MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. The presence of a 'Password-protected archive handoff' heuristic indicates the document's likely intent is to trick users into downloading an archive, providing a password to decrypt it, thereby bypassing gateway security. The document contains numerous links to external PDFs hosted on compromised WordPress sites, suggesting a link farm for distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://aldea.work/wp-content/plugins/super-forms/uploads/php/files/ea56145bf7f87a26dd706556ffddb612/sapiwevavuzodu.pdf In PDF document text
- http://yorktownhs1987.com/clients/57482/File/91488240888.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/12538e65633118cb3b8b56b4c72e5d7b/galomurexekenizi.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/53066087013.pdfIn PDF document text
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/76813729232.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085b831c98bb---7701568176.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/e77e43b0a6e5a33d1b56eba111b8af16/85410395151.pdfIn PDF document text
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/fe43c52387546392f0cb96463f948224/12495710254.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c637f83f6a3---laxuveruladudatitebi.pdfIn PDF document text
- http://eatatrudy.com/uploads/files/98980325022.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160842703205fe---jojeka.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b4edc6e8779---59567041207.pdfIn PDF document text
- https://samyenngochoang.com/wp-content/plugins/super-forms/uploads/php/files/of80vc1gm66fubg8kk8v17cppu/boxuvemit.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc5558f38d---32607613494.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=winrar+file+password+unlockerPDF 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_off0000d9f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F3 | 5320 bytes |
SHA-256: 3c3373185688bd3d518cec8250500bf433374081e90bcdadc93acf2ef1599a24 |
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font_01_sfnt_off0000ec34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC34 | 12080 bytes |
SHA-256: 37a84f88743cd89e1b38d553745c044ff3c40ccc670565e3798a78f24379a701 |
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