MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. The file's structure and embedded links are consistent with a tactic to lure users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/a27828d86ab576cb001085ab176ef7b1/ledax.pdf In PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/b2a7643bde02be7c4c30105039f3c9aa/vadukafodafutawale.pdfIn PDF document text
- http://zpkprzemysl.pl/ckfinder/userfiles/files/xawanezotemagulinezerul.pdfIn PDF document text
- http://ptsound.com/plugins/ckfinder/userfiles/files/25518535230.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210911_A8CE43B3AD9BDD16.pdfIn PDF document text
- https://jordanadams.com/ckfinder/userfiles/files/56563186654.pdfIn PDF document text
- http://sreema.org/FCKeditor/file/40432090362.pdfIn PDF document text
- https://bisleri.genefied.co/ckfinder/userfiles/files/95758563878.pdfIn PDF document text
- http://kramnyca.info/img/upload/editor/file/47753318861.pdfIn PDF document text
- https://hebatkeren88.com/contents/files/39499651498.pdfIn PDF document text
- http://bakefruit.com/uploads/files/202109111837301694.pdfIn PDF document text
- http://www.velkoobchod-man.eu/ckfinder/userfiles/files/35307881242.pdfIn PDF document text
- https://vialivonica.eu/userfiles/files/16571892706.pdfIn PDF document text
- http://duetsepolno.pl/userfiles/file/97376317660.pdfIn PDF document text
- https://allcondosales.rodeodrivecondosale.com/userfiles/files/bogisurulevarezomata.pdfIn PDF document text
- https://www.thaiahpa.com/flash/files/xutezunamamesenuzajuritib.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/161378ebb9e2b8---82567397502.pdfIn PDF document text
- http://capesociety.ca/uploads/files/91153774428.pdfIn PDF document text
- http://studiochiodo.eu/userfiles/files/jugabeso.pdfIn PDF document text
- http://portaldeaquidauana.com.br/ckfinder/userfiles/files/vones.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1612eaaa48c7fd---rebugobid.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/np6bmdch5tk29he56g9gdsmos0/woxasimifexorovujov.pdfIn PDF document text
- http://kripasec.com/userfiles/file/daledofapakabajug.pdfIn PDF document text
- http://damosushipleasanthill.com/uploads/files/19948582796.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=mov+to+mp4+converter+apkPDF 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_off0000d964.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD964 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f17b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17B | 10456 bytes |
SHA-256: ade77757392d21e4a760e79bf900a0aa470c16bd3d15350d8865e4540d54c71b |
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font_02_sfnt_off00010948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10948 | 17192 bytes |
SHA-256: c0c816dccaf31de817c06ae747f536d1d1b439e739dece6cf1f94352f3ce3b7c |
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