MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed for malicious redirection. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this purpose. The ML classifier and ClamAV detection further support its malicious nature, likely as a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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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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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://cructi.ru/uplcv?utm_term=what+is+the+best+gun+to+use+in+call+of+duty+mobile PDF link annotation
- https://mar3ol.com/Files/files/22348029651.pdfIn PDF document text
- https://ngonluathan.vn/images/ckeditor/files/27264392528.pdfIn PDF document text
- http://semihkerpiccilervesupersound.com/upload/file/refilugud.pdfIn PDF document text
- http://simkoongschool.com/uploads/editer/files/92535101785.pdfIn PDF document text
- http://studiospazioambiente.it/userfiles/files/pewumujivonidabupirik.pdfIn PDF document text
- http://meta-min.com/files/rapibilabogofumexufobafa.pdfIn PDF document text
- http://terezmisszio.eu/files/file/8618262694.pdfIn PDF document text
- http://patrick-vallot.com/upload/files/80640103634.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136ac6a56acb---62867160268.pdfIn PDF document text
- http://togul.org/sites/default/files/file/vegafazi.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139bb6e52788---28013353723.pdfIn PDF document text
- https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/boruzivivanezutiw.pdfIn PDF document text
- http://slsnn.ru/content/files/557346613.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/6fe7dd0e339492d72bca96bb36f388c0/lopetasunuwodazako.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/jawubodevubomonedudera.pdfIn PDF document text
- http://irvine.songhakbbq.com/uploads/files/68272857303.pdfIn PDF document text
- http://kedehg.com/ckfinder/userfiles/files/1360943111.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021090523111651.pdfIn PDF document text
- http://zssadkowice.pl/pliki/taliv.pdfIn PDF document text
- http://kledingindex.nl/images/uploads/xelezemulasibogap.pdfIn PDF document text
- http://yds-wcv.jp/free_images/files/12371529868.pdfIn PDF document text
- http://ever0036.com/assets/uploads/ckedit/files/20210903144719.pdfIn PDF document text
- http://myjobcareer.net/userfiles/file/2021090821515973499.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_off0001214d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1214D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013964.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13964 | 11172 bytes |
SHA-256: 72c01528748d3d0613d41799193401b9a1a1f98ef1756ce47a83b37eeb28218f |
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font_02_sfnt_off0001531e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1531E | 17816 bytes |
SHA-256: 0e8d05a3e1f11d2e06489fe565dff04a66761f8c8362251ddeb50f6cbd2e3ce8 |
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