MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to suspicious PDF files hosted on various domains, suggesting a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, indicating a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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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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.ewdel.cz/ckfinder/userfiles/files/gogurejot.pdf In PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/f2518fa6f5543d61a0792be375729fec/kevegimowabopezak.pdfIn PDF document text
- http://businessdevelopmentcenter.pl/uploads/userfiles/files/sazefak.pdfIn PDF document text
- http://gonvvama.net/filespath/files/20210913092155.pdfIn PDF document text
- http://kalkulacka-hypo.cz/userfiles/files/wuxibijabevaperugimew.pdfIn PDF document text
- http://meyergarden.com/ckfinder/userfiles/files/65032217738.pdfIn PDF document text
- http://www.badischer-kunstverein.de/ckfinder/userfiles/files/657521012.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/sijezosu.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/31397650466.pdfIn PDF document text
- http://tabletopad.com/images/file/41753387958.pdfIn PDF document text
- https://santechnikosdarbai.lt/images/files/12481836855.pdfIn PDF document text
- http://www.espace-hotelier.com/ckfinder/userfiles/files/kadikivokoparufametipaxa.pdfIn PDF document text
- http://ibrahimalsada.com/pics/file/xijat.pdfIn PDF document text
- http://designgaleria.hu/userfiles/file/tabezu.pdfIn PDF document text
- http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/10565439756.pdfIn PDF document text
- https://kamarkosong.com/contents/files/puvuruxasepawafu.pdfIn PDF document text
- http://okna-dvere-online.cz/media/upload/upload/file/pakisatudulupoku.pdfIn PDF document text
- http://mcap.cz/images/uploadedimages/file/81011426323.pdfIn PDF document text
- http://munnartourism.com/uploads/file/dikinubiviferotaxuzobule.pdfIn PDF document text
- http://execdentalclinic.com/uploads/ckfinder/userfiles/files/ribusagekumeluxudopujebe.pdfIn PDF document text
- http://isemya.by/modules/ariol/static/ariol/ckfinder/files/kipebinevukule.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6bd9921a9---godafejisuwofufusasuwomag.pdfIn PDF document text
- https://reparationmobile.net/userfiles/file/93351056914.pdfIn PDF document text
- https://dbhattacharjee.com/ckfinder/userfiles/files/safivolemanokovigenumav.pdfIn PDF document text
- https://www.weboonline.com/ckfinder/userfiles/files/foxejag.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=mx+player+photo+galleryPDF 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_off0000b1a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1A7 | 10376 bytes |
SHA-256: 88d02f9b15ced0d4feaa01ba2da87a243e1a151300e13670aceb905f886dc894 |
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font_01_sfnt_off0000c954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC954 | 14944 bytes |
SHA-256: e7e451471a360fa8de8af22328bd786a174e82a5cc7ab3a376a745bc5031a3be |
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font_02_sfnt_off0000eee2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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