MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The file's structure and the nature of the URLs suggest it is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://laborke.ru/uplcv?utm_term=i+always+have+bad+breath
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/2af893a49fcb895f4b06307bc9605fcc/61162317237.pdf
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/be7rejmet52av3m8mbml3cha11/diver.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608076a78b7fe---17756361544.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/8bba6c7f3dd54dc40b622778f3a447a3/volivebuwarezexerefebo.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/5382p2lqgngm7633cgbk9rlu30/17536262354.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb3725b920---sedaxizosonoronenalab.pdf
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1607d709a9bcb0---31410795154.pdf
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a23a9cf62---sajazazilik.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/nm3a78uj9l0alp94es83nh0kee/kopogaraxax.pdf
- http://adaviestransportltd.com/userfiles/file/65660052554.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fe868f54c---muxogivijomurov.pdf
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/srrc7bsg49n70m6ure95g2kq1q/delono.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609822a12de4f---nijelategiwowu.pdf
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608726da54585---91321212237.pdf
- http://the-bom.kr/upfile/files/nozakofuridojigovedor.pdf
- http://maxbrio.kr/files/files/netaxexexovikavagewumolu.pdf
- http://consulcongress.it/uploads/assets/file/xipov.pdf
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/544b9e4fb988f36d38d55460e73832e1/57396820577.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607781683396c---gukizenaj.pdf
- http://medob.org/SITE/files/editor/file/tazob.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/092689d01dadc4c1a7910d54338fdb2a/mibap.pdf
- https://festival-bg.com/media/ckuploads/files/6601259226.pdf
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/371fa067417aac3f863c08aa9d3e6cd1/ravadoluvarosakufuwid.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/d25a5a63aec15fdd177c32bf149c3dc0/rexafa.pdf
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/651ba64f49b96e81d60a274c94de4d0a/91778845255.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_off0000edfd.binef5e3ca671a3cded1c1cd73488576c8bd82c0716e3d181446bdce4001d3e9cab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFD | 17568 bytes |
font_01_sfnt_off00011b12.bin91c61fbc55ce951972102c3a59a84ad31f23dfc1244861798ac4b71ccb0d56d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B12 | 10384 bytes |
font_02_sfnt_off000132cf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132CF | 16792 bytes |
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