MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan PDF. It contains numerous links to external sites, many hosted on compromised WordPress installations, suggesting a link farm or redirection mechanism. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://irlanc.ru/uplcv?utm_term=msc+math+notes+pdf PDF link annotation
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bdfc369777---vawagokejigenilolumego.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210606074437.pdfIn PDF document text
- http://rauvuonsach.net/images/uploads/files/sowesimazavizitadam.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/b65caa50d52b1075d76ce05071aa74ae/55805137454.pdfIn PDF document text
- http://apsencollege.org/test/fckeditor/file/wazop.pdfIn PDF document text
- http://amoy-art.com/Upload/file/livegizazakaror.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160815bb4ceb2d---sesizokogigekasodar.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608131c7b036e---mofojovedaminef.pdfIn PDF document text
- http://superplasticizer.cn/d/files/tagolej.pdfIn PDF document text
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/vgprsk1mg1h3okpj2c3v9mhdh5/sarukukigutedojo.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608299060949a---susiteza.pdfIn PDF document text
- http://przychodnia-felinskiego.pl/uploads/editor/file/wukawinofibivukefedevas.pdfIn PDF document text
- https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/5dad1bcc5e190d54a5b01c0bb3549da0/30485537514.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b6e62303a---vinugolamawekedelujedode.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/8685129643.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/ea824adb4a3317e5e58bf209e3054cff/jidasizarumabok.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa52203391---gepakobonamexuwagojogupo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1FF | 5272 bytes |
SHA-256: 68516e1f71c0ff39b263bcaef4db49eb1914d4a1ef151c0915969788a6011747 |
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font_01_sfnt_off0000f3d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D8 | 11616 bytes |
SHA-256: b9e12865ffdaf73e1ac957f3048cdb7bb1ef389b91b0d546f8a8c809c774deab |
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