MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links, many pointing to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely leveraging a PDF exploit or social engineering.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://autowagon.it/userfiles/files/3910686685.pdf In PDF document text
- http://mnwebdesign.dk/userfiles/file/20634488084.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e47400f7ce---xatileg.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/57915d45801d6f03f30f92665d766432/83076682600.pdfIn PDF document text
- https://miet.hu/kepek/dofav.pdfIn PDF document text
- http://leebyunghun.kr/new/upload/board/files/pomabadeweriwi.pdfIn PDF document text
- https://rubenferro.com/userfiles/file/36778038027.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ac5f105eb37---75089615458.pdfIn PDF document text
- http://nawooelcs.com/upload/userfiles/2021/07/files/210726095515.pdfIn PDF document text
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e463fb52e08f96142f1149f6f6f624b8/jomezexiliw.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/mopixu.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5bddb5723---64816607980.pdfIn PDF document text
- http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/19789861129.pdfIn PDF document text
- https://k-newsletter.com/ckupload/files/mitonilob.pdfIn PDF document text
- http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/92354608956.pdfIn PDF document text
- https://bbpartner.cz/userfiles/file/51948733221.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608374c7e8951---sevomebulefudi.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/64d14p502n2bnfqtvgpcei3r8m/78902981644.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/694l6chbagmlurkbjodn5ghnq6/12319024830.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607c727cc1ba1---4181437719.pdfIn PDF document text
- https://ferado.vn/userfiles/file/gonanurugodegirobupijelip.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/af0ee5865eb7a875c0069153d5d1768e/zetiridibifusotu.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e294aaf6d---jebijalimaxawug.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/48c1a8ab83d59997046ef39d6151d04a/sifomusibazozurenusot.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=equivalent+fractions+worksheet+year+3+tesPDF 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_off00010040.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10040 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011857.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11857 | 11192 bytes |
SHA-256: c0d87e2b4a4571d3990b15f58cf8b40f72b1137bf03e6f49c9ae22533aff2daa |
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font_02_sfnt_off0001329c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1329C | 17780 bytes |
SHA-256: 68a0dcd3dd1abe9c005f4d12f19412b2a301eb6e5fd1c4e3ec5c68f8cd18268a |
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