MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many of which point to websites hosted on compromised WordPress installations or disposable domains, indicating a link farm designed to lead users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://chcial.ru/uplcv?utm_term=5+different+types+of+synthetic+fibres PDF link annotation
- https://chupwo.com/editor_upload/file/fidad.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf0dfd671b---44263964426.pdfIn PDF document text
- http://flirtproducties.nl/ckfinder/userfiles/files/42866511683.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/16162e8b1d0fc4---zexonunotirukudi.pdfIn PDF document text
- http://zwickerfoto.hu/_user/file/guxugumurin.pdfIn PDF document text
- https://mobilpetrol.olajpark.hu/files/files/58610875613.pdfIn PDF document text
- http://burbank.kopanramen.com/uploads/files/55342984575.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ed886960ce42095b91dbe2c83f9de00b/59795240460.pdfIn PDF document text
- http://logiccpacma.com/ckfinder/userfiles/files/xamutetinulumovez.pdfIn PDF document text
- https://topclassgardening.nl/images/file/84429956068.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/18439051619.pdfIn PDF document text
- http://stin-verdon.fr/assets/Image/files/96242692182.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16156cdaba2a4c---pifiwuzasof.pdfIn PDF document text
- https://spandoekland.nl/userfiles/file/17227927937.pdfIn PDF document text
- https://jagominum.com/contents/files/75330016041.pdfIn PDF document text
- http://mega-gold.com/userfiles/files/jisajevegefa.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/zupilalexasarefe.pdfIn PDF document text
- http://kosmonautika.ee/ckfinder/userfiles/files/39711017065.pdfIn PDF document text
- https://casabresciani.it/uploads/file/25813786459.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee01f45016---nirupiwepupevojofagaki.pdfIn PDF document text
- http://www.advokat.com/app/webroot/img/fck/file/betevigosironezewisax.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/marurovudotuk.pdfIn PDF document text
- http://belgium-ex.com/images/blog/file/81865891629.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_off0000d0e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0E7 | 18460 bytes |
SHA-256: d6529636a286e8736e256ac18380acc6e9a99f3d0cdbca9bce9eda7891291c29 |
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font_01_sfnt_off000100bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000118d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D6 | 10800 bytes |
SHA-256: bdea70cf0b47360cfae300b8d9a86c9035c89cfd5dd6532b5b83dfe9242d8604 |
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