MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or redirection attempt. Although no scripts were extracted, the PDF structure and URL patterns are consistent with malicious documents designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://struttur-arch.it/userfiles/files/fuweburoxumilaziwuv.pdf In PDF document text
- https://dispecom.com/cms_dispecom/sgi_userfiles/userfiles/files/93647613081.pdfIn PDF document text
- https://egf.tw/test2/images/file/febepakasem.pdfIn PDF document text
- http://pusheng168.com/uploadfiles/20210913172529.pdfIn PDF document text
- https://elitstroycraft.ru/source/file/7809640947.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/mafuteb.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/93453905033.pdfIn PDF document text
- http://strategie-online.net/catalogue_dynamique/file/35682467915.pdfIn PDF document text
- https://afgventuregroup.com/cfiles/file/fenajagusedutijitojofi.pdfIn PDF document text
- http://nbc.ua/design/pic/file/86974853395.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d042260a00---10060030259.pdfIn PDF document text
- http://exclusivelimoservice.com/ckfinder/userfiles/files/keronizobudizuwuxip.pdfIn PDF document text
- http://islaminkiel.de/webmisr/uploadwebmisr/file/93334601057.pdfIn PDF document text
- http://fruitvita.com/files/files/jebudisak.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16149cfdac5909---10956316691.pdfIn PDF document text
- https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/pegulefi.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/f9pqsmvp1au9kf97nj1rv3qnm0/92355526959.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137d91f7bc8b---13470765318.pdfIn PDF document text
- http://timebymtm.com/upload/files/wulifoj.pdfIn PDF document text
- http://rw-hse-businessconsulting.de/userfiles/file/surolizetexajenapax.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614117be93a83---24159490608.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=qikshare+bump+airdropPDF 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_off0000accc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACCC | 10800 bytes |
SHA-256: c0e236ef6f2ccbfea07dd7a4a20cfb597fa9e8dbe95de8c3f1ab35816dbfbed8 |
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font_01_sfnt_off0000c580.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC580 | 16128 bytes |
SHA-256: dedc954b5ee3b855086224055396643ad9e35096285ad4cac8f2d3166e72bf29 |
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font_02_sfnt_off0000eef5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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