MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous embedded URLs pointing to compromised WordPress sites, suggesting it's part of a phishing campaign or a distribution point for further malware. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://queure.ru/uplcv?utm_term=berkay+yay%C4%B1nc%C4%B1l%C4%B1k+ak%C4%B1ll%C4%B1+tahta
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088267f0c29f---balopalapevowopubovit.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160feb59fca7f4---lukujixotuvapi.pdf
- http://famillespourstarlight.ca/clients/a/a9/a9b42c05011d3bb27e7f7ec2ed30324f/File/bifelowalunalaza.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a48d71b530d---39525079708.pdf
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/7m3kpt4mtd9q6fcb934hg83maq/lelekiverizirowadifamav.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d425b23592---57188590864.pdf
- http://driver-jazda.pl/upload/file/subunidixuled.pdf
- http://bertrandetgastineaudesigners.com/userfiles/file/damagugozo.pdf
- http://castudio.eu/userfiles/files/pajug.pdf
- http://aa-nusd.jp/mikuvofomegorupuguzobop.pdf
- http://hpworld.hu/data/pic/Image/file/685582890.pdf
- http://aarogyamedico.com/userfiles/file/fomaramemiv.pdf
- https://soudurelauziere.ca/upload/editor/file/jolezurenim.pdf
- https://yepsell.com/userfiles/files/12963021696.pdf
- http://klawiatury-foliowe.pl/_data/file/tugixovaduselagob.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddab3c2778---80459605780.pdf
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/a0576e5e706ac0d9f786bc3cc9894ea6/82968204381.pdf
- http://icltindia.in/userfiles/file/zibolajurasudojen.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/493d287fb1a4cffddb7eb1fd831ca75f/nizixivo.pdf
- https://maintogelonline2.com/contents//files/69668630105.pdf
- http://naphogacomposite.com/upload/files/moxezom.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160823c61e2048---pimotuvu.pdf
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16091128c0ce4c---9231185083.pdf
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609380be1db98---wajiwiwegamojoxavak.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011a12.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A12 | 16792 bytes |
font_01_sfnt_off00013229.bineae3615e4e0bd278bca13e1a478285330aa97edade385aafc7d8379d30e1b2ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13229 | 10252 bytes |
font_02_sfnt_off0001491b.bin89038e86c1afa96efe72241abd09b8189145a6ba7093c9f90536b50e7914dbc1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1491B | 19872 bytes |
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