MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. It also features numerous links to algorithmically generated URLs hosted on disposable domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier further support its malicious nature, suggesting it's likely a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.pessin-location.fr/ckfinder/userfiles/files/popujon.pdf In PDF document text
- https://delphin-bau.com/ckfinder/upload/files/44233922202.pdfIn PDF document text
- http://natpuedu.in/userfiles/file/mirabufewejenu.pdfIn PDF document text
- https://liho.cz/UserFiles/File/xakegijogedogiva.pdfIn PDF document text
- http://ajeah-intl.org/fck_image/file/55623773635.pdfIn PDF document text
- https://thegioibaobicarton.com/Images_upload/files/dubelezudakexupu.pdfIn PDF document text
- http://fst-uinsu.net/userfiles/files/15805175007.pdfIn PDF document text
- http://radyoislam.com/resimler/files/vesemexogelibiboxa.pdfIn PDF document text
- https://childrencareandliteracysociety.org/userfiles/files/metivifomidumukunu.pdfIn PDF document text
- http://pytextiles.com/userfiles/file/88445490954.pdfIn PDF document text
- https://amursvoidom.ru/media/files/luvexunawoxubumobis.pdfIn PDF document text
- http://wamaeassociates.com/images/uploads/originals/file/gigilejidigufo.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c546d450f1---2662744384.pdfIn PDF document text
- https://iringmalaysia.com/ckfinder/userfiles/files/zuxuvipusigolilomo.pdfIn PDF document text
- http://emusicmarket.com/upfile/board/files/65136676798.pdfIn PDF document text
- http://adice-area.com/pictures/files/97281138455.pdfIn PDF document text
- https://www.l-games.jp/js/ckfinder/userfiles/files/livinopo.pdfIn PDF document text
- https://ewastexperts.com/userfiles/files/65231807955.pdfIn PDF document text
- https://unitedfightalliance.com/ckfinder/userfiles/files/viwodud.pdfIn PDF document text
- http://antropolog.ru/userfiles/file/wuvom.pdfIn PDF document text
- http://wintec-samu.hu/uploads/files/fazeduze.pdfIn PDF document text
- http://dhleisure.com/ckupload/files/26081590600.pdfIn PDF document text
- https://ural-aiti.ru/admin/ckfinder/userfiles/files/zuwamurazut.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/72771042079.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/t5pkmpmkgbd2f2lqvrrvd7hm8b/difizomani.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=thinkdiag+mini+apkPDF 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_off0000c2e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2E8 | 10232 bytes |
SHA-256: d1a7444e09a1e33dd237b2c3e0937ff93c6ec3b055adac31e96e91a647b68a0d |
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font_01_sfnt_off0000d953.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD953 | 16880 bytes |
SHA-256: 6b35e89a154b0ccfe3ac215c2f1de884bf23abb0ff5513419ef722e4fe7f44e6 |
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font_02_sfnt_off0001050b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1050B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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