozepilub.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_off0000ca2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA2D | 5028 bytes |
SHA-256: e7a4841a0efa6728c3e05bb24404cddb7ebfb6d8a9e6918a0786593ff88c8f61 |
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font_01_sfnt_off0000db33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB33 | 9636 bytes |
SHA-256: 2269c0ac7682bd912f90b5afcd2fc2162762772b712115a09f7cec4d8e1dbca4 |
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