MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites and potentially disposable hosting domains. The embedded URLs, such as 'https://queure.ru/uplcv?utm_term=golden+gradient+in+illustrator', are likely part of a phishing or SEO poisoning scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://queure.ru/uplcv?utm_term=golden+gradient+in+illustrator PDF link annotation
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aca22fa9a47---92091292727.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/908c117ab938b4781eed2e3429710f36/fefajebu.pdfIn PDF document text
- http://taiyoaquris.cn/upload/userfiles/files/20210612232541.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/ol4jjnnstv2s3fjs8c7je5hqe2/95265968274.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4d134ef44---87505408382.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16084d87b21f08---fifejij.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/fsolss9v7rcrlkeo8sjgosr39l/32704013328.pdfIn PDF document text
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/cc6659faf9eea11bbb3a35525b805a78/kesugerisusetaranelef.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a1037446e4c---843984528.pdfIn PDF document text
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/b8094a0035330ad1d6d91cb4390d7e1a/falujakaxakeriganimesuwif.pdfIn PDF document text
- https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/449c8de9cecf620c0254ae3ff91ac76e/16837572970.pdfIn PDF document text
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/hfva6ghrgs810o1h2bdaq9vucm/zemid.pdfIn PDF document text
- http://dfh-consulting.com/userfiles/file/85125010957.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16097e98f2e510---87883817501.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d803.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD803 | 5024 bytes |
SHA-256: c9bded7a070c216b89a4b51f93794dd96a354f85a328c66304800352d3cab0a9 |
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font_01_sfnt_off0000e926.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE926 | 10948 bytes |
SHA-256: fcd0975d5df647f8ec3e25bcc480ec2bdb6586fdbaf969bb4d3908dfd6c5e893 |
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