MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious content. 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 0.9942
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://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa658785368---13363434125.pdf In PDF document text
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/66e46ca245060b1b76b8787a380f8bce/xemorijugoregopivu.pdfIn PDF document text
- http://win-sonic.com/ck_imgs/files/24799872097.pdfIn PDF document text
- http://ebiocell.com/uploadfile/file///2021051819435266.pdfIn PDF document text
- https://delphin-restaurant.com/ckfinder/upload/files/sogoxejexetewidudulimafi.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/nemafovimuworixikulidotan.pdfIn PDF document text
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/74e7c9d634bc53519ea21c33dd1416a5/66027960208.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/28040762159.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/92021e040dd77b3e1d3a3532d559c7f0/40667053131.pdfIn PDF document text
- http://vvk-wiedermann.at/userfiles/file/tugenoguvuzisozepukapo.pdfIn PDF document text
- http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/65984106440.pdfIn PDF document text
- http://0vote.com/ckfinder/files/vabizalid.pdfIn PDF document text
- http://promocode.lu/userfiles/files/tafodelikurofevizo.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160ba407fd76a2---mogagologusupokiraxos.pdfIn PDF document text
- http://vankouwenenmastop.nl/UserFiles/file/tezixogovafikoxofo.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/8714761252.pdfIn PDF document text
- http://westernmaki.com/uploads/files/62641643704.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac81f838733---70577221473.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/5dc2aed9b6430bf67aa92b59802d5630/xularopevev.pdfIn PDF document text
- http://doreenindiatours.com/userfiles/file/9104435490.pdfIn PDF document text
- http://sculecuacumulator.ro/app/webroot/files/userfiles/files/wevodifoda.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/4b1902051f52efac61d88fb4fa5c99e1/34281546495.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/rawul.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160972828a15f4---25093101362.pdfIn PDF document text
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/183be8019fba0cd5937af57ad6b7ef66/3526026552.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=business+to+business+e+commerce+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_off0000f69d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF69D | 10864 bytes |
SHA-256: cd5d38f8ca85f1de94f92dc770aa34361af8f948bd5c68184481ac9f81761fb2 |
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font_01_sfnt_off00010f83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F83 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012795.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12795 | 17496 bytes |
SHA-256: acb6e9776a29440ebce71e4536f744ffa6a866e6d8c143573c422277cedd3cd2 |
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