MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The presence of numerous unknown-reputation URLs suggests an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://synerhu.ru/uplcv?utm_term=prison+escape+mod+apk PDF link annotation
- https://transmar.biz/ckfinder/userfiles/files/nasonivizu.pdfIn PDF document text
- http://open.ua/uploads/ckeditor/files/58088481487.pdfIn PDF document text
- http://khodahoanglang.com/admin/webroot/upload/image/files/ponukis.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1b65137be---4171158487.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/knvrfj5gtdf80nal4old9bu3s7/sivewubarafumebusajodul.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613259473dbe6---15453124351.pdfIn PDF document text
- http://orderkiwicafe.com/uploads/files/pelefelupixi.pdfIn PDF document text
- http://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/borugalupegadixusagisubax.pdfIn PDF document text
- https://vibingvibes.com/userfiles/files/3281930649.pdfIn PDF document text
- http://henanshuangxin.com/d/files/61771419607.pdfIn PDF document text
- https://emons-verlag.com/testarea/cwsCMSlight/media/files/30443529410.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/daguwufowimujidolixa.pdfIn PDF document text
- https://debo-fit.be/userfiles/file///65854847882.pdfIn PDF document text
- http://stisk.com/file/lidonazutufagabesi.pdfIn PDF document text
- http://abwferrellpkwy.com/uploads/files/8843767246.pdfIn PDF document text
- http://pereplanirovkaoblast.ru/pict/file/5092755174.pdfIn PDF document text
- http://eternaseguros.net/files/files/22465492300.pdfIn PDF document text
- https://tomclarkvoiceovers.com/userfiles/files/21158393244.pdfIn PDF document text
- http://sieuthihatgiong.vn/webroot/img/files/40773526401.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/kubivaso.pdfIn PDF document text
- http://thebankcardservice.com/uploads/files/xavowegumomuvovofukupetef.pdfIn PDF document text
- http://nhungbaithuocnam.com/img-tvdl/files/92028860012.pdfIn PDF document text
- https://sreekanakananda.com/ckfinder/userfiles/files/kuviribapasumotovo.pdfIn PDF document text
- https://imotrading.com/images/userfiles/gipejofules.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_off0000d4c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4C1 | 18284 bytes |
SHA-256: 6ededd54972a3ed22ca8e8e14ff203ec3d76c4a8c139a6bfba380fe3084370f0 |
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font_01_sfnt_off0001049a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1049A | 10624 bytes |
SHA-256: 16dba99fef9866a675b9135dbb19dadd4ef6943c6dbfe39550c400f9fa2a3a37 |
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font_02_sfnt_off00011cde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CDE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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