MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript and a link farm pointing to multiple compromised WordPress sites. The heuristics indicate that these links lead to other PDF files, suggesting a multi-stage attack. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/g4pse4rrs88kct5109hgrra4hs/tofutamakozezivotonuf.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d68a019956---32737141480.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/1cfe5f6fa8786ecce328d64736b47d6c/gegexenami.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/m93ks3h5u4j82ekpheqie4pt22/27427598320.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f283a98e2d---82628850141.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/9fbd4168cbd502c5827e277f34452a99/85108386656.pdf
- http://amirafouad.com/uploaded_files/file/73854932060.pdf
- http://labonscafe.com/userfiles/losobidodene.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/f384c04abe69764eafd67458c69fe64e/58946800349.pdf
- https://thietbivesinhsonhoa.com/webroot/img/files/mikixuxaxizasozebor.pdf
- https://europartner2.pl/uploads/posuxumotululuzaxetaw.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/a7a3c61c7b766daa697d47bb872aa3fe/55409142728.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/c5136b428b5d9aace3d2fc5df8280097/jotezesiwik.pdf
- https://coluer.ir/documents/file/bipusofa.pdf
- http://okulsanmalatya.com/imgup/file/16680488805.pdf
- https://diedacorporation.net/freesiafiles/file/37676556736.pdf
- http://aarogyamedico.com/userfiles/file/60532838788.pdf
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/bcf1d916505292bdc4c52fdd0448730b/42434346537.pdf
- http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/2663098923.pdf
- https://syteq-pro.com/userfiles/file/batubegugawanorefeteda.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753b1bcd007---junililenolu.pdf
- http://cngwalk.com/fckeditor/userfiles/image/52633291229.pdf
- https://xlspandoek.nl/userfiles/file/dufamuwuzevejakigofigero.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5940f40db---4084705112.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=how+to+make+an+easy+paper+plane+that+flies+far
- 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_off000107af.bin514a8581296a00624eb3f56f83a20f57b13a59c0579b8eea974324182389fb8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107AF | 16308 bytes |
font_01_sfnt_off000131f1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131F1 | 16792 bytes |
font_02_sfnt_off00014a08.bin59de9be69afc85245da98e1f128573cbd9913135464e68e1bbc041e33765c7bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A08 | 10904 bytes |
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