MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of multiple links pointing to potentially compromised WordPress upload storage and disposable hosting suggests a link farm designed to distribute malicious content or phish users. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://gimnazjum-krasiczyn.pl/img/userfiles/file/57845370646.pdf In PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/56qi27krs4184nmc25j5q8rao6/vogudedidekafifinutidezi.pdfIn PDF document text
- https://twr1115.net/files/fckeditor/file/fexikenaxotipasagokik.pdfIn PDF document text
- http://sghscsjamarai.org/guruhargobind/userfiles/file/86761037954.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/69829463270.pdfIn PDF document text
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/f26286cdcb4ee73d097d41042467efdd/zugufodudamo.pdfIn PDF document text
- http://yuanjen.com/ckfinder/userfiles/files/gusam.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/3b96706faaa28164f25abf89cf96d2fe/xopaxotepatil.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d43dd01efd---6504880850.pdfIn PDF document text
- http://ytovietnam.net/ckfinder/userfiles/files/tigibi.pdfIn PDF document text
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1932999bf7---fedikomu.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/adab1740032ec2c7e652a12d02d4922d/1673547501.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/6b76599ddf052955210bde6b44b4a0e0/40681168732.pdfIn PDF document text
- https://irantruck.ir/data/file/57634603967.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1caf26d4d---jowipegajiwirerusazupu.pdfIn PDF document text
- https://blogsma.com/files/33812156502.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/f29ee1875acdb05659bed9192dd5178f/putibate.pdfIn PDF document text
- https://sbufficio.it/file/21007691603.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/2a572a9c550109e5c0f87a296c178a60/88768149066.pdfIn PDF document text
- http://rencontres-icare.org/userfiles/file/rogaxodasasewemadanonatew.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/7dbd12f203f871d28bc044a701400eb6/5218073861.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160d4fca7b50b6---tagutarodamojiv.pdfIn PDF document text
- http://debsluxe.com/clients/1/17/174397649ed9f07baa8f9d9f48c72a4d/File/divulepivunisagasati.pdfIn PDF document text
- http://deaprogettazioni.it/userfiles/files/3714454491.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=spy+camera+detector+app+iosPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f95a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF95A | 17592 bytes |
SHA-256: e4ca249a2eeb7d7560cd1f6f25dec48f39fea3f3b11794b95cf7f41c6ab5ef06 |
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font_01_sfnt_off000112ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112EE | 10712 bytes |
SHA-256: f26ace79eccc50574dda7c9f94e6ef6a2b7f3f2b328653c759d9c3a766beec8f |
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font_02_sfnt_off00012b92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B92 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off000143a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143A4 | 17792 bytes |
SHA-256: fa3826f0742de3f008e3ad6f7b9f3bcac2f1ff3e349fd45691f1babc094f84df |
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