MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users. The ML classifier also returned a high probability of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/ce38000b7136637be1fed3535c0678e4/2947346263.pdf In PDF document text
- https://faceless.me/userfiles/files/36290520846.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb2847e580---xeniruvosikodibi.pdfIn PDF document text
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/b90449a5f2cb1f70c8e0da1e26ed9123/24030226912.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/8ff55b4504f784e2de052d21bd3cf834/99026112171.pdfIn PDF document text
- http://chemonova.com/FCKeditor/file/wekenafexivalesetej.pdfIn PDF document text
- http://ahchala.com/img/file/mibevegitepanaz.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16085812b05313---tadusenil.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b471c946707---wupofu.pdfIn PDF document text
- http://korvet-sp.ru/userfiles/file/81995658526.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078465748b64---81498471249.pdfIn PDF document text
- http://euro520.net/userfiles/file/162278214533292907.pdfIn PDF document text
- https://avgdesign.com/userfiles/file/65163558613.pdfIn PDF document text
- http://younewstoday.com/task/userimages/file/rivifunumagaliselukag.pdfIn PDF document text
- http://bakoca.hu/files/file/fatufubozusikigorar.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f70f32ecd---43641129020.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=heavy+metal+pollution+in+water+pdfPDF link annotation
- https://medlineplus.gov/waterpollution.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://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_off00011b64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B64 | 10848 bytes |
SHA-256: df23c837a0b6cc23f5e0e607769d1cace3b025e72c11e2afd94263acf0b00359 |
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font_01_sfnt_off0001345d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1345D | 17280 bytes |
SHA-256: 58273699ec28cc0bd6d4c3cb34b78c8a0280a429efe7aa0e6057aaf268c4a8df |
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font_02_sfnt_off00016158.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16158 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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