MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with multiple URLs pointing to compromised CMS uploads and disposable hosting. These links are likely designed to redirect users to malicious content or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://aqua2go.pl/galeria/file/denoxirinemegoze.pdf In PDF document text
- https://mlmrockstars.com/ckfinder/userfiles/files/novevifuneba.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/a2910f5662a6cab1ae56650c40d3ef2b/disevuxonadapareje.pdfIn PDF document text
- http://envisystem.com/upload/userfile/files/85984403628.pdfIn PDF document text
- http://laboratorioshamalab.com/userfiles/file/95214500715.pdfIn PDF document text
- http://keralatravelpath.com/uploads/file/50913132798.pdfIn PDF document text
- https://whiteplacard.com/UserFiles/file/67081741164.pdfIn PDF document text
- https://sanidom.pl/img/file/pifal.pdfIn PDF document text
- https://radmangroup-ye.com/rgfiles/file/31703096795.pdfIn PDF document text
- http://caogenzhiben.com/filespath/files/20210914135232.pdfIn PDF document text
- http://dennehylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/firavukumasibawisiposon.pdfIn PDF document text
- https://alyosserspneed.com/userfiles/files/36874789628.pdfIn PDF document text
- http://ljjxmining.com/uploadfile/file///2021091209564156.pdfIn PDF document text
- https://fiscalonline.ro/app/webroot/files/userfiles/files/98600815707.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/161369ee1113dc---43928218291.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/m3scdaldpu39qbdkp92pvss2ib/davunoleriwekagasapa.pdfIn PDF document text
- https://pakistanchristiancongress.org/userfiles/file/10318572104.pdfIn PDF document text
- http://nyitotthaz.hu/userfiles/files/najixugegetefuzamod.pdfIn PDF document text
- http://kamkmori.cz/ckfinder/userfiles/files/jakopatelebu.pdfIn PDF document text
- https://manusingh.org/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/7453865623.pdfIn PDF document text
- http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/darusesefaxemivizizewir.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=android+studio+ide+onlinePDF 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_off0000e328.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE328 | 10160 bytes |
SHA-256: 0ec2d597ba22053772c582db2873f85f4c3f5055af679049aafdbab2e8ba2487 |
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font_01_sfnt_off0000fa03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA03 | 16652 bytes |
SHA-256: bc9edf0aad0d450e9770f98da8b3946f72e1628aeeee8a190b5832ddf635b96b |
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font_02_sfnt_off0001252c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1252C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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