MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URIs and links, many pointing to disposable domains or IP addresses, consistent with a link farm used for phishing or malware distribution. The presence of PDF-specific heuristics like PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://medvor.ru/uplcv?utm_term=vlc+for+android+tablet PDF link annotation
- http://stavclearing.ru/upload/files/najefekosaperoduxezatozot.pdfIn PDF document text
- http://romanakladatelstvi.cz/userfiles/file/39570696067.pdfIn PDF document text
- http://polipack.ru/content/file/wubakizezixexole.pdfIn PDF document text
- http://identik.hu/editor_up/87910463664.pdfIn PDF document text
- https://congthuonghotel.vn/app/webroot/files/images/pages/files/guromigesimisunuzifufi.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/fn608ad8qo2ukgm1q8a26a7cbb/28113218009.pdfIn PDF document text
- http://limobebe.com/userfiles/files/86730622018.pdfIn PDF document text
- https://studioconcept-stand.com/fck_userfiles/file/70713837427.pdfIn PDF document text
- http://guides2alpes.org/uploads/file/10675178538.pdfIn PDF document text
- http://www.logomarcanet.com/userfiles/file/ranol.pdfIn PDF document text
- http://trustycctv.com/ckfinder/userfiles/files/losipajadejazese.pdfIn PDF document text
- http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/vabazudowimepi.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382b6fe1500---wabusij.pdfPDF link annotation
- http://handbook.hu/upload/page/file/69766538613.pdfIn PDF document text
- http://montpellier-businessplan.fr/mbp/upload/images/images/upload/ckfinder/goxurobotin.pdfIn PDF document text
- http://letnipohar.cz/upload/file/jaxixufaromo.pdfIn PDF document text
- http://szyqjsj.com/UploadFile/file/20210907060744659.pdfIn PDF document text
- http://flixgolf.com/ckeditor/ckfinder/userfiles/files/70313602743.pdfIn PDF document text
- http://4seasonstours.in/userfiles/file/89731582498.pdfIn PDF document text
- http://abwingsbuffalo.com/uploads/files/32450359148.pdfIn PDF document text
- http://www.florentmaussion.net/userfiles/File/28491139994.pdfIn PDF document text
- http://dmychadla.eu/UserFiles/File/17456827069.pdfIn PDF document text
- http://yule-sign.com/upload/editor/file/20210906100330.pdfIn PDF document text
- http://yaan121.com/uploads/files/202109171445233923.pdfIn PDF document text
- https://bedandbreakfastchia.it/userfiles/file/64166766823.pdfIn PDF document text
- https://rh-h1tapi-turbo.com/contents/files/wesuxamezomuwanaketulapov.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_off0000e452.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE452 | 10408 bytes |
SHA-256: f371c29e6b9838f2edc2a1cc7124e633195c11268f5c7f27e65760b6ebb1957c |
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font_01_sfnt_off0000fbff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBFF | 18060 bytes |
SHA-256: aa8d806b34dd8bcb3dc20506c7f4542f44c5c0f790d365dadecc3862304f0936 |
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font_02_sfnt_off00012a38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A38 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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