MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, indicating an attempt to redirect users to malicious websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests the document's purpose is to act as a link farm, likely for phishing or distributing further malware. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://nomylo.ru/uplcv?utm_term=android+backup+file+extension PDF link annotation
- http://xn----7sbndn5at.xn--p1ai/uploads/files/tiperogofadi.pdfIn PDF document text
- https://emons-verlag.com/testarea/cwsCMSlight/media/files/zilipepegogefenexul.pdfIn PDF document text
- http://lokalsport.no/userfiles/file/36928538532.pdfIn PDF document text
- http://trustarshida.co/cache/fck_files/file/jigelosap.pdfIn PDF document text
- http://hanahana.vn/media/ftp/file/26433072260.pdfIn PDF document text
- https://plagij.at/ckfinder/userfiles/files/sawofowiranegezigi.pdfIn PDF document text
- http://laptopcuhaiphong.vn/upload/files/90978806425.pdfIn PDF document text
- http://soluzionebenessere.eu/userfiles/files/12673978927.pdfIn PDF document text
- http://patp1ryb.ru/media/file/73952517894.pdfIn PDF document text
- http://eurogeographyjournal.eu/admin/fckfiles/file/47916573450.pdfIn PDF document text
- http://oembag.com/uploads/files/202109241210444074.pdfIn PDF document text
- https://osiindia.org/ckfinder/userfiles/files/86229655072.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/e25a6e9a25d2f1806408d7f0300d62c1/65057143112.pdfIn PDF document text
- https://istruttorecinofilo.it/userfiles/file/39849910984.pdfIn PDF document text
- http://opgzvh.hr/upload/file/lixivakinavakufipo.pdfIn PDF document text
- http://positiveforce.in/uploads/files/41263738763.pdfIn PDF document text
- https://cafeau1ait.xyz/js/ckfinder/userfiles/files/31921350561.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/pepulitupalubaliwaxod.pdfIn PDF document text
- http://fygl.net/uploads/file/241008397649.pdfIn PDF document text
- https://braveathlete.net/geektic/files/ladebosalefa.pdfIn PDF document text
- https://its-bulgaria.bg/files/file/kowunaseduveguveronunufen.pdfIn PDF document text
- http://ylpcl.com/ckfinder/userfiles/files/12348487732.pdfIn PDF document text
- http://yokohama-model.com/userfiles/files/dinuxosibulutarawerabarun.pdfIn PDF document text
- https://monyetmesum.com/contents/files/vemepuzajokivujanufepubem.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614824e35df61---mupegefaxe.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/dodigogimigad.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_off0000b180.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB180 | 11028 bytes |
SHA-256: dfe2f43f3d8de837122e10559e2ab2daeb5bf62ca31bbac8afda4312f2882e61 |
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font_01_sfnt_off0000cb1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB1B | 14552 bytes |
SHA-256: 516d3a8037d3065acb32d0b365ebf43377719f79beba1f55a2f3bf7476b5ac20 |
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font_02_sfnt_off0000efce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFCE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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