MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains embedded links that point to compromised WordPress upload storage and other disposable hosting, suggesting it is part of a link farm designed to redirect users to malicious sites. The 'SE_INVOICE_LURE' heuristic further suggests the document's content is intended to trick users into clicking these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://coretry.ru/uplcv?utm_term=oracle+isupplier+portal+implementation+guide PDF link annotation
- https://maspacientes.es/wp-content/plugins/super-forms/uploads/php/files/4sl3nphef0rv55tginepj88fs6/89115937782.pdfIn PDF document text
- http://ayurvedicclinic.org/userfiles/file/87395251012.pdfIn PDF document text
- https://cosplay-expo.it/ckfinder/userfiles/files/tupamotajuwororad.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd4e991969---41636151429.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a774f41c027---38575015350.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/i6l3q82v8as0jgr1nq8kihidds/dekemepaxuwijekitopimurap.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/07nkdrhjh9pti4qp4acrkjp70r/zezodisuzuzomuzovo.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/86mcpe1edbqpksk1dv1c5f1c42/releporisa.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/sdqfu08n04hldpada3qjcocgf0/14123475558.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073857e8cd03---rugusi.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/42930922561.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/a1158917e7ab7c5b8c0b2171b5a4a054/1485611848.pdfIn PDF document text
- http://isvpro.com/custom/files/difilutapikigexawopisaxin.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/7991c08d7d68ce69707eb929cc6d1ec8/potizubuw.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c8604fc9a36c6d1a0e969f82a45d8735/guxupeba.pdfIn PDF document text
- https://beldaoyun.com/calisma2/files/uploads/99289849916.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off0000e29e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE29E | 5420 bytes |
SHA-256: 21afe315ca2d94325e1d46c87ac4d6770312bb8c971a599e2ea83ab2f7b3e5bc |
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font_01_sfnt_off0000f4ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4ED | 11876 bytes |
SHA-256: bd64e5a798e2393ef807bcebc6a107245a14a1adb4562b28cc27e4cc4b15d8fa |
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