MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, likely to distribute phishing content or further malware. The document body was unreadable, preventing a more specific analysis of its lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ecc34f856d9---32337966296.pdf In PDF document text
- http://bukhatirhomes.com/userfiles/file/kenok.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/16490bd278083c96514a7afe55096fc0/kububufunimitadudetogela.pdfIn PDF document text
- https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160983df485b4f---87108924071.pdfIn PDF document text
- http://psychologyforeverybody.com/ckfinder/userfiles/files/boxenaxuvagoba.pdfIn PDF document text
- https://clifestyle.net/uploades/userfiles/file/31320636733.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd111540386---91873731254.pdfIn PDF document text
- http://mindentudor.hu/userfiles/file/waxerokuviju.pdfIn PDF document text
- http://nakakinpump.kr/fckeditor/upload/file/71835699509.pdfIn PDF document text
- https://cremyco.com/app/webroot/docs/file/36657208296.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/5fc29f3585a8c49ae84b4d7632f1a564/dumazo.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/ak0253tvnp00phsf1l3mhuv1bl/51206347974.pdfIn PDF document text
- http://fujavietnam.com/images/Download/5800449372.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/dabibewidexewujuwiduwenon.pdfIn PDF document text
- http://irishvaughans.com/clients/7/7c/7cfe0b8ff6d5e3136a6575a9b258a09c/File/51488679414.pdfIn PDF document text
- https://pbchistoryonline.org/uploads/file/18791680064.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e772566374e---zevaxomanulolulibuv.pdfIn PDF document text
- https://norservis.com/files/files/detemogimeluwa.pdfIn PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/kamigimuvisexosogikapiko.pdfIn PDF document text
- http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/7931978002.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160e5eb565e9b5---97758726948.pdfIn PDF document text
- http://kondicionery-vidnoe.ru/upload_picture/file/18512693232.pdfIn PDF document text
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4536bb419---33629733923.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=purposive+communication+syllabus+ched+pdfPDF link annotation
- 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_off0000bdbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d5d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D5 | 11308 bytes |
SHA-256: f2c7ac481290296bde3783ff8ccf00f18e3d3efa6b7c4f31b1610f37e364ee7c |
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font_02_sfnt_off0000f006.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF006 | 15848 bytes |
SHA-256: 166611fa514f1e26e15c18e093c0fb402513d3407b46ffe39c4befff562f2ff3 |
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