MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links to potentially compromised WordPress sites, suggesting a link farm used for distributing malicious content or phishing. While no scripts were directly extracted, the structure and heuristics point towards 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-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 http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607321deb5791---jozit.pdf In PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/7f4h0omicvlqshnk85qruqmac7/pugetulotoborerevasitid.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/s0ede29t9c2m3pmfn5tsmp5ng2/74395780165.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/1b061115c6f40e0a125dbff3ce6287b6/93740324388.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d42ded0ea8---nuviji.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/fa4a61a6736c910323043746fbf448a3/5057239950.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/0c65bd44dc0259e21b15fd6b92f41392/66656511093.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7bba80bea---begubapij.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0fe36647c---kiraxim.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/4ced879fc77573743940cd181a22d244/40466616550.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2f6664d4b---83788040007.pdfIn PDF document text
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/f51bdf1bf541ef726c9744453cd070fe/30170750826.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/deeef58df4e4db44bdba7a45a4158aec/kuvugubadipatapabibubuf.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/qj93dr27gd9orqrvis70pva682/70217460819.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f23f2b195a---refupivujovimobopo.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/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=covering+letter+format+for+ugc+net+certificatePDF 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_off0000dd2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD2A | 4988 bytes |
SHA-256: 1f11c9b6c013715ddfa137e2eed647f9bc5bf97d9e05e91dedda9e283bfd4f7b |
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font_01_sfnt_off0000ee13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE13 | 9992 bytes |
SHA-256: f82259011e1caec3593ba350b17371a28eb07745cf2cd153a86a580b4f5c67fe |
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