MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content or phishing pages. The presence of multiple distinct hosts and the use of UTM parameters further support the classification as a link farm, likely used for SEO manipulation or to distribute malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://chcial.ru/uplcv?utm_term=panasonic+inverter+microwave+manual+demo+mode PDF link annotation
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ab39dd33a28---seveguvewuvugivud.pdfIn PDF document text
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/tkfc84pd6lm288mosn0jjlfbgb/41650770856.pdfIn PDF document text
- https://rzfmuhasebe.com/userfiles/file/36548156471.pdfIn PDF document text
- https://kibledergisi.net/resimler/files/kuxapedamomudoradugo.pdfIn PDF document text
- http://oio.cn/uploadfiles/files/kizevebikemomiwafiv.pdfIn PDF document text
- http://xn--b1afklwjc5g.xn--p1ai/ckfinder/userfiles/files/14039912490.pdfIn PDF document text
- https://mintedimages.com/ckfinder/userfiles/files/sumoxijezijipug.pdfIn PDF document text
- http://restravel.ru/ckfinder/userfiles/files/jepamegibupewekowemodot.pdfIn PDF document text
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/a054a0daaf87c06bf7624f4608e92a85/kezijozatalojedimefuvudes.pdfIn PDF document text
- http://emirates-offshore.com/uploads/image/file/82434201397.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/95828585833.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160811066e184d---mazafigaxe.pdfIn PDF document text
- http://tbm-mova.by/images_from_html_editor/file/difasiwoluv.pdfIn PDF document text
- http://fitviewer.biz/files/file/lusewexef.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/31222060873.pdfIn PDF document text
- http://karpatskiles.ru/store/files/23471032307.pdfIn PDF document text
- http://burnettefamilyreunion2021.com/clients/867108/File/sojalaxuvebu.pdfIn PDF document text
- https://digiconelectronics.com/media/43543523151.pdfIn PDF document text
- https://spotiverify.com/ci/userfiles/files/notalerirumagipiso.pdfIn PDF document text
- http://murasakijr.com/uploads/files/10686496301.pdfIn PDF document text
- https://nurea.se/currency/userfiles/file/ratewedividutotodefanip.pdfIn PDF document text
- http://2478.ru/admin/ckfinder/userfiles/files/6047795673.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cb38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB38 | 18496 bytes |
SHA-256: 3486c648ede933976879e38f0b29cb6c41aadeb3e45b24fcdae0ce0f4d6568d1 |
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font_01_sfnt_off0000fb5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB5F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011376.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11376 | 10784 bytes |
SHA-256: c0490dcaeff7b07aee21bda16b4c927d1b105312708783eb36c1044ecb63dd1f |
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