MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The document body, though heavily obfuscated, contains references to 'karaoke' and 'wkhtmltopdf', which appear to be decoys for malicious links.
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://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c66e6a3db3---gepikojinefedagexivur.pdf In PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/ac9997ce537954b440d159e6ebdd374b/70879925338.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070874ebba5d---77494213665.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756a277fdca---2068639723.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/fa1c6935fdc2084d7435f1c129ccf536/sanedusuzadax.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/f04abbfebda99442837e8d2802cf3be1/34917504828.pdfIn PDF document text
- https://maplesservice.com/wp-content/plugins/super-forms/uploads/php/files/144984de728f722e29d3734272c518ad/petikonotorolibopa.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/glr23l6bo03jfeh46qfqgp9eqj/lexazov.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/g477klleskfuf9pe3nvi703fne/9186410586.pdfIn PDF document text
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071b1f76b441---wapagudivomobofe.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/b4177ca04eb23c96f6b95a5a3c4b9636/58171969472.pdfIn PDF document text
- https://africanresearchcenter.com/userfiles/file/megalafapawifevununodaxux.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/abc4f2f54456325c20b24c1b6c86495f/78441240972.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/u6to0utoj2f2q7uls99khk2mhh/70484728651.pdfIn PDF document text
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771fb3802ca---20269549295.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/il8ls3lb1dl4ijfa8lt2i8vme4/13201497020.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/5510ca0d8669bc8c85275b1ca3f74992/xavozovegarug.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=can%2527+t+help+falling+in+love+karaokePDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC62 | 4956 bytes |
SHA-256: 9afcae5cdba2eac292aa319d183ec15ce720ab0e97f4ad7b16ceda23a992c631 |
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font_01_sfnt_off0000dd49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD49 | 10368 bytes |
SHA-256: 1bab19509f994f1770cf06ed4376b4a8ad76f712d2b202bf97d51e65cda46c9c |
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font_02_sfnt_off000100a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100A5 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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