MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable domains, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_URI heuristics further supports the malicious intent of directing users to external, potentially harmful, websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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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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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://lycee-elm.org/userfiles/file/dowezar.pdf In PDF document text
- http://yonezawanet.jp/units/24250/zcycom/files/91976291371.pdfIn PDF document text
- http://turinhotelcompany.com/userfiles/files/bizubulusugipodesufiwufig.pdfIn PDF document text
- https://nikolsbeauty.com/webroot/f/uploads/file/28903435810.pdfIn PDF document text
- https://devcons.org/uploads/userfiles/files/35221255126.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/fotupep.pdfIn PDF document text
- http://dogomanhnghia.com/uploads/files/gilujavuxamukuxiwuk.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/wenamenilodoxexijazox.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614192b0be01b---wugimo.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613aab9583f59---safurekuporudigopupedekax.pdfIn PDF document text
- http://squash-fitness.cz/userfiles/file/87190481901.pdfIn PDF document text
- https://homecareangels.ca/files/files/files/sulefok.pdfIn PDF document text
- http://restaurant-lyons.fr/userfiles/file/tomesapenorokawo.pdfIn PDF document text
- http://safarang.com/basefile/files/memepijabetidolunav.pdfIn PDF document text
- http://birizgardenhotel.com/userfiles/file/97057698989.pdfIn PDF document text
- http://sparan-art.ru/ckfinder/userfiles/files/71620152193.pdfIn PDF document text
- http://filtrydokoparek.pl/img/all/gekojobojetidapakejuli.pdfIn PDF document text
- http://fazendasaojudastadeu.net/fotosempresa/files/legelifejanudux.pdfIn PDF document text
- http://sh-songshi.com/admin/upimg/file///fetijugeseso.pdfIn PDF document text
- https://sanmuabancongty.vn/images/content/files/kegozeda.pdfIn PDF document text
- https://gujaratisamajparis.org/upload/files/mitakofakuwazilazuriman.pdfIn PDF document text
- https://shen-su.eu/gfx/userfiles/files/34618916910.pdfIn PDF document text
- https://birsamundapark.in/userfiles/files/49670074002.pdfIn PDF document text
- http://elverum-revmatiker.no/images/file/74997165564.pdfIn PDF document text
- http://redactron.com/userfiles/file/pagalapuga.pdfIn PDF document text
- https://giriconsultancy.com/content_files/files/93858769341.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=compartir+internet+de+pc+a+android+por+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_off0000d900.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD900 | 19100 bytes |
SHA-256: a866b36237431f741ce34f84dc46303ded20f904ad1a7bc54a05334365a50102 |
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font_01_sfnt_off00010947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10947 | 10884 bytes |
SHA-256: 83100b828deea2cb87575203b757ed8a4e40c3dc415fcd7d56a99c2a5e49c7f7 |
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font_02_sfnt_off000121fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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