MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous embedded URLs that point to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://smidgel.ru/uplcv?utm_term=scr+apk+pro PDF link annotation
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614678637a7c5---31736778403.pdfIn PDF document text
- http://kiavysocina.cz/UserFiles/File/lelafowabe.pdfIn PDF document text
- http://risme.vn/files/97065836174.pdfIn PDF document text
- http://rebeccaosborne.com/uploads/sagubinezarose.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/a72926354d4d8eaa15d9c148cf7bd6ba/19566697980.pdfIn PDF document text
- https://eagle-aviation.com/userfiles/files/7715388057.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/bdc59d2c531abdc75f11ad0453b271e4/vaximaboxikoniluvis.pdfIn PDF document text
- http://gekon.net/userfiles/file/fopajipegutofel.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/372f8e69288ad87cb0e79c1960f8c97f/9164237325.pdfIn PDF document text
- https://3rproject.eu/ckfinder/userfiles/files/medaluviwitiso.pdfIn PDF document text
- https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/63761731545.pdfIn PDF document text
- https://autopsrus.com/ckfinder/userfiles/files/digapigitoza.pdfIn PDF document text
- http://etabetasurvey.com/userfiles/files/52178519887.pdfIn PDF document text
- https://ptogel2.com/contents/files/81560844610.pdfIn PDF document text
- https://harom.ro/files/file/supizadimimovifuleka.pdfIn PDF document text
- https://ganport.pl/userfiles/file/puvoropupedozatavox.pdfIn PDF document text
- http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/jobogebusesag.pdfIn PDF document text
- http://robertfeinberglaw.com/images/edit_images/file/penesakilidixojozan.pdfIn PDF document text
- http://liluby.com/upload/file/12480312756.pdfIn PDF document text
- https://harteron.ee/userfiles/file/21461813119.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/dbdafbccecc6294a0edd94b6f6aa2531/28362588105.pdfIn PDF document text
- http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/sogifovewovepebasikoda.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_off0000acb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACB5 | 14856 bytes |
SHA-256: 90ff044b16c1516ca4cf95ff5858d8a5394604d933e7864dd77e647623bf03ed |
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font_01_sfnt_off0000d22b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD22B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ea41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA41 | 9892 bytes |
SHA-256: c2e14f5b1ad74cc0c2c5f89ba76b523059f5a0b6ac96b1b233e52fa829929325 |
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