MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple links to external resources, some hosted on compromised CMS platforms, suggesting a link farm designed to host malicious files. The presence of a 'download button' lure and explicit password instructions for an archive further indicates a phishing or malware distribution attempt. ClamAV detection and ML classification confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/7debbfc5048ec64f320416a995144ed1/xulum.pdf In PDF document text
- http://labonscafe.com/userfiles/rinuluvisov.pdfIn PDF document text
- http://taxilitomerice.cz/ckfinder/userfiles/files/xorosus.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/7f46e4df2b42641749ff3be7202ab31e/59317632968.pdfIn PDF document text
- http://sns.hu/_user/file/74451427161.pdfIn PDF document text
- http://www.valaisconsulting.ch/file/44340317759.pdfIn PDF document text
- http://blbr365.com/userfiles/file/1628727552.pdfIn PDF document text
- https://acgroupenterprise.com/userfiles/file/4189806077.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbb99d4a34---xalaludek.pdfIn PDF document text
- http://ellev.fr/upload/files/pexite.pdfIn PDF document text
- https://legouic-peinture.fr/userfiles/file/zobasuwexozixixawa.pdfIn PDF document text
- https://mmszke.hu/files/file/jeriwotaten.pdfIn PDF document text
- https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/kimusogeketukoku.pdfIn PDF document text
- http://goldenbaycruisesagent.com/userfiles/file/57515368685.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607238c81a780---pafelu.pdfIn PDF document text
- http://king-tableware.com/uploads/files/202108201142212191.pdfIn PDF document text
- http://vytvarnyobchod.cz/UserFiles/File/63519426203.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=free+license+cleanmymac+xPDF 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_off0000e3ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3EA | 10368 bytes |
SHA-256: 0c44bd3420cc65fb82ff6ab9a843313e94c82e7fe7a7b41b9b53e4aa5b80ffc1 |
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font_01_sfnt_off0000fb44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB44 | 17196 bytes |
SHA-256: d31a6e86088e58e52416905da3b58a647a7ced7b35e5d03be2dac81d6c4e320b |
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font_02_sfnt_off000127d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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