MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress upload directories, indicating a link farm designed to obscure the final destination. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery. The embedded JavaScript is a common technique for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614a4214ab454---bifoponopufeni.pdf In PDF document text
- https://spandoekland.nl/userfiles/file/21069081719.pdfIn PDF document text
- https://brs.jo/userfiles/files/36436161792.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/86585889362.pdfIn PDF document text
- https://hujanuang.com/contents/files/rubabufa.pdfIn PDF document text
- http://tasfor.com/files/galeria/files/51402546859.pdfIn PDF document text
- http://elistaprezentow.pl/userfiles/file/mesijasakadagufapumiken.pdfIn PDF document text
- http://szm.hu/userfiles/file/gowesisudasododuj.pdfIn PDF document text
- https://turdv.ru/SITE/files/editor/file/80141879453.pdfIn PDF document text
- http://music-summer-courses.eu/upload/files/jasekimogefewona.pdfIn PDF document text
- http://atrsara.ir/resource/files/dimifiviguwopoxedofi.pdfIn PDF document text
- https://yarpaket.ru/userfiles/file/dukuxituxodapopuxolexo.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/nasenorokumakefitigabal.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/161733fe7cab15---modinamarojusigobapewi.pdfIn PDF document text
- https://www.mmgrowersg.com/ckfinder/userfiles/files/bapezado.pdfIn PDF document text
- http://hbaoge.com/upload/files/zowimitanagixe.pdfIn PDF document text
- http://mistral-paints.cz/userfiles/files/wumexenobuduvadebitamu.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/nhnjoi040om4jo1ivac5k3q4vr/misipanirusezamogogewep.pdfIn PDF document text
- http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/49171343697.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/u42cr6so1hek1u62946u2ft0kf/79357837203.pdfIn PDF document text
- https://absoluteanytime.com/media_file/files/files/62852779453.pdfIn PDF document text
- http://tantos.jp/js/upload/files/jurinapakuxisudaleguxi.pdfIn PDF document text
- https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/85124152395.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/HKUGBsJGI0E/uplcv?utm_term=an+echo+in+the+darkness+pdf+free+downloadPDF 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_off00009e4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E4A | 10876 bytes |
SHA-256: e878dadb598f1aef76d6e365f1956d2ef1a5e61398183ed7ecbbcbedf2b1bb6d |
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font_01_sfnt_off0000b77f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB77F | 16540 bytes |
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef |
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font_02_sfnt_off0000cea0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEA0 | 15640 bytes |
SHA-256: 4761184bfb17e94d319860353e0549ac8268f7bab9ca85bfe07a53002f78fa1f |
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