MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm used for phishing or malware distribution. One prominent link, disguised as a Chrome download, is likely a lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161377bd20ab1b---gejewunavunexi.pdf In PDF document text
- http://djk-winkel.de/images/uploads/file/74019367957.pdfIn PDF document text
- http://artwatch.ru/userfiles/file/79719877810.pdfIn PDF document text
- http://tehnicgaz.eu/files/file/fudesidek.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/cc110ae96a1b8249b4e36e59dbe780f9/45974571050.pdfIn PDF document text
- http://zagazzo.com/userfiles/file/jikikozifupisukibagomi.pdfIn PDF document text
- https://valerart.com/ckfinder/userfiles/files/kixabu.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16143956d5b1a5---15864361048.pdfIn PDF document text
- http://mylodge-naoshima.com/images/blog/file/62504931238.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/subemutivilejapumotova.pdfIn PDF document text
- http://alemotta.com/resources/original/file/60614658167.pdfIn PDF document text
- https://universitecentrale.net/uploads/FCK_files/file/volis.pdfIn PDF document text
- http://a-b-i-s.net/layout/bilder/file/94435220789.pdfIn PDF document text
- http://homeopathyhongkong.cn/files/10073978681.pdfIn PDF document text
- http://martonaroniskola.net/userfiles/file/zawelesa.pdfIn PDF document text
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/jojugedibuwe.pdfIn PDF document text
- http://unitez.net/images/newtech/files/kuwepamu.pdfIn PDF document text
- http://giaexploring.it/userfiles/files/webavofenunitolowimike.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/6601835dff0d1fb151002baf82f70b56/rekesutonusewuxogafe.pdfIn PDF document text
- https://braveathlete.net/geektic/files/xikakodubugo.pdfIn PDF document text
- http://compow.net/ckfinder/userfiles/files/venolodarewunegekixitus.pdfIn PDF document text
- http://ediljolli.com/userfiles/files/jimexavas.pdfIn PDF document text
- http://brandorbit.in/userfiles/file/somevike.pdfIn PDF document text
- http://nollve.com/img/editor/image/file/17451301110.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=chrome+64bit+downloadPDF 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_off0000b29e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB29E | 15288 bytes |
SHA-256: bf21308546aee82505832ffe7d82d7f52f574817cd730128c7d48ece72851b69 |
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font_01_sfnt_off0000d94b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD94B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f162.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF162 | 10848 bytes |
SHA-256: 9add7d3adaa28cf54c945eb7f779e47f06ea7c6a588aac79635f23aa75931b2b |
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