MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which are hosted on disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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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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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://tndvn.com/js/ckfinder/userfiles/files/dojaxaposojovikuxolimo.pdf In PDF document text
- http://www.dean-cpa.com/files/adminpic/file/24130675592.pdfIn PDF document text
- http://cerritos.songhakbbq.com/uploads/files/8522980426.pdfIn PDF document text
- https://i-intelli.com/ckfinder/userfiles/files/korogesefojepenomuto.pdfIn PDF document text
- http://xn--2o2b17g32e8xisqq.com/userData/board/file/92834078060.pdfIn PDF document text
- http://zhihepvb.com/upload/ckimg/files/202109070200599530.pdfIn PDF document text
- https://lose-weight.tw/upload/files/45452231901.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/42143622078.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/pudutukixufigabifijo.pdfIn PDF document text
- http://clinicaveterinariaalbese.eu/userfiles/files/26366350066.pdfIn PDF document text
- http://trevelci.ru/ckfinder/userfiles/files/safekadipunam.pdfIn PDF document text
- http://ristorantebiscione.com/userfiles/files/90294572557.pdfIn PDF document text
- http://hbaoge.com/upload/files/54738375041.pdfIn PDF document text
- http://beachfirebrands.com/userfiles/file/21337480444.pdfIn PDF document text
- http://konferencii.org/web/uploads/assets/file/34475637125.pdfIn PDF document text
- http://thepokewave.com/uploads/files/movexim.pdfIn PDF document text
- http://someteme.com/archivos/_20210909214847.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8e139c3cb---61659624287.pdfIn PDF document text
- https://pr-dienst.ch/file/xofixeponopewajojimilib.pdfIn PDF document text
- http://marcth.pl/media/fck/file/lupawaxigipinur.pdfIn PDF document text
- http://kotrackusa.com/fckedit_file/file///20210907_3_52_14.pdfIn PDF document text
- http://jlssj.com/qianzi/upfile/case_editor/file/tedovipimeruzivevo.pdfIn PDF document text
- http://bacsiha.com/public/ckfinder/userfiles/files/44817523665.pdfIn PDF document text
- http://martom24.pl/martom/userfiles/file/74242443161.pdfIn PDF document text
- http://ingegneriarossi.it/userfiles/files/jidejatumi.pdfIn PDF document text
- https://kaisar168.com/contents/files/fejazamonasabedezusabus.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=games+no+internetPDF 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_off0000d78e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD78E | 17008 bytes |
SHA-256: 5a9cfeef7b4a6dbb4580a3f3bada42f80d2ecf8c7a362dbb73f2aecd1d6ae281 |
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font_01_sfnt_off000103ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC5 | 10264 bytes |
SHA-256: 53365c389087ed1aa232b005ae3041e75f5252a5b9ceff9201c4d0016f993830 |
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