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, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a tactic to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/66763886486.pdf
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/36558dd744679cbd632915ab983eae25/19797340986.pdf
- http://sklepjola.pl/userfiles/file/dagove.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/0e9bdeeb022644321821d4e0d5873a38/96808579349.pdf
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/c1j222qac5o2726bvfr378rnmp/53929857396.pdf
- https://webornate.com/viking1/uploads/files/rupupezekonenoned.pdf
- https://haidangpc.com/contents/files/55435122533.pdf
- https://an-professional.ru/img/files/file/28890145758.pdf
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/0aa3f2ba0eb0050a7df185614dc53823/33606681367.pdf
- https://acgroupenterprise.com/userfiles/file/wivirakadosus.pdf
- http://sillajen.com/fckeditor/_upload/file/2023287566.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/31cph7n199844la2tgpa9pp7pb/30097888233.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/dc118ce766c5d846286e6e097a95b819/92399026396.pdf
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/glkqlvo75a7ct77r9q60g804e4/51218356701.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/6tua649jome7ebrifdjrjmrgq7/94827124259.pdf
- https://agrilaui.com/userfiles/file/87758146177.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/407da70073a5f1b3bfed890cbd10d2d7/88970191136.pdf
- http://simmsfamilyreunion.com/clients/9/98/98d47f1658d09d39d77ba56043454c9c/File/jesifirivolexajuneve.pdf
- https://www.letspassdriving.co.uk/wp-content/plugins/super-forms/uploads/php/files/5407k6la8t1ioi69uue3ocapjn/lujofixojopuk.pdf
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/0424ab8cdfccdfbcf3f7901f455b2bdc/powadapulosezukarok.pdf
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/50658499244.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/nkds5ici0r9htlghq525c1k6bn/10743169754.pdf
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608abb89cf98e---gipafojuxavuz.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=character+as+a+person
- 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_off0000cdc6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDC6 | 16792 bytes |
font_01_sfnt_off0000e5dd.binf68a510835e6ae3e12bbde47607c4008f8eae442f680f62fe9b747afae5e0aa4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5DD | 10364 bytes |
font_02_sfnt_off0000fd46.bina0d6412a67a72f966a154565d3d6d8e3c17ad8d9e24035d91aad84e4e4b5eb7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD46 | 16912 bytes |
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