MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, forming a link farm. The embedded JavaScript likely facilitates the redirection to these malicious sites, which are designed to deceive users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://cructi.ru/uplcv?utm_term=adblock+in+chrome+settings PDF link annotation
- http://szilasfood.hu/pic_upload/files/bekuvubotedetezod.pdfIn PDF document text
- http://nakloboucku.cz/uploaded/file/93112484111.pdfIn PDF document text
- http://train-in-japan.com/images/blog/file/64376373034.pdfIn PDF document text
- https://metrosecuritynepal.com/assets/userfiles/files/65410771907.pdfIn PDF document text
- http://kibunajcc.com/ckfinder/userfiles/files/90414640365.pdfIn PDF document text
- http://globalbando.com/DATA/upload/files/202109072141177337.pdfIn PDF document text
- http://titibbs.xyz/js/ckfinder/userfiles/files/7315629745.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/161319dd2c8348---zakimajamudasajit.pdfIn PDF document text
- https://mbamantra.com/ci/userfiles/files/27756472970.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/1d0b163fed45643632ecb1b81fccca67/rirasu.pdfIn PDF document text
- http://hsaltsj.com/uploads/files/pusutobexo.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/26a70283e55fb3929b2481e27429c7cc/milak.pdfIn PDF document text
- http://diakmelo.hu/ckfinder/userfiles/files/tivanu.pdfIn PDF document text
- http://chapelguild.com/images/usr/resurovebinafevatoxoxob.pdfIn PDF document text
- http://vnationwide.com/userfiles/files/72027922916.pdfIn PDF document text
- http://panel2conso.com/userfiles/file/guxez.pdfIn PDF document text
- http://vangphutai.com/images/uploads/files/33854175315.pdfIn PDF document text
- https://ginniglobal.com/uploads/file/82414907027.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/61217676489.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/favofotakalamibasumazuwo.pdfIn PDF document text
- https://eghamatsafar.ir/basefile/eghamatsafar/files/77566334804.pdfIn PDF document text
- http://ky-auto.com/uploadfile/files/57882248521.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_off0000df84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF84 | 10868 bytes |
SHA-256: 027092a9f76e0235af79953e825dc931888582e92a3a3cf020a0114f4acce297 |
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font_01_sfnt_off0000f839.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF839 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001104b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1104B | 18536 bytes |
SHA-256: 645061e74362f751a1b4bb28d0ddf0fcb282f12a64f8787b7f900a28bbcc34e1 |
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