MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress sites, suggesting it is used as a link farm to distribute malware or conduct phishing. The document body, though heavily obfuscated, appears to be a lure related to shift scheduling.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://queure.ru/uplcv?utm_term=how+to+create+a+shift+schedule PDF link annotation
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160947fdd4c5f0---goxumizeniwojojeremesuwul.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/e84235ee590626a6f0ce2393bbb99ce4/16446026745.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16083e8b9284e6---lolanegodumepokejexalaxam.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089f1dac058f---sabisesufusugasemupimerem.pdfIn PDF document text
- https://terryhaas.com/wp-content/plugins/super-forms/uploads/php/files/bc58922cc8f3362fc544166d6b2bbaea/22300535435.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160ab6d40205b6---87077089295.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/o27jpv23iumd4pt332sh5nqstp/45300769382.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16090963735075---60247061723.pdfIn PDF document text
- https://systematix.pl/userfiles/file/5490441039.pdfIn PDF document text
- https://audreyheselmans.com/_files/file/87160614045.pdfIn PDF document text
- http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/08f259d3cb77a4da2872a0476a7b88c0/bevosurasinuju.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/f86e8960c9d73181a0fc5e83739d059b/fikasubimemubavasobuv.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/c1647b360cc3a015553451ea7da937d6/442556387.pdfIn PDF document text
- https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/dd08bea9f979b71b7919cebe30a933ac/gopawewa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ca4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA4E | 4936 bytes |
SHA-256: 35fd6177f42909899792e4b5f71e1920c3c3a39f02da22c6748bb693a7ece651 |
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font_01_sfnt_off0000db2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB2F | 9576 bytes |
SHA-256: 633d3937dce1cbac6a9fddf046d8db04983462ddc2feb64da350bd14bfdc7e8c |
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font_02_sfnt_off0000fbeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBEB | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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