MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
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://oniceh.ru/uplcv?utm_term=dragon+ball+z+warriors+game+download PDF link annotation
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb6c42efb8---24217046512.pdfIn PDF document text
- http://autoshiftbid.com/fckeditor/userfiles/file/63595118625.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/65764403513.pdfIn PDF document text
- http://goldway.jp/upload/board/file/40687220139.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609412427db66---67952877822.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/1e59852a85722d539af30f879ed6ed31/xazozifaruku.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16079a76ca878c---30217187583.pdfIn PDF document text
- https://activepymes.com/pub/file/kajunuzogusamuded.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/3ef22ec79b5f931bea19ebd668bd1256/tovonis.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/2q04o534bgeiosekoapja71i0v/51190590013.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16096793788387---lobelazowelipevapefisanon.pdfIn PDF document text
- http://esipro.fr/userfiles/file/jizimijolivuv.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/2d7bcd2ae639d2c4d3d7039c6878f4a0/panonizugajavaduzelupegim.pdfIn PDF document text
- http://beulahcooleycollection.com/clients/870349/File/ketoma.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/1vcq7mm7k7tqbh4d7argg86mu5/zetonejuvotatumadepan.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_off0000d938.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD938 | 5132 bytes |
SHA-256: c45bb7615a097f63b6f5dcedd9204f2f03159900144085b60b48d1f03170794b |
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font_01_sfnt_off0000ea98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA98 | 10748 bytes |
SHA-256: 40d53b532ab85304a59b6d68f0e6aab9b5966a8b8b915247c697d4793d21b0c3 |
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font_02_sfnt_off00010f00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F00 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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