MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, further obscuring its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/f1f263c5ec757ad73b957bf3282e06b2/25979236584.pdf In PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/fifobiragulidikaninezol.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1610612df5010a---32187806142.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0f0d37334---xefisa.pdfIn PDF document text
- http://ac-kenigsberg.ru/files/file/kematebavogidoxidoti.pdfIn PDF document text
- http://argyleliquidations.com/userfiles/files/nibolozuj.pdfIn PDF document text
- https://hyosungulf.com/uploads/file/jonabomiwigure.pdfIn PDF document text
- http://coimbra.hu/uploads/ckfinder/userfiles/files/55744275050.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611157bc7db1f---51137770039.pdfIn PDF document text
- http://work4shop.cz/userfiles/file/furobewapowawiruk.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/8129dc5b7ae20dc5767281bbe605ef0f/ferunako.pdfIn PDF document text
- https://bravo-hk.com/userfiles/file/17933155938.pdfIn PDF document text
- https://manage3.realtourvision.com/rtv/ckfinder/userfiles/images/files/suregebafez.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160ac114eb435b---80483909121.pdfIn PDF document text
- https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f48b61ae90---nuzum.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f9d34b5e5---60285766437.pdfIn PDF document text
- https://locktactyuma.com/ckfinder/userfiles/files/welozubutugedomufuk.pdfIn PDF document text
- https://rosenstein.lu/userfiles/files/morulu.pdfIn PDF document text
- http://duancanhotot.com/upload/files/povupivixikuj.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16102df661d2d2---15020658759.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/bimapi.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/4dab0d78f54895fbc8ca2bdeb45cf5ad/xozufigebe.pdfIn PDF document text
- http://ubest.ru/images/file/bobinagiku.pdfIn PDF document text
- http://unityproductions.com/upload/files/nibimuf.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=rhymes+with+greatPDF 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_off0000e84d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE84D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001005f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1005F | 17752 bytes |
SHA-256: 0a69a7ec35cbd1fbba0df68e8a995158d11c7277320050a6ece5eae7c723a54a |
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font_02_sfnt_off00012e79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E79 | 10532 bytes |
SHA-256: eec0a14f654b0f092c3e71c009c0760d0f0abf285ebee81e435ffda192e84aa4 |
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