MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous external links and a visual download button lure suggests a phishing or malware distribution campaign. Although no scripts were explicitly extracted, the PDF structure and embedded links are consistent with techniques used to deliver second-stage payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://letdentalab.com/img/files/zokoretemojifetuki.pdf In PDF document text
- http://spain-ex.com/images/blog/file/9804836937.pdfIn PDF document text
- http://innotack.com/userfiles/files/47899128496.pdfIn PDF document text
- http://fw-simple.com/uploads/files/62414084069.pdfIn PDF document text
- http://elai.kz/upload/2021/09files/210908045045304565ebbhk.pdfIn PDF document text
- https://partnyor.az/userfiles/file/jexigovorajajorosovoloziw.pdfIn PDF document text
- https://endeligmandag.no/e-brev/data/div/66925357655.pdfIn PDF document text
- http://mya1fc.com/files/ckuploads/files/vewujufaguroliwobalurun.pdfIn PDF document text
- https://blokhol.com/upload/files/26834391479.pdfIn PDF document text
- https://shinaltd.ru/images/file/remewa.pdfIn PDF document text
- https://horgaszvelem.hu/ckfinder/userfiles/files/pefazananipiranu.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d53655c7d9---xopekifotegavonur.pdfIn PDF document text
- http://beiwendq.com/data/attachment/file/20161598697.pdfIn PDF document text
- https://mysmartedu.com/uploadimages/files/49696966270.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2dedb6da6---bujejesawunoxamodu.pdfIn PDF document text
- https://iohrp.org/f_files/files/91018058133.pdfIn PDF document text
- http://tnshoppingbag.com/upfiles/file/wopobitokatafenogumutoreb.pdfIn PDF document text
- https://alcc.c-zentrix.com/ALCC/mail_attachments/multitenant-ws-01/1/1631375678.pdfIn PDF document text
- https://unique-u.biz/images/uploads/file/setulodalo.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/sofejiniliwotiwobakeri.pdfIn PDF document text
- https://www.andreivieru.com/ckfinder/userfiles/files/5989289315.pdfIn PDF document text
- http://scouttautomotive.com/editor_uploads/system/files/nives.pdfIn PDF document text
- https://afra24.com/basefile/afra24/files/dujum.pdfIn PDF document text
- https://norservis.com/files/files/mawezogogovatojunivu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+transfer+files+from+iphone+to+laptop+via+bluetoothPDF 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_off0000d349.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD349 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB60 | 11008 bytes |
SHA-256: 0dacfa9d1c9595fc358c572ceec1d18e7fa29a8b044ff5fcdcbbc90f9f7969d9 |
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font_02_sfnt_off00010488.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10488 | 17732 bytes |
SHA-256: 581f0995080e0ded774b7ddddd31de7d6d38a0e39e88a5e132c1fd8288afdd95 |
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