MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to potentially compromised WordPress sites. These links likely serve to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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 http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0b58c7a82---xupawosaponekun.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088948144a98---4072377872.pdf
- http://www.heksan.com.pl/file/nuxagotogoxokoga.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160995d7010ae8---wulajalodajeb.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160777c953404f---95679882957.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/9d12d22aee146b8a6058bdf886b07464/ruperejeb.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6978b8915---90438494915.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/122ff96af0f1fc9bc12cc79611f0a659/146622508.pdf
- http://a-swiss.com/upload/userfiles/file/nekusesawevuda.pdf
- http://sarlampa.ru/upload_picture/bivaf.pdf
- http://northcity.rs/slike/files/sapalurozolufemo.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/gt9pn24j1t1d5htdvl59m21575/94565983719.pdf
- https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/f2619ab27756ba514f17da23e11b26b4/70921742898.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16075af1184704---sififasonedulevusiw.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c4cead05a5c---70623066875.pdf
- http://agnieszkapawlik.com/userfiles/file/fubebulagejilezaromesuk.pdf
- http://agrobud.net/uploaded/file/jukago.pdf
- https://diaochue.vn/userfiles/file/lubojodetivomugonori.pdf
- http://sity-luxe.ru/userfiles/file/bexejotileti.pdf
- http://gilbertthomasreunion.com/clients/5/5f/5f56fe696be94dde62972871c8a9bc28/File/4593522281.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/fd34f03ebf024d4061b0fdcd28f73372/34107160960.pdf
- http://yaqeen-eg.com/userfiles/file/deluzebapigelori.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/1o5jn4sm4it6gdo9gl6tdidq70/92611013359.pdf
- http://www.gonouvellezelande.com/files/57073216030.pdf
- https://psfund.org/public/uploads/files/cms_files/53331286164.pdf
- https://www.visitrwanda.com/wp-content/plugins/super-forms/uploads/php/files/9b37a091b9d4dd8b22fbde06ece6630f/lerixidukinugumoxudapa.pdf
- http://korean-school.hu/hangul/userfiles/file/numiwerokulutafixanixov.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=osho+the+book+of+man+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_off0000d811.bin777e55e34bc1558e6c62417cefbc12fb9937b3367b992d12655aea90d9e78051 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD811 | 10784 bytes |
font_01_sfnt_off0000f087.bin816c3866af61f5918a5b20b56c7ec5e9cd1d7a0d3d0b9d39000cffc50d50ee9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF087 | 17264 bytes |
font_02_sfnt_off00011cee.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CEE | 16792 bytes |
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