MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV, indicating malicious intent. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic and the presence of numerous URLs suggest the document functions as a link farm, directing users to potentially malicious or phishing sites. The document body was unreadable, but the overall structure and URL patterns point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://catamma.ru/uplcv?utm_term=what+does+nfc+on+my+phone+stand+for PDF link annotation
- http://siltherm.com/ckfinder/userfiles/files/90632604954.pdfIn PDF document text
- http://waxiangyuan.com/upload_fck/file/2021-9-13/20210913011705439920.pdfIn PDF document text
- https://thegioidongphuc.net/ckfinder/userfiles/files/satedavojaxidob.pdfIn PDF document text
- https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/jajinesisolalopelujel.pdfIn PDF document text
- https://alstar.uz/images/shared/file/64448660440.pdfIn PDF document text
- https://next-engineering.com/userfiles/files/bapalukinukasuji.pdfIn PDF document text
- http://gwardiajuvenia.pl/zdjecia/fck/file/falatujilev.pdfIn PDF document text
- https://takipcisec.com/calisma2/files/uploads/55950000553.pdfIn PDF document text
- http://thanuyentea.com/ckfinder/userfiles/files/rabatalodanefa.pdfIn PDF document text
- http://plenerowe.kbo.pl/ckfinder/userfiles/files/luwilelakalakati.pdfIn PDF document text
- http://runhouchem.com/upload/files/92158328485.pdfIn PDF document text
- https://rowadalbyt.com/userfiles/files/78775078141.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/penow.pdfIn PDF document text
- https://phuquiland.com/upload/files/lewavopafibuvomejevigumo.pdfIn PDF document text
- http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wasobumalosomolekami.pdfIn PDF document text
- http://fujieshubao.com/zk/UploadFile/file/2021090304175073499.pdfIn PDF document text
- http://saddabro.com/userfiles/file/709616447.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613421070bf0b---saxivuwexivixufazapemider.pdfIn PDF document text
- http://xn--80aagkbrca3apkgkee0a1bi.xn--p1ai/ckfinder/userfiles/files/tawejabazuwalogigu.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-9-1/20210901140627583042.pdfIn PDF document text
- https://alstar.uz/images/shared/file/zarowu.pdfIn PDF document text
- http://studiodebiaggi.eu/userfiles/files/sulipibiruj.pdfIn PDF document text
- http://narnivet.com/userfiles/files/86505066734.pdfIn PDF document text
- http://dulwichtaxi.com/survey/userfiles/files/munalupag.pdfIn PDF document text
- https://arbormaster.net/uploads/files/15021171294.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_off0000d4ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4EE | 10852 bytes |
SHA-256: 6e395d9acacb292644a99a0ad934a25f4ded16b85d83fa4aa152a1d934cc573b |
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font_01_sfnt_off0000edd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDD3 | 17160 bytes |
SHA-256: 702814f8cc6f0152025d5d1dd191997a62c93b5e70d58af11de191a379bbd1cc |
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font_02_sfnt_off00011a79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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