MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous unknown URLs suggest a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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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://dh-cell.net/ckfinder/userfiles/files/gulavegujukivudalosumapa.pdf In PDF document text
- http://lerucherdesanges.fr/userfiles/file/72005496739.pdfIn PDF document text
- http://yenidenyuzlendirme.com/ckfinder/userfiles/files/38167549829.pdfIn PDF document text
- http://cross-winds.in/upload/contents/images/images/13668070825.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb057e6786---befulupivavomej.pdfIn PDF document text
- http://actlogistic.vn/upload/editor/files/sulubikoratebubawewoxafav.pdfIn PDF document text
- http://skazka76.ru/pic/userfile/86409645981.pdfIn PDF document text
- https://empezo.xyz/js/ckfinder/userfiles/files/vejupukunipanozaxixolutad.pdfIn PDF document text
- http://www.reeder.ee/files/filemanager/pulex.pdfIn PDF document text
- http://platcometals.com/images/file/zeloxenirolaferumivadop.pdfIn PDF document text
- http://tischlerei-schlusche.de/sites/default/files/file/59573277186.pdfIn PDF document text
- https://apaman.ti-am.jp/js/ckfinder/userfiles/files/nasewosaleki.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/danibulakepibufip.pdfIn PDF document text
- http://blackivy.pl/userfiles/file/runukewubofovamizurode.pdfIn PDF document text
- https://parfumzone.ro/files/file/1536926814.pdfIn PDF document text
- http://tiszaladany.hu/upload/file/piwudepasazamokevejelaw.pdfIn PDF document text
- http://kcntanduc.vn/img_duhoc/files/gajopujazakesi.pdfIn PDF document text
- http://gocchame.vn/app/webroot/img/uploads/files/84281399812.pdfIn PDF document text
- https://www.antoniopopolizio.it/ckfinder/userfiles/files/pokum.pdfIn PDF document text
- http://klaaswester.nl/img/file/2937219399.pdfIn PDF document text
- http://kovospm.cz/fotky/file/58385764681.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613163060ec5b---pafatubezisipovedi.pdfIn PDF document text
- https://anandamsanyal.com/userfiles/file/47344228765.pdfIn PDF document text
- http://eyupsifalibitkiler.com/resimler/files/negukinobedete.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=ntse+syllabus+for+class+10+pdfPDF 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_off0000dbb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBB6 | 17804 bytes |
SHA-256: c3e2851c5ced11fb773b3a33b49a5b1f96dc2b46a1843934739725a12f735eab |
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font_01_sfnt_off00010952.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10952 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012169.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12169 | 10920 bytes |
SHA-256: 2f42ca5fd87364f10f541d22a887361c64c1a4a20edcc366edeca00ab8d14842 |
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