MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external links, many pointing to compromised websites or disposable hosting, suggesting a phishing or malware distribution campaign. The primary function appears to be redirecting users to external sites via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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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 https://infrive.ru/uplcv?utm_term=sat+physics+subject+test+pdf+download PDF link annotation
- http://landroverbh.com/ckfinder/userfiles/files/49644536199.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a287244826---xewuxovefegobedila.pdfIn PDF document text
- http://honda-vo.com/upload/file/8075859888.pdfIn PDF document text
- http://tageedesign.com/ssmpt/documents/file/53826870536.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/baxobidijeku.pdfIn PDF document text
- http://chieucoingason.vn/files/93494281014.pdfIn PDF document text
- http://connect-event.fr/ckfinder/userfiles/files/77778549908.pdfIn PDF document text
- http://osteriailgalloelinnamorata.com/userfiles/files/topijesikifidimiz.pdfIn PDF document text
- http://pizzeriadevita.it/userfiles/files/tegudezo.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/detafosapaxuvosifujodoli.pdfIn PDF document text
- http://5lovestartw.com/CKEdit/upload/files/34009856736.pdfIn PDF document text
- https://relaxbotanika.cz/ckfinder/userfiles/files/godewomixuwuronemamutufan.pdfIn PDF document text
- http://amunt.madteam.net/ckfinder/userfiles/files/zenawakezeloge.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf6be61dea---81366968576.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131a8c8bb865---gigife.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/bfd730276d4d0a4c1ee4c1d99c72cc17/dokugebi.pdfIn PDF document text
- http://laconchigliacasevacanze.it/userfiles/files/mimabuzikuvabo.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/vewizolozemofizazobi.pdfIn PDF document text
- http://scuderia512.com/js/upload/files/xowajurexeromezenewi.pdfIn PDF document text
- https://watfordfairtrade.org/app/webroot/img/files/88057150296.pdfIn PDF document text
- http://sugarfree-gelato.com/upload/file/41023989692.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135151f7e91d---sovadigivaretuwuxupuxupij.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/bugisuninenizawilodutuzi.pdfIn PDF document text
- http://iiiemjobs.com/FCK_Editor_Images/files/jivufijumubasimolado.pdfIn PDF document text
- http://xn--2e0b30g3uq7pay7m.com/upload/fckeditor/file/mitetogopizimomuduzek.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_off0000c582.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC582 | 11260 bytes |
SHA-256: 770a205262c03b718d4baf5297097408329c2f93151db2dd9057d67a173c2208 |
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font_01_sfnt_off0000dfae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFAE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f7c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C0 | 16520 bytes |
SHA-256: 900a12bfc4c31bb02f2b77ad28c72d6e36f6025f1cea9d7d050b5bfa5c955bed |
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