MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to compromised WordPress sites, which in turn host other PDF files. This structure suggests a link farm designed to redirect users to malicious content, likely for phishing or to download further malware. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/tidemq5nguahrhjllv304dbs4h/veresokuwajifodel.pdf In PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16073f481718f3---39564016690.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e61893f897---10240514190.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/qlqn0dmb7ejlb11ht8ff1gf702/pojitamat.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/79aa5664bcc7a4496e2cea726e37f0c5/23899399753.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16085047fbfa0c---wexopagowegi.pdfIn PDF document text
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160762a5d9aa5b---24979127955.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080009a7c594---3665921815.pdfIn PDF document text
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/f6de0054a53c84940483f0ba9856458b/fojapa.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/72e9ad3c85a745bc2be34a31abd7388c/jukagadofosibitiwunagiki.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef1b4e58b4---93598122465.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/dc32a7d2d7de343ec97de594d84b9372/6930733122.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/4b31b71c4d460d8ffef05d12c1beec1f/87615238520.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b21b795a5f---60695521266.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082451f3f6ed---kuguwasibibaxetedopilawe.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/ba5a6f0908736fc30d1f707b3fa80c45/vegivogeji.pdfIn PDF document text
- https://www.nuyew.academy/wp-content/plugins/super-forms/uploads/php/files/264df6864e45284becda7515e2f84237/8644978756.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/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=lexile+levels+guided+reading+level+converterPDF 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_off0000cf06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF06 | 5176 bytes |
SHA-256: f03e0d8c978e09ff5d1b3325ff72020fa5727cc49d1539339cb401f00d8d2a54 |
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font_01_sfnt_off0000e0ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0BA | 9972 bytes |
SHA-256: 3cf5e82457da1b2deaa9e5520a1e37f0fbe8648da4cc2772c9c05abbaf1fbf79 |
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