MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains embedded JavaScript, which is a common technique for executing malicious code. It also features numerous external URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a phishing or credential harvesting attempt. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to distributing malware or facilitating phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://endeligmandag.no/e-brev/data/div/62074340473.pdf In PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/kgogr92nv7g6al1voccgrrgkne/85907732826.pdfIn PDF document text
- http://business-baltic.com/myfiles/dok/tetisofadoka.pdfIn PDF document text
- http://musik-fachberatung-neumarkt.de/images/uploadedimages/file/1569990690.pdfIn PDF document text
- https://bedandbreakfastholten.nl/userfiles/file/49851856297.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/ecdf3bdedd416271ff4e14a718d5a0f7/boxotasulogaroxudolenoje.pdfIn PDF document text
- https://apexsafetyproducts.com/ckfinder/userfiles/files/gororuxagijaxosipakux.pdfIn PDF document text
- http://kingsauto-bar.com/js/upload/files/91602310246.pdfIn PDF document text
- http://shendaoguoji.com/data/attachment/file/lolabevivofofuripur.pdfIn PDF document text
- http://kotolantopeni.cz/file/nirumatolimowadelapulu.pdfIn PDF document text
- http://zensushidanapoint.com/uploads/files/29326692139.pdfIn PDF document text
- http://miyozenemeryville.com/uploads/files/23996296525.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/bd5ecbc8ef4fbeaa046d88362de3fcdf/31720533179.pdfIn PDF document text
- https://cam-ceeds.org/ckfinder/userfiles/files/73452520945.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7dc86582b---62131885692.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/rnb4au0qlgfjuqac225nivgge6/20343365431.pdfIn PDF document text
- http://hugslock.com/app/webroot/img/files/sivugijakevuleditanonixix.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea65b15fea---50349314768.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=app+to+turn+off+internet+accessPDF 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_off0000c3ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3AC | 10508 bytes |
SHA-256: ff0652add4f98c927d29199e993d9f51bd47323dd663e778d58b63fcb9248590 |
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font_01_sfnt_off0000dbbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBBB | 16992 bytes |
SHA-256: ab6e9237093637384f89ceb3fafaacd5e589ad19d73fd360c0a0f8a452f14f12 |
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font_02_sfnt_off00010722.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10722 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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