MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is a common technique for executing malicious code within PDF documents. The presence of numerous external URIs, many pointing to compromised WordPress sites and utilizing link farm patterns, strongly suggests a phishing or malware distribution attempt. The ML classifier and ClamAV detection further corroborate the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/4c589192513f6c757202f422cd6c0f6e/38878876049.pdf In PDF document text
- http://orosweb.hu/ckfinder/userfiles/files/36305511610.pdfIn PDF document text
- http://classicalgardenornaments.com/uplds/file/xorogusanaxubunezokokug.pdfIn PDF document text
- http://zezoalza.com/ckupload/files/2786070162.pdfIn PDF document text
- http://www.patriarca-batiment.com/ressource/site-image/files/69412093191.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/5e52f3bc1e9cf464d15146a875a5d7da/18287124313.pdfIn PDF document text
- http://fzsvybbs.at/userfiles/file/37678514413.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/88f908942ab326e6655a684a1635adbc/ledenupafemixonomunej.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/egfmfn68qvjcbl6bua4e2qq9r0/41929729418.pdfIn PDF document text
- http://trans-serwis.com/userfiles/file/fejoxivosi.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/9fe29c47e526536a2f4bd630897f7ab5/14535547341.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/793dd5c85f4fb0f20b9d5add67de806a/7466513398.pdfIn PDF document text
- http://status-go.net/gfx/userfiles/files/91723532960.pdfIn PDF document text
- http://chemonova.com/FCKeditor/file/xavedud.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6a32c0087---zugulolonomerosejix.pdfIn PDF document text
- http://jeansresource.com/js/ckfinder/userfiles/files/kilulanojire.pdfIn PDF document text
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/tk4i260jm5f4p863hkj9hq0tik/350751475.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9e40c8e80---20117779425.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2532bd9f3---37689373280.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ab53605ff---5572769611.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/71071405018.pdfIn PDF document text
- http://decom.pro/admin/ckfinder/userfiles/files/22294767552.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/bb3772516fe8ba3a27db9e1dcbc4f94c/kilipuwogaxuxaximuw.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c08f1092c10---pefuponamuvuzikenudob.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/88786085700.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/7o61ba2brs2oq3e76eg0m8lui2/tusitomimuven.pdfIn PDF document text
- http://bocghebinhduong.com/media/ftp/file/13241504274.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=are+you+allowed+to+drive+if+your+deafPDF 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_off0000f64a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF64A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010e5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E5C | 16948 bytes |
SHA-256: 48063bde41c1c8d78e9c52c42bfd255a8070fb642e95e5092814858bb000cc56 |
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font_02_sfnt_off00013a7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A7B | 10424 bytes |
SHA-256: 0707c24ec1d3d5fde016817cb499c374b5baa9eeeef8c6805e1c1265c3503b7c |
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