MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it's a link farm on compromised CMS uploads and uses an invoice/payment lure. While no scripts were directly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious content, likely a phishing or malware download page. The presence of multiple compromised domains hosting PDFs reinforces the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/e1066151095c11544bae218454c582d4/88246325212.pdf In PDF document text
- http://gowowdeli.com/uploads/files/muzusisupumazogaxunude.pdfIn PDF document text
- https://www.sistemkabin.com/ckfinder/userfiles/files/65863933349.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f3d0122d069---24068840211.pdfIn PDF document text
- http://firewaterdamagedfw.com/test/fckeditor/uploadfiles/file/gomizeniwojazizopogibi.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b3675fd79f8---7497259100.pdfIn PDF document text
- http://ueros.fr/admin/ckfinder/userfiles/files/95788487101.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/26ajhi4t994eeha2l3sbd8q1c6/67404237831.pdfIn PDF document text
- http://thesciencenetwork.org/uploads/files/42181241324.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081fa60b7cc7---72690787121.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16094dd539106d---kidugizisoxisako.pdfIn PDF document text
- https://jooli.ru/ckfinder/userfiles/files/xudugujadus.pdfIn PDF document text
- http://dogable.de/userfiles/file/lilidadotijavagipexes.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/dlg5cpgavfokvka22te6la2rvv/wajolorelobimate.pdfIn PDF document text
- http://martonelektro.hu/files/file/xipinorevavigibobav.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/8d28b232ba38b37b0d35893a1ae969b7/85965607128.pdfIn PDF document text
- https://geniodelweb.com/file/85512450938.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf24b9a72f---30988268016.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160baf6912bd41---50917697531.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/5f7960eea6032ea3ce63b58c3f752e6c/vipixotefoju.pdfIn PDF document text
- http://ciaooo.ru/uploades/userfiles/file/9625650428.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16100940c0ba2f---41634396491.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccc61fd785f---godebonamojesetokusag.pdfIn PDF document text
- https://ikitellirezistans.com/upload/files/ripuvazizafijas.pdfIn PDF document text
- http://bielle-srl.com/userfiles/files/48619916063.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=receipt+of+payment+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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c200.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC200 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA12 | 15252 bytes |
SHA-256: fcb4e6bf295a2b8c6255d8d6707d06b503f4d9fa0e0cc06203f832767e7b75d1 |
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font_02_sfnt_off0001007a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1007A | 10624 bytes |
SHA-256: fa66017157559f7b78776a5e00bf298b2fa59a850d321ba152cea0849fcbe835 |
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