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://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/08e4799766b9ca02a61f4636e1ba1762/jekewujajin.pdf In PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/25be657e57877064dc137ef5dc9a133f/77782114010.pdfIn PDF document text
- http://poorclarescork.ie/images/33302930944.pdfIn PDF document text
- http://bostonmentors.com/userfiles/file/85165008018.pdfIn PDF document text
- http://beta-rc.com/upload/files/waxuvuzisitagikowosawa.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160814852a27f5---26198782116.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/ff7f26d313fa0047988cb67068d2e5df/vabinofikojewudisaku.pdfIn PDF document text
- https://flardochform.se/userfiles/file/44196545403.pdfIn PDF document text
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/57318275659.pdfIn PDF document text
- http://e-kva.ru/admin/ckfinder/userfiles/files/paxivatapizuzadipigiv.pdfIn PDF document text
- http://kyanite.tv/userfiles/file/ximedatifawob.pdfIn PDF document text
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/12fdac8530f2ded1ca2bf0fff35376e3/mijegubogusorokadu.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0b4a27e3a---20753699620.pdfIn PDF document text
- http://busankid.com/webfiles/board/file/%5C/48881873.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/g4r8okn3an013sdu2bkr4707qr/63868677770.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/3rmp1aftrvbd460ip6ijf12bqn/74851721184.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=play+emulator+ps2+pcPDF link annotation
- 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_off0000f7d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D1 | 5312 bytes |
SHA-256: 2552aebb7cf328c0dc978a1efd26670216733b6a47832662613e8adc6f3f9abf |
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font_01_sfnt_off000109d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D7 | 11388 bytes |
SHA-256: 4aa46cb5539a8968cc11fd1d9f27c351764fdc41b9e3af70f199e96f56c07768 |
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