MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating it is likely a phishing or malware distribution lure. The document contains a large number of external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the presence of numerous URLs and the nature of the heuristics strongly suggest a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://crysiq.ru/uplcv?utm_term=at+home+vets PDF link annotation
- http://edins.net/userData/ebizro_board/file/zevonilul.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/44866963215.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/cbe2e81e5b758e3162c5f511d897a3fb/61984659845.pdfIn PDF document text
- http://braghieriarchitettura.com/userfiles/files/7974166757.pdfIn PDF document text
- https://12shio4.com/contents/files/gabid.pdfIn PDF document text
- http://csc-027.com/userfiles/file/20210928092602_11kbag.pdfIn PDF document text
- https://khoahoc.timviec365.com/picturesfiles/ginekaf.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613575b196a01---46240991469.pdfIn PDF document text
- http://gilendor.cz/userfiles/file/giwal.pdfIn PDF document text
- https://lotte-ppta.com/beta/assets/file/55139264053.pdfIn PDF document text
- https://irish-setter-zucht.info/ckfinder/userfiles/files/59101400170.pdfIn PDF document text
- https://rewaqousha.net/userfiles/files/bagilebudar.pdfIn PDF document text
- http://indagosrl.it/userfiles/files/23276890007.pdfIn PDF document text
- http://movietek.vn/hinh-anh/files/lefubowaguxogeta.pdfIn PDF document text
- http://seychelles-resort.com/images/blog/file/fevilenakezamuvamekoxaz.pdfIn PDF document text
- https://eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/misatutojupelewofawo.pdfIn PDF document text
- http://kancelaria-perfect.pl/app/webroot/media/files/rujajawoz.pdfIn PDF document text
- http://kingswaytyres.com/project/kingsway/uploads/file/37796274978.pdfIn PDF document text
- http://seanmore.com/userData/board/file/97450624937.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/67f48f96244c2092d12f673d3818421a/jilevuwokugugeruzup.pdfIn PDF document text
- http://letsfinal.com/userfiles/file/fezego.pdfIn PDF document text
- https://mimpiindah1.com/contents/files/1471795768.pdfIn PDF document text
- http://red-persimmons.com/upfiles/editor/files/99911183824.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_off0000b20f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB20F | 9916 bytes |
SHA-256: 0033cb7ee9e19841d6ed34c1ded90a677e5acc0d836f29cfd0f2fd8e365276c8 |
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font_01_sfnt_off0000c80d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC80D | 16360 bytes |
SHA-256: b812dd88363ca8ea036c540b7824c565181219f4b83b56c6b80083275f491713 |
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font_02_sfnt_off0000f259.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF259 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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