MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of links, many of which point to compromised WordPress sites utilizing form upload plugins. This behavior is indicative of a link farm designed to redirect users to malicious content, likely phishing pages or malware downloads. ClamAV also detected this file as Pdf.Phishing.Trojan, further supporting its malicious nature.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3127
Heuristics 5
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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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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://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5a11ae0ecf---jiluxikemoledimuwitafa.pdf In PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/de9623e0920d6268e66e2ee221af48be/wazifuwuve.pdfIn PDF document text
- http://kimhoatra.com/upload/fckimagesfile/lerexesubiwu.pdfIn PDF document text
- https://acryl-bg.com/userfiles/file/5838759712.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/22cd89f18195161d7038a47c9ce385ac/75414004494.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/3nslchvvlov163r8rl3ubgatr7/7010797125.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/xaxobadijifezu.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/e7d67198c6fa2b8c9caf795ad46db607/33301382583.pdfIn PDF document text
- http://kolesnikov.pro/ckfinder/userfiles/files/17352723280.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/51985668387.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074dafec2720---bogesafilo.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16091c05399823---41267545927.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b8517a88b---rufoje.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a15b63c35---nudakidisamofuzo.pdfIn PDF document text
- https://benjamindreyer.com/wp-content/plugins/super-forms/uploads/php/files/c2a92c79b77c788af0d47c54d6d48788/xefepepolusewa.pdfIn PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/9d236cc3438228020a7c025afc96914a/soputujuxevifazaze.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9d66014f3---19417153010.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/zuvogozufitapexexapiwira.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a0226293e---69124032444.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869bd359df5---60204974921.pdfIn PDF document text
- https://aashianarealty.com/file/fusixilaxenetedopomoxod.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/667bfc1b032a9c1f2ff229e51f8ed58d/66485008000.pdfIn PDF document text
- http://aihyang.com/userfiles/file/zofajadu.pdfIn PDF document text
- http://lhs1965.com/clients/880801/File/26217627429.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e088f0ba30---18933967776.pdfIn PDF document text
- http://uticachemical.com/files/upload/files/59603193443.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=7g+to+ozPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ecad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C3 | 9492 bytes |
SHA-256: 29233704d64e0ec2e6d0f10070c38ece10d47a50b0df2cf27237874c67a3f625 |
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