MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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 http://yushendesign.com/images_fck/file/1631455237.pdf In PDF document text
- https://ku4ysk-9lgp4y.com/contents/files/niruvazokikotitoluxoparo.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fb12843496---jufefemunulozesola.pdfIn PDF document text
- https://mcsfood.com/images/file/3392982105.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/80f065ef643a7af076f96a12dc6de184/46533422009.pdfIn PDF document text
- http://celesteandtorsten.wedding/images/file/kiwumujenekefe.pdfIn PDF document text
- http://targhevaticane.it/userfiles/files/rifowufunojelitisate.pdfIn PDF document text
- http://ibconsulting.it/userfiles/files/87083020332.pdfIn PDF document text
- http://bestorkate.com/uploads/ckeditor/files/juzufirilivol.pdfIn PDF document text
- https://icon-studios.com/userfiles/file/xuxix.pdfIn PDF document text
- http://educaholistica.com/resources/img/imagesck/files/sokibibaminemorotij.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16136b9831b6a1---lerovefalum.pdfIn PDF document text
- http://residenzaeden-albisola.com/userfiles/files/kipuvepa.pdfIn PDF document text
- http://bjqyms.com/filespath/files/20210906030954.pdfIn PDF document text
- http://hzbmsj.com/images/upload/File/3552394827.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/fa65033bedbede8dfb3671c2363a087b/busejobelidofer.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210910064929.pdfIn PDF document text
- http://soles2walk.cz/data/file/jipusu.pdfIn PDF document text
- http://antansconstructions.com/ckfinder/userfiles/files/xawemedatereremilipajivij.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613fb23e31f19---91010295254.pdfIn PDF document text
- http://orthodoxnews.us/file/1962528048.pdfIn PDF document text
- https://www.mmgrowersg.com/ckfinder/userfiles/files/84301306298.pdfIn PDF document text
- http://coquicart.com/ckeditor/ckfinder/core/connector/php/uploads/files/23527794383.pdfIn PDF document text
- https://soenen-pneus.com/upload/file/xopor.pdfIn PDF document text
- https://ietc-oman.saktoon.com/userfiles/files/91982936594.pdfIn PDF document text
- https://swiz.eu/files/editor/15995141306.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=zpatcher+injection+appPDF 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_off0000c2fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB0D | 17412 bytes |
SHA-256: c8dc4398dc2827c6423f1b7ce1ec31701f2331848b00b9660914a798ee08d42b |
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font_02_sfnt_off000108ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108AD | 10352 bytes |
SHA-256: 940037bf9b35df27987b8cfc14351790b94ef500cd7e3b5c872f1b2e0296b7ef |
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