MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites and other domains hosting PDF files. These linked files are likely designed to further phishing attempts or distribute malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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 http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e634932a5d---peselulad.pdf In PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/edf64416f437c63cea6382247c976217/poxuzidiwa.pdfIn PDF document text
- https://lifo-sea.com/ckfinder/userfiles/files/tunafa.pdfIn PDF document text
- https://stancijanegrin.com/UserFiles/files/nuletu.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/kefeketofebu.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e94952127---tetugifopalibaxes.pdfIn PDF document text
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/cn5bct2fv3su2uj47m0ifac3u2/86496670034.pdfIn PDF document text
- http://2478.ru/admin/ckfinder/userfiles/files/97117507058.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16078a3da160ab---kibomulufeludodeg.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/cb9699fdd60dcb7f9485a4e5ecd84e7a/lexulowo.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/9feca9bcfbd4f213b6a6c1be7dfdfe75/derexiwapixanowukevaf.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/6c2ad5ad2a9716a3c6fef97e31b64713/95017890161.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/18e4aa32ecc68f79d73d108ff5d567af/jamasaxig.pdfIn PDF document text
- http://nanumed.ro/uploads/files/88561195022.pdfIn PDF document text
- http://www.odnpoznan.pl/fotki/file/file/benixaxufewosizukiziboxo.pdfIn PDF document text
- http://beiks.info/public/file/wifamewilefufapafutafagor.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4351efc8c---fojag.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16091bd7bca895---25212662817.pdfIn PDF document text
- http://slenderclub.cz/ckfinder/userfiles/files/53291390667.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ae67082eac0---zipiwonumisexewarexerafi.pdfIn PDF document text
- http://vieclamtaichinh68.com/upload/files/dukexefijuzazefevubito.pdfIn PDF document text
- https://limsurdua.com/contents//files/jebibogoneru.pdfIn PDF document text
- http://ginzaoakland.com/uploads/files/xutuzeloviwedawosoverodor.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/4da9b16f584045caf24ad449c5f4b377/86031957059.pdfIn PDF document text
- http://jinwoosmc.com/userfiles/file/fosodomak.pdfIn PDF document text
- http://99hospitalitygroup.com/ckfinder/userfiles/files/raxanavibuto.pdfIn PDF document text
- http://belst.by/upload/file/puzat.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/97673944456.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=esen+yay%C4%B1nlar%C4%B1+11.+s%C4%B1n%C4%B1f+fizik+soru+bankas%C4%B1+pdfPDF 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_off0000d20b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD20B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA22 | 11048 bytes |
SHA-256: ee2be2f7df3a5f1420f1dc7639ed1143cb4880cce92fc6a764d3f305f4c6f07d |
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font_02_sfnt_off000103b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103B4 | 17032 bytes |
SHA-256: 6f056480bf8fcec45d7b0b7b85747b94cb8c19e811d9b3d3b7285bf2019cd6ce |
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