MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. Additionally, numerous URLs point to compromised WordPress sites, suggesting a link farm designed to distribute further malware or conduct phishing. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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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 http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b2295d9bb89---81268139435.pdf In PDF document text
- http://aj-logistics.com/stock/userfiles/file/pufasegukigagewarepo.pdfIn PDF document text
- https://artlabjo.com/userfiles/file/56010466267.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/d2c3c09a5e4131d2c74d3116dc5394ce/jonapebuxoguzarapepap.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16086df6ea47c2---nagisematifanalux.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/6680c7ff72c4306a683dfd1c3fb72cf7/31833084768.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/62fbf229b5f03393ed6632668b1bda6d/99055728603.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607fefc92e1ba---49437491261.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097660e96a94---6294545223.pdfIn PDF document text
- https://yz-yongzhong.com/upfiles/editor/files/33519946223.pdfIn PDF document text
- https://pensiuneavalentina.ro/app/webroot/file/44868916783.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160932f0bcff7e---kopozedatad.pdfIn PDF document text
- http://k1a.ru/images/files/file/13330964693.pdfIn PDF document text
- https://altonika.pro/files/fck/file/tagoriwigetos.pdfIn PDF document text
- http://accessprecision.com/userfiles/file/lebajizinitawir.pdfIn PDF document text
- http://kaizousha.com/js/upload/files/kexexowavomowus.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/94vmrf9ls4eadevd5po7kg91fi/fifedawuxize.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=christmas+day+mass+schedulePDF 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_off0000ee93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE93 | 17916 bytes |
SHA-256: 11583336868608ba0660cb0041ce97afd9f4c6e9d38446ab4dd8e8fcd8dfd5d6 |
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font_01_sfnt_off00011d0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D0F | 10656 bytes |
SHA-256: c48c52e816094d0181c1e1789b95d31b55b8c3469a61669a2eedaaa85f72bc14 |
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font_02_sfnt_off0001358a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1358A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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