MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as a malicious phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload storage, suggesting a link farm designed to lure users to malicious content. The presence of these links and the malware detection strongly indicate a phishing or trojan delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://sbkf.org/files/files/45060571097.pdf In PDF document text
- http://chandigarhdatarecovery.com/files/file/37978364374.pdfIn PDF document text
- http://bridgeonlaw.com/filespath/files/20210916063540.pdfIn PDF document text
- http://nb-magnet.com/upload/files/sikipexozudefatujojovabe.pdfIn PDF document text
- http://archifolder.com/userfiles/files/bojugizumofotixaxutamusaz.pdfIn PDF document text
- http://hong-tour.com/FileData/ckfinder/files/20210907_91A69EAF51002F49.pdfIn PDF document text
- http://php-lounge.de/userfiles/file/9885104153.pdfIn PDF document text
- https://ccaquebec.com/userupload/files/suvopujerevalow.pdfIn PDF document text
- https://bahamianbrewery.com/ckfinder/userfiles/files/zegobubabevax.pdfIn PDF document text
- https://bdata.vn/upload/files/xupedilozegakadusiwugosoz.pdfIn PDF document text
- http://yuhao-tech.com/userfiles/file/nuwenola.pdfIn PDF document text
- http://cariboohose.com/userfiles/file/37111201272.pdfIn PDF document text
- http://quangcaosmsgiare.com/media/ftp/file/ninupowe.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363db6785b9---mupaneril.pdfIn PDF document text
- https://ip-pharma.net/data/files/3473722939.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/bce1a73e6d7fd07594b437cf4196a20c/tuvakunevepiriketi.pdfIn PDF document text
- https://smwebtechnology.com/arishayurveda.com/userfiles/file/23000711782.pdfIn PDF document text
- http://xn--9n2bn9mz3aba29g44r4o0a.kr/fckeditor/userfiles/image/monekigefefelabokimiwisus.pdfIn PDF document text
- https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/84514137156.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/1sr8r0rt8d9pie46o28es3f0dc/80131645068.pdfIn PDF document text
- http://problemconsulting.com/img/download/files/fimuraginux.pdfIn PDF document text
- https://ltes.tw-goods.com/UserFiles/files/15602517334.pdfIn PDF document text
- http://pastadimatteo.com/ckfinder/userfiles/files/tovisusabisogotowolerek.pdfIn PDF document text
- https://conexkarvan.com/cache/fck_files/file/fibujojuriwokifimafolokis.pdfIn PDF document text
- http://buyyoutubecomments.com/ci/userfiles/files/miroxovugofufedikup.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=windows+10+home+download+64+bit+isoPDF 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_off0000eaf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAF4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001030b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030B | 11052 bytes |
SHA-256: 50e4e84d26da42e6f6f327cebad7d888e8f79d9d266cb5ac4e07ac6a40fe1158 |
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font_02_sfnt_off00011ca8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CA8 | 17792 bytes |
SHA-256: 45d9a6d053b16f846bf66d5c81b982ffc1ca1a8f185ba4c69142e90320da9634 |
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