MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://nomylo.ru/uplcv?utm_term=how+to+merge+word+documents+into+one+pdf+file PDF link annotation
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611ab2949772a---74405873305.pdfIn PDF document text
- https://sindonis.com/userfiles/file/zinibiwobowudadejekiti.pdfIn PDF document text
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160d66ebd5ea73---33341924146.pdfIn PDF document text
- http://analogsys.com/uploaded/file/28558467660acd4f30272d.pdfIn PDF document text
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/8980ef99130888108921aebab47237b8/54545025894.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/rb9cm9uflpqn8o0jr0o5mvea01/zosesosamelojulonedatomu.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1333550f7---detuwetixuf.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/f83b5mvdf29gadjq1k43gcns41/85956458779.pdfIn PDF document text
- http://op-gold.com/ck_image//files/dowonizusikejuvajuzugovu.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b172e3d31d9---koboladumisunizesado.pdfIn PDF document text
- http://www.look4job.gr/images/_user_na/file/wabagawakosugozug.pdfIn PDF document text
- http://eltonltd.ru/sites/default/files/uploads/23030862189.pdfIn PDF document text
- https://linardi.ru/files/file/fizefulinaxuvu.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef3cbd196b---41735178040.pdfIn PDF document text
- http://poorclarescork.ie/images/lakotajegujudubevodakun.pdfIn PDF document text
- http://strahovka66.ru/userfiles/file/nelikekinanub.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/311a70c726f6ce761ac9ddb55e8105f8/telinejoxav.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16095aa5439d07---63083266860.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607509a75c849---togekigipa.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a6277e5d1d2---38860487970.pdfIn PDF document text
- http://jlm-kg.com/uploads/file/72862371946.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16092ad1240105---zalorapetipe.pdfIn PDF document text
- https://acronimocostanzo.com/userfiles/file/66796586162.pdfIn PDF document text
- http://easytravel63.ru/ckfinder/userfiles/files/desufukilokoxi.pdfIn PDF document text
- http://bkdesign.ee/userfiles/file/48287995218.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_off0000d9c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C8 | 17564 bytes |
SHA-256: a65fa64ce0a6ef44ddc408c48900cadf713296fbc8ccb7da2fc42b1eb4b3f61d |
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font_01_sfnt_off00010693.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10693 | 10976 bytes |
SHA-256: 20ad6a1aed846724187ff9cf42c3bacdc0fbfd4ab5ca9c49e2936873d14a204a |
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font_02_sfnt_off00011fd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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