MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS upload storage, suggesting a link farm designed to redirect users to potentially harmful content. The presence of multiple PDF link farm heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://catamma.ru/uplcv?utm_term=how+to+give+yourself+channel+points+on+twitch+as+a+mod PDF link annotation
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b748fedb97b---23856614100.pdfIn PDF document text
- https://candbco.com/ckfinder/userfiles/files/lufozojajerawibe.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/venil.pdfIn PDF document text
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/c3202cc63a759cfd14302022802340a5/kigasulowasomeg.pdfIn PDF document text
- https://faceless.me/userfiles/files/xegojiwutigagaba.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3eeab8424---rebotu.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606d444d55a39---39168947425.pdfIn PDF document text
- https://pristineleather.com/userfiles/file/29831303759.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16102de99d046f---banobezikadefifaburebirab.pdfIn PDF document text
- http://selfmadefilms.nl/userfiles/files/muvapopekamotexakelalu.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/5f6372298d04395498dc82e337fc094d/wevopajupalofizaxefa.pdfIn PDF document text
- http://ahkjt.com/upfile/file/wukikekilojibolaxeja.pdfIn PDF document text
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/27c6cef24df8fbdf092bb57656bcb3ec/48915706292.pdfIn PDF document text
- http://shethof.ch/cgi-bin/dynamisch/file/kadiposigusimamalat.pdfIn PDF document text
- http://wawa757.com/uploads/files/85495170297.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/5e3405118107ea94b034ca5c5d6d8f07/wefat.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/14qruig1664q0qtl3gsi9p18no/wolofalixidurewu.pdfIn PDF document text
- https://marblo.com/app/webroot/img/files/pupeni.pdfIn PDF document text
- https://finatwork.com/userfiles/file/52681745473.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607edec8dae7e---25533414072.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/3f55a4aeca8f92ac6034ef15ef1dfbcb/suwaxubu.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160852f4886ef8---71440355763.pdfIn PDF document text
- http://sb-78.ru/files/file/surugujo.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/87deveitiuod3rrg9an8l22o5v/83706446662.pdfIn PDF document text
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/d0411463d387dcbedffd8a315a3cfb6c/vidipuwopifuxukifofixuro.pdfIn 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://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_off0001171f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1171F | 18516 bytes |
SHA-256: 7bad2b1598e9eac1ef6e82fdd577a24fa4fe791dde22b2caf29bd39d86b1180b |
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font_01_sfnt_off0001478f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1478F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015fa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15FA6 | 11424 bytes |
SHA-256: 5527a1c68da15c0db1944a00cc97d8a9f00eddf2571cdf3135e29e26ae4ce95b |
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