MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous external URIs, including one pointing to 'smidgel.ru' with a 'free xbox gift card' query, strongly suggests a phishing or malware distribution lure. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, which is often used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 5
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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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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://smidgel.ru/uplcv?utm_term=free+xbox+gift+card+codes+2021 PDF link annotation
- http://agnieszkapawlik.com/userfiles/file/mabafovogufavarogetimase.pdfIn PDF document text
- http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/78552379158.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/ab4f49cb78cba124439bfeb1a339837e/43250450700.pdfIn PDF document text
- http://kkc1.org/htdocs/cljr/data/files/balerana.pdfIn PDF document text
- https://ascii.tn/web/cgi/file/dukimavizedopewev.pdfIn PDF document text
- https://fullmagicweekend.com/ckfinder/userfiles/files/52541919414.pdfIn PDF document text
- http://thetsaban3watnuea.com/UserFiles/file/95223221959.pdfIn PDF document text
- https://neurondevelopment.org/userfiles/file/40367019371.pdfIn PDF document text
- http://eskuvotoszkanaban.hu/editor_up/86893157054.pdfIn PDF document text
- http://dansungsala.com/uploads/files/wokixasaxupubaxu.pdfIn PDF document text
- http://mega.kz/media/upload/files/40312507899.pdfIn PDF document text
- https://bwhe.in/ckfinder/userfiles/files/zabuxikufilizetedijafajex.pdfIn PDF document text
- https://z87992961.com/upload/files/20210910065344.pdfIn PDF document text
- http://assisdrive.pt/userfiles/file/74811351166.pdfIn PDF document text
- http://fitviewer.biz/files/file/19776672629.pdfIn PDF document text
- http://drukarnia-skawina.pl/app/webroot/media/files/godejukurezobuluzen.pdfIn PDF document text
- https://valenciamaids.com/userfiles/files/22361136499.pdfIn PDF document text
- http://kwong-cheong.com/userfiles/82069442402.pdfIn PDF document text
- http://sevennews.com.br/ckfinder/userfiles/files/40302643793.pdfIn PDF document text
- http://ventima.ru/userfiles/file/kesonezekebik.pdfIn PDF document text
- https://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/watirusomivak.pdfIn PDF document text
- https://www.sistemkabin.com/ckfinder/userfiles/files/momenegixulufilovimew.pdfIn PDF document text
- http://artgrafika.cz/userfiles/file/45292444525.pdfIn PDF document text
- https://egyseg.eu/ckfinder/userfiles/files/xuvidikutu.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/03b3730ae0f916a26b64bf70dcd9a8cb/xixanurubizatula.pdfIn PDF document text
- http://hvezda-pardubice.cz/files/file/8634170215.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_off0000e07b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE07B | 18476 bytes |
SHA-256: 63f06f5bdc570f3a45e4530205f8440bc4381f0bb95f0b7b995ef14ee07a6a5d |
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font_01_sfnt_off00010ffc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FFC | 11012 bytes |
SHA-256: 21b64e7e8a4ee49d3a7a5fecd5df191a7a14c63d67f68e4b411a43c3c5aa0f1d |
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font_02_sfnt_off000129a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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