MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high probability of malicious intent. The PDF contains a link farm pointing to numerous URLs, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a phishing or malware distribution scheme. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/25856ac54800397aca2bf153a53df628/josate.pdf In PDF document text
- http://tz5168.com/uploadfile/image/2021/09/18/file/20210918_083216_125.pdfIn PDF document text
- https://webmenuplus.com/images/file/6640694727.pdfIn PDF document text
- http://solo-reisen.com/media/images/file/17039549835.pdfIn PDF document text
- https://ibshospitals.com/userfiles/file/kewixajebatetimumoxafek.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613e514aac4f9---kodiziruxulebuvireto.pdfIn PDF document text
- https://www.champagne-cornevin.fr/ckfinder/userfiles/files/21994889611.pdfIn PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/40bsm64qaq7e6i404b1njdb051/lekeropa.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210906124811.pdfIn PDF document text
- https://cli-kh.com/uploads/files/202109121632162884.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/3o5iomg4noouobbn52o9q7ngd0/21537694000.pdfIn PDF document text
- https://lexcochoralsoc.org/demo/lccs/beta/userfiles/files/zufeludodisunakatamitima.pdfIn PDF document text
- http://chi-kara.net/Upload/files/22526025218.pdfIn PDF document text
- http://tauroconsulting.pl/userfiles/file/42244790818.pdfIn PDF document text
- https://gitteszoneklinik.dk/ckfinder/userfiles/files/litiwafagojadonofa.pdfIn PDF document text
- http://salonorganica.ru/upload/files/dokofiravusisoderejulaxor.pdfIn PDF document text
- https://whitesal.com/data/images/file/9026_20210901122737.pdfIn PDF document text
- http://imobiliariaimperio.com/files/files/10447965383.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/65755922743.pdfIn PDF document text
- http://orthodoxnews.us/file/49216012892.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=cara+mengganti+wajah+foto+di+androidPDF 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_off0000d2d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2D2 | 10832 bytes |
SHA-256: 8b0783be03b798898bc4b9824d95b5dc0d6d152e958680472ccba203059f7ce8 |
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font_01_sfnt_off0000eb6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB6C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001037e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1037E | 17016 bytes |
SHA-256: 6b236670b278511e40969b44efdf0cc076996c4bd69d9701d8dbd70f8bb5416e |
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