MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous external URIs and links to compromised CMS uploads, suggesting it functions as a link farm to distribute further malicious content or conduct phishing. No scripts were extracted, but the presence of multiple external links and the overall structure point towards a malicious downloader or phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://smidgel.ru/uplcv?utm_term=car+simulation+games+android PDF link annotation
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/6egbjbmtd48c1c436n4kjjsa86/42440737636.pdfIn PDF document text
- https://vidaleve.net/ckfinder/userfiles/files/dewad.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/51b1dbc0added231f91933f70887e22c/71016650303.pdfIn PDF document text
- http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/desuwilamej.pdfIn PDF document text
- http://ambvet-trefontane.eu/userfiles/files/13563310483.pdfIn PDF document text
- https://cli-kh.com/uploads/files/202109100559007785.pdfIn PDF document text
- https://giaynangchieucao.com/userfiles/file/1794541014.pdfIn PDF document text
- https://gazeta-msp.pl/user_files/File/domapevebuxozunox.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161430f1267a2e---6827628195.pdfIn PDF document text
- http://99hospitalitygroup.com/ckfinder/userfiles/files/83753655832.pdfIn PDF document text
- http://apex-architect.ru/images/file/51780859388.pdfIn PDF document text
- https://taucaotoccatba.vn/images/news/files/zuzenoku.pdfIn PDF document text
- http://wjvanderheidedienstverlening.nl/uploads/file/duwateluxijaxo.pdfIn PDF document text
- http://urparitet.ru/admin/ckfinder/userfiles/files/xujopusodefitegogagigi.pdfIn PDF document text
- http://wajl.net/img/file/2021916164930.pdfIn PDF document text
- https://intrastorg.com/userfiles/file/zepevu.pdfIn PDF document text
- http://wohntraumgmbh.at/sebutewekijuzip.pdfIn PDF document text
- http://vrakskodamnetice.cz/file/63320466855.pdfIn PDF document text
- http://bbbo.handyfriendship.com/upload/files/63225371871.pdfIn PDF document text
- http://personnelstrategies.net/userfiles/file/fopav.pdfIn PDF document text
- http://greenmodels.ru/uploads/files/24158361954.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b3b746a2b---gifoge.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_off0000bb14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB14 | 10724 bytes |
SHA-256: c154782e59fb15872871d76edc3aca88203cff9bb369dcf31d2bb6ac18796314 |
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font_01_sfnt_off0000d37b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD37B | 16716 bytes |
SHA-256: 862fd53fc9faed85f6216ef148a7aa4cd759438b03664961ef5b63be8e4a692d |
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font_02_sfnt_off0000fdff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDFF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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