MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm. Multiple URLs are present, some hosted on compromised CMS uploads, suggesting an attempt to distribute or obscure malicious destinations. The PDF structure and embedded links point towards a phishing or SEO-based attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/0929fd14acf3417af2c426338ac07708/94249205243.pdf In PDF document text
- http://timebank.ru/sites/default/files/photos/pagefile/julovupujomiditumuzunira.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1608379ded3aaa---42858281105.pdfIn PDF document text
- http://dorp.pl/userfiles/files/botugisosog.pdfIn PDF document text
- http://baaningdoi.com/file_media/file_image/file/kinazimixodugado.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/c2c5c8a8140f8c9893f2fc2d8f5cdd67/23825202845.pdfIn PDF document text
- https://sportsht.com/userfiles/file/62487646376.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16079964075295---26073554992.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae4030588e---bewal.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078e8dc5ac29---jazedozobudapatezulupod.pdfIn PDF document text
- http://www.look4job.gr/images/_user_na/file/65224001039.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/c46c9b7cf41fb61dfb15feb6ea923067/67868664952.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9631f31dc---dimoror.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/euhru6t4npnpiumkhl6gnnh074/65480431337.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c65c221af57a46fece6762e1d92dbb75/94047818944.pdfIn PDF document text
- http://timavoshipsupply.it/userfiles/file/84848879316.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e4add797d---96434628749.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ee7f5e36c---10362045042.pdfIn PDF document text
- http://someteme.com/archivos/_20210619105340.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/57e27ab98a90d99f71c6af082665f24b/bubotus.pdfIn PDF document text
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/nntlu39mirbavpj2d0efb8ooqp/larujavirozipefizedinizow.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b96e83b4923---50523253475.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/p83d0smmhpct45f6lj3cuvo3ok/43343981973.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/0ab71086abab3bbdceb4b5e4e12dda3c/99696679296.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=one+leg+swelling+causesPDF 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_off0000f460.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF460 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010c77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C77 | 10296 bytes |
SHA-256: deaa0583cbe1f885b8f354a3831a1add2dc635d75b461dee695f5aef778d6c7c |
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font_02_sfnt_off000123e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123E3 | 17480 bytes |
SHA-256: 21e440683992b48747217521e569bceca1723555cd57b1b96ae1b20e697234a3 |
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