MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan. It contains embedded JavaScript, which is a common technique for executing malicious code within PDF documents. The document also features numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a phishing or credential harvesting attempt. The presence of embedded JavaScript indicates an attempt to download and execute further payloads or redirect the user to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9305
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/47235741685.pdf In PDF document text
- http://anhuizpyy.com/upload_fck/file/2021-7-30/20210730033440296019.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160722fba3401a---12435264206.pdfIn PDF document text
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6d0aff0674---72553561256.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16089585a45dbe---85499998139.pdfIn PDF document text
- http://buchtel1967.com/clients/26382/File/foziviv.pdfIn PDF document text
- http://sieuthibongda.net/ckfinder/userfiles/files/68246655949.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/f9f1f2cd40d0994261a067436536a92b/76565950432.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/irkjig2gdrnak5ejt00gvfmn01/riridame.pdfIn PDF document text
- https://greenlandpark.com/uploads/files/62420954763.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/faf811f636dcfecd53567ebf27c23306/9690607771.pdfIn PDF document text
- http://mxm-hosting.nl/img/editor/file/48845473913.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c93b1c1411---59336980068.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608759d02b67b---xemojamidofemewoxire.pdfIn PDF document text
- http://shipagents.nl/uploadfiles/file/58596914361.pdfIn PDF document text
- http://thestarbusan.com/FileData/ckfinder/files/20210729_2334F8A5467F6F18.pdfIn PDF document text
- https://ancoraeducacion.com/images/mosukovagusunulad.pdfIn PDF document text
- http://aydinservis.com/ckfinder/userfiles/files/47726250991.pdfIn PDF document text
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/1792bbfb147d843e9113428d8db3c674/98378912572.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160e904780a7e8---88635823997.pdfIn PDF document text
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/6adb646fa4171c74815e6f8ffcc50735/bedukemoperavapire.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bda64513c9f---3920483188.pdfIn PDF document text
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/1b998ea3832c7aaa3467999467198989/95418081695.pdfIn PDF document text
- https://ytdrive.com/CKEdit/upload/files/tolarefi.pdfIn PDF document text
- http://acudrved.com/ckfinder/userfiles/files/kijek.pdfIn PDF document text
- http://gunjanjain.com/app/webroot/js/uploads/files/nixonutenasusivuna.pdfIn PDF document text
- http://kurtoglumob.com/upload/file/dizusarux.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/8f5f2b68b7a4509135d8c2541375433b/42391977968.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=membangun+keluarga+sakinah+pdfPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off0001e380.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1E380 | 32292 bytes |
SHA-256: 5e5c5d5dc76d4617aa5df45b2b303119913add6d7d3f2205cee118858497d954 |
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font_00_sfnt_off000185ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x185EA | 17160 bytes |
SHA-256: f806fd7b782d51f9b9bf14c69114f3de3f29085657d35dada9c35b32d527bf3e |
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font_01_sfnt_off0001b265.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B265 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001ca7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CA7C | 11052 bytes |
SHA-256: df5bd229996ca9dcc842ca7e1de4483df6cd8c3c9e6d2c72a44bcde936e80903 |
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