MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, each hosting another PDF. This pattern is indicative of a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://refour.eu/wp-content/plugins/super-forms/uploads/php/files/021d76b5d08d6c0de1c4ab0391483f41/lokadebetuzuvuneb.pdf In PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a847484c6d7---2688064271.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/048b3d5b1952694a62f789c2c518be3f/80455593573.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/ea4329c38161928bca56ea6d7ed4e916/88083393828.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/87bf0aa8fd0a31d87628a8b9c3c7d927/28719372102.pdfIn PDF document text
- http://aaz.sk/editor_uploads/files/34251214472.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/46061224910.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/180899873660c593c762394.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1567b9b04---39862196295.pdfIn PDF document text
- http://royalwedding.jp/images/blog//file/25058720983.pdfIn PDF document text
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160811f1d32383---gufotatuf.pdfIn PDF document text
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/61ef460a9d9bf4d6507b71c2d47186d2/dowabamajipixavamupadopom.pdfIn PDF document text
- https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/lvmuhvucb06r8e78ulksmj3e77/20899337174.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c784136465---poponivagi.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f95956ec1f---gabixo.pdfIn PDF document text
- https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/aaab77a3bc5ad49c5f6e8687352debcb/97140415909.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/~3/1KS0DP0cxss/uplcv?utm_term=2+girl+1+sandboxPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d366.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD366 | 3104 bytes |
SHA-256: 3993e87ae97cddbe385fda281020f081c225a3c7c599bd41b3ece8e6ff0e4ec0 |
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font_01_sfnt_off0000de4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE4F | 5288 bytes |
SHA-256: 3495a455bf90c55fe3861bc48c25b3c278a9b8a63a3d0e1bb98b65096fe4ed62 |
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font_02_sfnt_off0000f05e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF05E | 16632 bytes |
SHA-256: d88ddd30978344de338a87a2ab90220320a82d8f5c679ddc21aa868f6690b95a |
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