MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier. It contains a link farm hosted on compromised WordPress sites, indicated by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The embedded URLs point to various subdomains and paths on these compromised sites, suggesting an attempt to distribute malicious content or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16096c9e17961d---vujukefur.pdf In PDF document text
- http://alphabodysupplements.com/newerac2c/userfiles/file/jinanamo.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2484b680c2---1483632283.pdfIn PDF document text
- https://gw21.ch/uploads/userfiles/file/26502769129.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/8f4389c72a09478a5b001258a0edcd82/36626376397.pdfIn PDF document text
- http://soundreaming.org/wp-content/plugins/super-forms/uploads/php/files/187973d1cdc6d2f696260ad3aa55df06/66698725502.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/8k6k80u927l8j91ebkfoi5be11/19259734950.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/gqk40ljbe6me0j50dh7s3a5ft2/wotozukowelirukegovejus.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddf0ace72c7---12517560739.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607157a783be5---76724894954.pdfIn PDF document text
- http://cfacgroup.com/uploads/FCK_files/file/81164971067.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c12993552ce---tajimizu.pdfIn PDF document text
- http://spoilersmensgolfclub.com/clients/865201/File/pebusunoso.pdfIn PDF document text
- https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/911da5fe0f88accae4e9325fb59ec735/23880577390.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/99e122f3769b378a531dc47f22d9142f/61688933200.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/4d3ab0a6b89874c051e675d6d876e00a/jatinaginilupigakiratito.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/jp5cjh9pne2qe9l4gblbm7i3n9/26427790093.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a43c345a4---mipegivufarasenasadi.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160ab215163fff---6110993858.pdfIn PDF document text
- http://menafundinfo.com/userfiles/file/27800418098.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160822f1800330---1295500441.pdfIn PDF document text
- https://tavio.ru/files/file/lafarokefonotuzem.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160cc97d60827c---28205566071.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160acea863347d---31641375773.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=meaning+of+to+make+peace+with+someonePDF 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_off0000fb2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB2E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011345.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11345 | 10952 bytes |
SHA-256: 166a60e4652081af568426665f13480a530a6105fa213f1cc445d27abbc240c7 |
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font_02_sfnt_off00012c97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C97 | 17160 bytes |
SHA-256: e653d378462bbf78a2d74b674f7b26aba60c5f38cf63cb9b7f8b25639d8911d2 |
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