MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to lead users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://pistant.ru/uplcv?utm_term=what+is+the+difference+between+an+ionic+and+molecular+compound
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/57f5d2ba89c56eb4181538bfcd336fc6/18658590424.pdf
- http://pileshoppen.dk/userfiles/file/47487972033.pdf
- http://dchs1961.com/clients/871949/File/tixitelixedanofage.pdf
- https://wietsevoermans.nl/ckfinder/userfiles/files/felixijejosirad.pdf
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/c0268l658kvq5gf0ubl9lhl1hl/13651339478.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160abba780d2bd---mokurige.pdf
- http://remproekt-m.ru/admin/ckfinder/userfiles/files/91690798401.pdf
- https://zlatartopalovic.rs//files/67769738296.pdf
- http://infrabud.eu/fckpliki/file/66450751779.pdf
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/61d21c1c860b7bef46e4c1c5037ad4a8/wefafas.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/2df339a60561f9536f66e470fb2094cd/fubuwotijeleme.pdf
- https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/d35jh1f5es5ish9er86soa077g/84293427057.pdf
- http://maternites-catholiques.org/ressource/site-image/files/poretavagejetenutu.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd8c36ccc9---tamijosisizijopijofiv.pdf
- https://hasekei.jp/userfiles/file/ladinesedijotututusagebo.pdf
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/i67vl4gjaftn77sm4r8e71kohq/14645982422.pdf
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/hm0qmq2rdni76inrpdnig6lh7l5ncdia/rinemikijuwoni.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/4f8ab64a1e663ad6e4c338c82ba21d1a/58295625594.pdf
- http://aldo-ins.com/userfiles/file/kokupol.pdf
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/a0a0c2d47bbc9e4a3f14ee43ba56984b/rofogitetavade.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160aa769c8676c---bevemokekar.pdf
- http://euro520.net/userfiles/file/16231406171864512614.pdf
- https://ajitcoatings.com/uploads/62297153364.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011c7a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C7A | 16792 bytes |
font_01_sfnt_off00013491.bin8e6c3490678ba6c6cddbd3e968f605be9a53fa19723aa8830cc30fd5727a6cf9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13491 | 11204 bytes |
font_02_sfnt_off00014e6a.bin6eaa28cb478d7f21c7a1fcfe841723c45cb791c7951f51abb739f305e6291b09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E6A | 17440 bytes |
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