MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a lure message suggesting attached agreements, but the document body is heavily obfuscated and likely contains malicious JavaScript. Heuristics indicate the PDF is a link farm pointing to compromised WordPress uploads and disposable hosting, with one URL specifically containing a 'utm_term' parameter suggesting a phishing campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to download a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://pistant.ru/uplcv?utm_term=please+find+attached+duly+signed+agreements+for+your+record PDF link annotation
- http://ildungrice.com/fileupload/fckeditor/file/banikizivabexowipatex.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc5d47ad61b---20722619057.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/37742938810.pdfIn PDF document text
- https://hyosungulf.com/uploads/file/8785414640.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/aoa2vbbd5fsuc31g05fjjnj707/76947828329.pdfIn PDF document text
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/jicj4nnc5gfc9a4fkgb23p9o86/supisamexagaful.pdfIn PDF document text
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160ab05e731a26---11290781949.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/6628o3nmkc0ahcr5cidf6sqcgo/91583966032.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/c4958voh09ud3q4o0i08dlbv8q/dopinad.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/1c71f7f9a1f35fefbba88ac33dfca1dd/3357203918.pdfIn PDF document text
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/b2ruk4p527n5dv93qk0au5fgnc/zaxenojidegafajegofipapef.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16070c7274a445---wugunaruve.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/16c13712f625909b80f8081c7085bacf/10471632987.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607b44376a959---31164694948.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/63113649294.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_off0000c6f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6F6 | 5536 bytes |
SHA-256: 0726de57dc3ba3df4dabf91b5e4c74500b3dd80b59b9a9dcab1801fcc7e1ed8f |
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font_01_sfnt_off0000d9ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AD | 10384 bytes |
SHA-256: 0e05496569304b3a6280a0579166f3f572c9125867cd671191c2be8dc05c93cc |
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