MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm or phishing lure. The presence of external URIs and link farms points towards an attempt to redirect users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://irlanc.ru/uplcv?utm_term=android+18+xxx+krillin PDF link annotation
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141142fb2c64---94708456208.pdfIn PDF document text
- http://eugensa.lt/app/webroot/uploads/userfiles/files/rebosezoremejatotet.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/161498e8a99fce---fejerotifofuja.pdfIn PDF document text
- http://texmet.pl/userimages/file/solep.pdfIn PDF document text
- http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/10279769158.pdfIn PDF document text
- https://apskarota.org/userfiles/file/19357021055.pdfIn PDF document text
- http://getdol.com/page_data/file/45430695707.pdfIn PDF document text
- https://catbasailing.com/upload/fck/file/63710821468.pdfIn PDF document text
- http://camel-republic.com/media/userfiles/files/wugiloxovikukiduvaboxuzin.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/6fdd29027559aeded5652218d2fc49c7/xuxazolibulavazamufa.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16142208e05d45---kadovusasiloti.pdfIn PDF document text
- http://hurtowniagrafit.pl/userfiles/file/dixiviliroxi.pdfIn PDF document text
- https://kme.pl/global/app/webroot/uploads/file/16308030797421.pdfIn PDF document text
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/78687440783.pdfIn PDF document text
- https://ku4ysk-9lgp4y.com/contents/files/18659063568.pdfIn PDF document text
- https://kclandscapes.com/ckfinder/triplebuserfiles/file/woderifidex.pdfIn PDF document text
- http://ergakiland.ru/files/files/58588067478.pdfIn PDF document text
- http://xy-interior.com/uploads/files/202109141016382052.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/5cbr9if0iqidoira31c7l8pfhm/81749373602.pdfIn PDF document text
- http://personnelstrategies.net/userfiles/file/medotikelixufis.pdfIn PDF document text
- https://vhcvietnam.vn/ckeditor/images/files/pugepuj.pdfIn PDF document text
- http://clarksville.net/wysiwygfiles/file/88378420042.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/dofagobopawanovezurovezek.pdfIn PDF document text
- http://ciccioinpentola.com/userfiles/files/92664074678.pdfIn PDF document text
- http://citescolairedeledit.com/include/file/19753990568.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_off0000b392.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB392 | 10116 bytes |
SHA-256: 9cf13c0d67df88f47c08e44a2070bb63609761b1c223d8ab5b80007671bc9958 |
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font_01_sfnt_off0000ca31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA31 | 18168 bytes |
SHA-256: c7e1bc0705f042d41fd167e717648a25e821d2a673df6e09cf6bee37247d5d25 |
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font_02_sfnt_off0000f8dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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