MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file is identified as malicious by multiple heuristics and ClamAV, indicating a phishing or trojan payload. It leverages a link farm hosted on compromised WordPress sites, suggesting an attempt to distribute further malicious content. The embedded URLs and the nature of the heuristics point towards a phishing campaign disguised as a resource for Excel VBA creation.
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://oniceh.ru/uplcv?utm_term=excel+vba+create+worksheet PDF link annotation
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082eeb1c9d5f---88435820588.pdfIn PDF document text
- http://chnli.tw/CKEdit/upload/files/doxejumufeputafe.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16085ffb9682fa---wisenigupomivowakobamuz.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/91232065070.pdfIn PDF document text
- https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070411fb95fd---subapenarovi.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4d4bc2600---guwad.pdfIn PDF document text
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/75cc05a7a6a9cfa36a989e549c168bfd/kalonivilozanuruxolokufe.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/sepipixerav.pdfIn PDF document text
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/06196431a922b81721a068fa6fa84b51/viwakemufukevulasamisom.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a209252e75a---dipataxawun.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bef78b8567f---26544794662.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/badae9d5c136393c43e86ca8008a9adc/totevafupegexapadab.pdfIn PDF document text
- https://kanalprofi.at/UserFiles/file/2402164846.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/6dc7631f25122e222d0ef9957d78966c/13338667510.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/dos4cvvrvgmvfu44sou1ev21t0/wepap.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/svl21p0n18l58hl43p9bobi1sg/sepogutudutifewuzijonugi.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_off0000ee53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE53 | 5268 bytes |
SHA-256: eb29c12944e7cbb9e860b6029443283f4a3387ddcd162c776b4e59a09bb0f866 |
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font_01_sfnt_off00010057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10057 | 11024 bytes |
SHA-256: 9ea3dcd993c061f3661a1bbea4ff836c40dacc15ad0088f519c597648dd70884 |
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