MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure suggest an attempt to exploit users through deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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 http://dgjinhak.kr/DATA/upload/files/202105270216323511.pdf In PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3271121f97---xifujem.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725fb2bc6ed---bogivogogamebovofifukej.pdfIn PDF document text
- http://oresteruggiero.com/userfiles/files/jowexekodepibode.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/1jq60prtp2dmst552glv9bg0p4/fabitilape.pdfIn PDF document text
- http://gerocuki.hu/user/file/vozikijixagejap.pdfIn PDF document text
- https://gulceoyunlar.com/calisma2/files/uploads/25630864637.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/o19njiuda6esvv0pp09l6jsad5/50539799624.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5dc4fa9a3e---53067853048.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/24872391415.pdfIn PDF document text
- http://alituncer.com/userfiles/file/60008526390.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/96581454312.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/15c967b0c012cbb2ae49605f92c32b7e/96299524008.pdfIn PDF document text
- https://lasanisports.com/files/86935037207.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160ba667a693bb---94379723567.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608722bb9f839---fuvugepapepumoti.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/1bcc757c9f2f4fd63a89b3a3139b0ac8/suwudejivafabadola.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=egyptian+god+of+balancePDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000264b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x264B8 | 5248 bytes |
SHA-256: 830efb443a3207e937488b31abff7108c4e66f4029db484e72f3487bf41a3600 |
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font_01_sfnt_off000276b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x276B9 | 16720 bytes |
SHA-256: e7c281289c71d687ddda4f52c577652f9ede5257fa0e5de059d087e056aa42b1 |
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