MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised WordPress sites or disposable hosting, indicating a link farm for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or delivering a secondary payload via the embedded JavaScript.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://interconformity.ro/images/file/39474812447.pdf In PDF document text
- http://oletrans.sk/editor_uploads/files/68728787809.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/33f419b77a50933edaf1cb6442609f9b/mafagegexujutiwetojuzita.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/de5cdc86d2b5f6e4958838ff62d3843c/dojejojaguvoferopexiwuna.pdfIn PDF document text
- https://jv-cms.crazy-jessie.nl/uploads/files/68398808570.pdfIn PDF document text
- https://ruiguoex.com/upfile/files/2021/09/19/29351839920.pdfIn PDF document text
- http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/ginepofotixamomeganazonu.pdfIn PDF document text
- http://zimmerei-possert.at/28624186232.pdfIn PDF document text
- http://spamsmsgiare.com/media/ftp/file/nonolumogiken.pdfIn PDF document text
- https://stallion-international.com/userfiles/file/65459312691.pdfIn PDF document text
- http://toitureetfacade.fr/data/Files/30420166924.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135e7d97dc15---jomuretol.pdfIn PDF document text
- https://bimore.vn/webroot/img/files/61525581950.pdfIn PDF document text
- http://hamzalegalservices.com/userfiles/file/94417965714.pdfIn PDF document text
- http://abwingsbuffalo.com/uploads/files/73577420774.pdfIn PDF document text
- http://vkts.se/userfiles/file/togulolupumem.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/85806358251.pdfIn PDF document text
- http://haiqi-machine.com/d/files/42088981510.pdfIn PDF document text
- http://alompar.hu/uploads/content_files/files/14120543000.pdfIn PDF document text
- https://actaviaserica.org/board/file/files/kemuxuwusojotiv.pdfIn PDF document text
- https://shevtsov-art.com/uploads/files/gesexu.pdfIn PDF document text
- http://hajnysport.cz/FCK_userfiles/file/wiwulekozofavamiv.pdfIn PDF document text
- https://ratsimae.ee/media/contents/file/77601750533.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161403dba559e7---witufuwubibugolonikin.pdfIn PDF document text
- https://pmfegypt.com/userfiles/files/nakononarufemowurajabejix.pdfIn PDF document text
- https://liguecasa.mmsfoot.com/stock/file/wokux.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=htc+inspire+4g+software+update+server+unavailablePDF 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_off0000f6b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010ec9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EC9 | 18756 bytes |
SHA-256: 79e6f3cbcddbcaa558ed8cae18a499258e4b222f57f1c63ca83ea1bb59b3f0a5 |
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font_02_sfnt_off0001404b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1404B | 11256 bytes |
SHA-256: 40c978c403fa5db47e93df13e89cc35b82d0f4a312f411dcf1730799b382b93d |
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