MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. It also features a link farm pointing to multiple compromised websites, suggesting an attempt to distribute further malicious content or phish users. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 http://cameralehiep.com/hinhanh_fckeditor/file/16811799820.pdf In PDF document text
- http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/97015588152.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee30a541bad---35777800610.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160709343e72fb---bewabotapajiwatejum.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/09d454916abce81677de2e89953b73e8/59199799573.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/kutifigitunise.pdfIn PDF document text
- http://weingut-suppan.at/files/wivunupudimizedositade.pdfIn PDF document text
- http://ahlhy.com/uploads/file/291358599165.pdfIn PDF document text
- https://lederstuehle-shop.de/ckfinder/userfiles/files/jemetokewogixekulikip.pdfIn PDF document text
- http://dochoiotovn.com/uploads/userfiles/file/13467032281.pdfIn PDF document text
- http://gongotour.com/FileData/ckfinder/files/20210814_A0BF03793E03EACF.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e62a686b4d---vunigegupakikaxuletera.pdfIn PDF document text
- http://hmconcretemixingplant.ru/d/files/musifawijalawejojise.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7o7bsblckh9bmf4bt1oacp7cd0/vobiralujitogalipixisesov.pdfIn PDF document text
- https://majubesar.com/contents//files/wovowigosoxajogolek.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/gadebabadovasobejiluse.pdfIn PDF document text
- http://driscollandgibson.com/images/edit_images/file/11732475290.pdfIn PDF document text
- https://ymvii.com/admin/upload/files/zimofewagoxenuvekevofala.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608681c66831e---zegafope.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=multilin+469+manualPDF 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_off0000b543.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB543 | 10256 bytes |
SHA-256: 5464bf10e4f84319081246b83c0ffe3d3f4ac6bdeccbfe3e8d5814e6c450423d |
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font_01_sfnt_off0000cc35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC35 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e447.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE447 | 16088 bytes |
SHA-256: 9742be82b1713245271a9287d7b811f82c8761a0452543b21c0834428c198cb9 |
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