MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains numerous URLs, many pointing to compromised WordPress sites, designed to lead users to download further malicious content. The presence of a 'download button' lure suggests a phishing or social engineering attempt to trick users into executing a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 7
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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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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://chcial.ru/uplcv?utm_term=raid+shadow+legends+best+champions PDF link annotation
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c48bfe6e823---91212835071.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/nakagezaneze.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16085b0b8d4bac---fajubono.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e128663900---94511236741.pdfIn PDF document text
- https://boyanbolyarski.com/userfiles/file/58548160680.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a366e80a8c---bimuponejigajuwom.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16088249d7ca2a---13279420760.pdfIn PDF document text
- http://amirafouad.com/uploaded_files/file/27872648680.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba3c227054---85527599293.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083287784d73---nusazenumaladevuku.pdfIn PDF document text
- https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/01b44255c3cc049f270db72753c60313/kavagalarota.pdfIn PDF document text
- http://wsm.hk/images/uploadfiles/file/tukitewaramifaruwajan.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/e884bfbb436b9fc8e9639825cb7d5125/95216910898.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/binogo.pdfIn PDF document text
- http://lnshiyue.com/userfiles/file/20210603005012_1739698029.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_off0000e688.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE688 | 5628 bytes |
SHA-256: 6519c965efaadf217384382778c45bb034ac3dc357febd6e327a54e875d8b5b6 |
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font_01_sfnt_off0000f9a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9A5 | 10652 bytes |
SHA-256: 2588c445c9d9f73c88622dceaa6a0afc605eb62a2b88c6b31bcd94fb93eca5bd |
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