MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Numerous external URLs are present, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF's structure and the presence of external links strongly suggest it's used as a lure, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://drafthe.ru/uplcv?utm_term=chrysomela+populi+pdf PDF link annotation
- https://jagominum.com/contents//files/mefejelos.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/ce310c8b0b11e0cb6581bfd0efb4e624/kudalazoginaxazekipit.pdfIn PDF document text
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f25de1242c---86972920105.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/295737e5869e03d1f0bb19fc5a1f65ed/82203472771.pdfIn PDF document text
- http://chanakol.com/ckfinder/userfiles/files/sefupi.pdfIn PDF document text
- http://greenbrier101.com/userimages/zetilavevifek.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab69b6c26dc---89111299794.pdfIn PDF document text
- https://clifestyle.net/uploades/userfiles/file/jadupalulonarelojo.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8b3dee8ee---10984919290.pdfIn PDF document text
- https://birutelorasin.com/contents/files/47906752027.pdfIn PDF document text
- http://thermocomfort.ca/userfiles/file/nananusinugomemozafid.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608398a8cee68---kotujoru.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160cc40099d4f3---45993159360.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae78fe689f---69173243372.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/a8a898e22db242581c4b66ca025aeb20/15414065972.pdfIn PDF document text
- http://mosvag.ru/img/lib/file/zelororopebiwebarusilisus.pdfIn PDF document text
- http://zussobrance.sk/grafika/dokumenty/lolesojigupetinugi.pdfIn PDF document text
- http://www.asap-recruitment.net/upload/file/zumidifemigokezamu.pdfIn PDF document text
- http://www.photonics-science.com/ckfinder/userfiles/files/fegesivaxil.pdfIn PDF document text
- http://asbufestival.com/uploads/FCK_files/file/xugotugakosefesimibi.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f25da2d955b---zabuvo.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/7f8fbfd22369860bace184991dfd230f/gurox.pdfIn PDF document text
- http://www.look4job.gr/images/_user_na/file/24292045179.pdfIn PDF document text
- http://izdepskifamily.com/clients/1/1a/1adacdf247316bc4617b3617d965acc7/File/85217715257.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_off0000b874.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB874 | 10804 bytes |
SHA-256: a5a66750a14a36826646179e7bf811ae712647893cc1b49c776597e1eea2667e |
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font_01_sfnt_off0000d156.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD156 | 17920 bytes |
SHA-256: 132a9a2fd94342fb03988660dd4e0762cf185cb82386724155e7918b4a53aaa8 |
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font_02_sfnt_off0000ffe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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