MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file contains numerous links to external websites, many of which appear to be hosted on compromised CMS platforms or disposable hosting, suggesting a link farm or phishing lure. The document body is heavily obfuscated and contains what appears to be metadata from the wkhtmltopdf tool, but no clear textual content that would indicate a specific user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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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://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b6a4ed1c305---50418464997.pdf In PDF document text
- http://loscogliodifavignana.it/userfiles/files/fagewo.pdfIn PDF document text
- http://alt-1c.ru/userfiles/file/28998130846.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/lg2bqa1ld7bqdgt1o0l3d00lam/72716093372.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/6863682631.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/uzebefikanuje.pdfIn PDF document text
- https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/98550391177.pdfIn PDF document text
- http://adria-ex.com/images/blog//file/66781659431.pdfIn PDF document text
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/0fd1b4ba11fc876513d1894d61a52da1/gomuvi.pdfIn PDF document text
- http://www.lebedosapartotel.com/data/yukle/files/99741549630.pdfIn PDF document text
- http://udclassof1968.com/clients/74076/File/77074426661.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/a0c1f8f2a1250b100882e8d750f9a7ed/9052551717.pdfIn PDF document text
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/bfju99fvrpu5ob29363dj72k1b/1510029313.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a76b6ad8ccb---90172272905.pdfIn PDF document text
- http://oresteruggiero.com/userfiles/files/sabipebuxevunolubi.pdfIn PDF document text
- http://losmarinoslanzarote.com/marinarubicon/admin/file/95790942926.pdfIn PDF document text
- http://1utilaje.ro/mm/file/maleb.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/e7pn9sal3tsjavvvil2i173asf/zatife.pdfIn PDF document text
- https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eefcd14976---kexupesejakasotakawa.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16118598aa9233---xenopudijovamakosafopu.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/g9rb728r89tn1ph79jbfghp1u2/kunifona.pdfIn PDF document text
- http://domeinbeverdonk.be/assets/files/file/10392412649.pdfIn PDF document text
- https://cecprint.com/images/file/9085782884.pdfIn PDF document text
- http://www.deewanalarab.com/up_imgs/relupojutenob.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=makalah+tekanan+hidrostatis+pdfPDF 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e508.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE508 | 10680 bytes |
SHA-256: 63013bcf0735ff988ba2aaaf8d93bb31c0b52454603226bb3cbe52a3fef1e787 |
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font_01_sfnt_off0000fd6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD6F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011581.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11581 | 17788 bytes |
SHA-256: fd629c831a67fdea7752bae0f079dd9dc458ec6057815e3fefc4f110e01deced |
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