MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is identified as malicious by ClamAV and an ML classifier. It employs a common phishing lure by presenting itself as an image, encouraging users to click a link. The embedded JavaScript and numerous external URIs suggest an attempt to redirect users to malicious sites for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://queure.ru/uplcv?utm_term=sweet+dance+mod+apk+unlimited+gems PDF link annotation
- https://fancybox.pamlskovnik.cz/ckfinder/userfiles/files/kusuzigizerusujuramer.pdfIn PDF document text
- http://timandlor.com/userfiles/file/96321420081.pdfIn PDF document text
- http://royalleasingny.com/admin/images/file/bilulabiginuw.pdfIn PDF document text
- http://fujieshubao.com/zk/UploadFile/file/2021091219014473499.pdfIn PDF document text
- http://chemonova.com/FCKeditor/file/radopebebule.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614d46160c17c---modabuk.pdfIn PDF document text
- http://kfbma.org/files/fck/file/61047752203.pdfIn PDF document text
- http://mebelhotel.ru/userfiles/files/56553038730.pdfIn PDF document text
- http://kleinschadenexpert.com/userfiles/file/17859379826.pdfIn PDF document text
- http://chinajnbt.com/images/upload/File/moganafo.pdfIn PDF document text
- http://www.lalorraineperdue.com/documents/fiwemidafibomofij.pdfIn PDF document text
- http://generale-bureautique.fr/gdb/files/file/32658932134.pdfIn PDF document text
- https://taiwan-tiaya.com/upload/tiaya_official/files/zakopijexopagigivi.pdfIn PDF document text
- http://boston.pl/fck_pliki/file/zemuzizanogegogos.pdfIn PDF document text
- http://hosungtour.com/FileData/ckfinder/files/20210921_8B95182F4227E47B.pdfIn PDF document text
- https://phu-komplex.pl/pliki/file/26495111213.pdfIn PDF document text
- http://tomei4x4.jp/js/upload/files/6293948914.pdfIn PDF document text
- http://minuspk.ru/minuspk.ru/userfiles/file/momisilas.pdfIn PDF document text
- http://restravel.ru/ckfinder/userfiles/files/garuzizimudisida.pdfIn PDF document text
- http://dynamicyunnan.com/ckfinder/userfiles/files/45469266607.pdfIn PDF document text
- http://moretonassets.net/userfiles/dukusuxasi.pdfIn PDF document text
- http://antichigelsi.it/userfiles/files/44470309313.pdfIn PDF document text
- 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_off0000af23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF23 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c735.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC735 | 14352 bytes |
SHA-256: 0b403795c28dd7196ba889248a7ab03eb7db3c3aabeeb0d2ea3c742e9602c0c2 |
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font_02_sfnt_off0000eb1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB1E | 11108 bytes |
SHA-256: 4c4a4623b44b3e82f331f5c1a685cee3f317434e3612fdf9843444beb5f410c0 |
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