MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised CMS upload directories and disposable hosting, suggesting it is part of a link farm designed to distribute malicious content or redirect users to phishing sites. The presence of these links and the overall detection indicate a phishing attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://garglob.ru/uplcv?utm_term=ignou+bcom+solved+assignment+2020 PDF link annotation
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/1654754903d7073ca2b450f918c08ca1/7038841841.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a932344b78d---sanatiwonixowe.pdfIn PDF document text
- http://quatanggiabao.com/images/uploads/files/nejuwu.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757fb912d41---57620306631.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee9b348bee---24856497778.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607259de44e19---kolojaramuvevuzid.pdfIn PDF document text
- http://taiyoaquris.cn/upload/userfiles/files/20210607084834.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/4bj2oa2vhace4id2ka1b4ucgc2/52283315017.pdfIn PDF document text
- http://kredoteka.ru/uploads/file/84992413955.pdfIn PDF document text
- http://laihoawedding.com/app/webroot/upload/files/11121489786.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/zogokozozexafuwevigufiwo.pdfIn PDF document text
- http://sugarfree-gelato.com/upload/file/rajupuzeb.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/18895117465.pdfIn PDF document text
- http://elrey-uslugi.ru/media/file/2987082282.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5fcf33a8ff---vupasunev.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160868141f05a0---25152272246.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611832932dd68---21082891934.pdfIn PDF document text
- https://doctmcooper.com/userfiles/files/fajupuzovawewal.pdfIn PDF document text
- http://santeh.md/img/files/jabugegafiz.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/9n436p291ev1algc83t03lbkn3/fozisonezero.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee9b73115d---nuwapumekevumixeg.pdfIn PDF document text
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607375f539900---3481354502.pdfIn PDF document text
- https://stiff.pl/ckfinder/userfiles/files/94135952032.pdfIn PDF document text
- http://srividyaastrology.com/userfiles/file/10185446227.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_off0000df0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF0E | 17680 bytes |
SHA-256: 742c169eb886b67834729c9a8456a3303f7f62eeb11168cf593a29d677ab1c10 |
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font_01_sfnt_off00010cd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD7 | 11112 bytes |
SHA-256: 98f6e45d17b851ddac57ae1d80214479dcddca4c4d3d03c8e0715a75cec592bb |
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font_02_sfnt_off000126a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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