MALICIOUS
164
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 links pointing to compromised WordPress sites and other disposable hosting, suggesting it functions as a link farm designed to redirect users to malicious content. The presence of external URIs and link farms indicates an attempt to lead the user to a secondary malicious resource.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 https://philabc.ru/uplcv?utm_term=mac+os+x+timeline PDF link annotation
- http://etcad.net/np/upfile/file/6883827016.pdfIn PDF document text
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/160856b3ca22b9---32368271216.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072bd621ecdc---dukusufilimefufoz.pdfIn PDF document text
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/juxavofapetekorowux.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607c20f4b59d5---56917646403.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b810cca03fe---xedomeporusenev.pdfIn PDF document text
- http://tragadsonisurat.com/ckfinder/userfiles/files/73345014082.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/ff7b642b261b21386a7b11f7490c41e8/pivogunazarelenoviv.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b06b78a347d---67437039717.pdfIn PDF document text
- http://dioceseofniranam.org/userfiles/file/begobulixab.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/57400830592.pdfIn PDF document text
- http://bidmitt.com/img/files/file/nodubitudupimojekadurozud.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-17/20210517104422191707.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/ab68fd08b53b426ee7809a88ac938c9d/55199502200.pdfIn PDF document text
- http://mosjob.ru/images/file/97998063935.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/9478f763af18bfdb0e4640a15763df14/gabemotivakeg.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_off0001657a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1657A | 4924 bytes |
SHA-256: d6e6f12d3a70af7a27b8a7294fdb75b6d0ddf98dbef41b39a151ae6236304701 |
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font_01_sfnt_off00017638.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17638 | 12308 bytes |
SHA-256: 11463c9a883f018824895f5802ad94261361e8e3074d011fadf17c0db37fe9a8 |
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