MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various websites, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using numerous distinct hosts with a single link each, suggesting an attempt to manipulate search engine rankings or distribute content widely. No scripts were extracted, but the overall structure and URL distribution strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://swift-tw.com/lcc/upload/files/tewuvotuwuwelufu.pdf In PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/699852e57569118d1e119acbb6b609ac/69026601883.pdfIn PDF document text
- http://petraifevronii.ru/ckfinder/userfiles/files/21956292875.pdfIn PDF document text
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/d3gva4bq833u3u3mld8j3i9i15/19634477753.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/pamuvori.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606d43e1375ab---saxix.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/sazatekavuxijibepudix.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16085a7d793940---xidonovubatedidilonuzal.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16093a980d2115---mejawu.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c268c8900dd---41000159625.pdfIn PDF document text
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/f0371or9hs562tteflr2tfdms7/sapenububojifunuf.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/3533b04b9bd6d4beec9f3f384d77b2c4/90333575925.pdfIn PDF document text
- http://monroehighwildcats.com/clients/40160/File/84050063591.pdfIn PDF document text
- http://hainescentreasia.com/images/file/16534194920.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a675f103327---likopilipif.pdfIn PDF document text
- http://garderoba.sk/images/_file/20303193650.pdfIn PDF document text
- http://alexhoffordphotography.com/temp/files/file/53218218107.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/2f52b520afa338aafd826ad0efacceff/3659977686.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/4c20e638774e6ec84fcba8b750ec8435/5429057552.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/LPIa9PGmDLg/uplcv?utm_term=russian+fake+numberPDF 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_off0000c69f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC69F | 5092 bytes |
SHA-256: 082602aea6e8c706c8172d8eb9322448063c7304b1d59660499501b6035f477a |
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font_01_sfnt_off0000d7e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E3 | 10640 bytes |
SHA-256: 4ef5c5419df541f454a29f4de4f8f56e96bb2646c13647cc91cb6f1c629b3540 |
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