MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting it functions as a link farm. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with phishing or SEO manipulation tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160764e5f68143---22304938460.pdf In PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/80022722451.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160be30ee7958f---99206083563.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160911843c5d28---71169696606.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-5-1/20210501050850223208.pdfIn PDF document text
- http://wallawallahighschool1968.org/clients/75819/File/debujojizudupu.pdfIn PDF document text
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/2997db3fff9dfbd34fbfb223665b0b06/roxirizuvoguwija.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/d624699565be4a15ab322657103d64e8/begivokaxalapog.pdfIn PDF document text
- http://re-view.online/fckFiles/file/35809894532.pdfIn PDF document text
- https://flyags.com/editorResources/file/%5C/budupivozelifuged.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/549a1c07b80d28b63f77b6cfafe5d193/sitokuma.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16075bca6ec129---17095461023.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/ba3044d19b4274500f8eb109753c8d7f/9295980988.pdfIn PDF document text
- http://agiusfuneraldirectors.com/files/file/zozakaz.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/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=average+hourly+wage+in+vietnamPDF 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001e8e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E8E5 | 12692 bytes |
SHA-256: 352ebd6a023030aa08274bf3ea13baeb276b303de6c86a48c7f1bda34906fa99 |
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font_01_sfnt_off00021226.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21226 | 5164 bytes |
SHA-256: f595842493f396a60ed2e8994cae07b192cda61595bd4adfde38f0500adfe062 |
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font_02_sfnt_off000223ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x223AC | 21624 bytes |
SHA-256: 1ebd2749a1110a6091e3a74e82de3deec039071171ca013af8b0e4f127c74cce |
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font_03_sfnt_off00025f89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25F89 | 16060 bytes |
SHA-256: 2173a1880e9f774f759393e7d0d28dda91d04d8a3eae6bea41b822770b343b90 |
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