MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic suggests the document instructs the user to copy and paste content into a command-line context, likely to download and execute a second-stage payload. The numerous embedded URLs pointing to compromised WordPress sites further support the phishing and malware distribution nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607de3565adbb.pdf In PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b2daa1ec942---wasitifaxuwasutuwu.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/2qbaq7lia665nqt68jfnnuhlog/15114937981.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160a773e5669c0---47351702877.pdfIn PDF document text
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/29un4chi12dt17i5ug5jccethk/nakupiketulege.pdfIn PDF document text
- http://liddellgaryfamily.com/clients/863293/File/49805463606.pdfIn PDF document text
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/835afb4142f1238c12fb2753abe6ffef/51603347433.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/la9l9v3so2jojp50obbmdedi58/rimozorezizodonajuv.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/aa4f210196d65cc8b933c8e238f7e7dd/10112356134.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6a725703df---vuzizidemetadegowofidifo.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/b81a4a950d2c673781bb35b82898046c/69075156126.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c62d67834---31574677370.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/196b7b12db92bc78f182f0c893b9ddba/tosorewigeg.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/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=free+drawing+program+macPDF 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_off0000ec8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC8C | 5232 bytes |
SHA-256: c37cb51a1890c227fcfe8763489f7757c1895c837a1696a4bf5f8efaf8daf724 |
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font_01_sfnt_off0000fe5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE5E | 11132 bytes |
SHA-256: fe063c0755ee663d916ff53c48594633eee774838025b87286c7ceaa1d4460e7 |
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