MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm, suggesting a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains metadata related to wkhtmltopdf, which could be used to disguise malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://wastran.ru/uplcv?utm_term=questions+to+ask+while+shadowing PDF link annotation
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/9bbc5d7e05ce702d1c2fae55329cfb5b/87594924433.pdfIn PDF document text
- https://ktmcollege.org/public_html/userfiles/file/96309808240.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/cb1b63f41d120697d6ad868d353f1975/puvupez.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3dc69add5---basakunizisuronenamubo.pdfIn PDF document text
- http://chatfieldfarms101.com/userimages/8120074042.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078b4c2a6cd3---99290256502.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/26851256861.pdfIn PDF document text
- http://btc-ltd.com/upload/file/4841834142.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/ea75af1c14b25d5110fdb59d9466149d/43768304138.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/2e3b52906dfbc91e2385c1abad74d490/jedamunudiwidoso.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16085d8b840a02---16624589261.pdfIn PDF document text
- https://dimensioninteractive.com/WYSIWYGImage/file/zazegizaburazew.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3db0c8d10---74819239314.pdfIn PDF document text
- http://pincailight.com/zk/UploadFile/file/2021060616501373499.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/a836d3452f0ce554f70aa064f8c846e8/97005471095.pdfIn PDF document text
- http://nappsa.org/userfiles/file/livikolegexuzejeruf.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609685f29030e---wegufaxudukegovavoxowi.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_off0000e4e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4E6 | 5208 bytes |
SHA-256: f4c7ae2561a2c441e545b11463c67bcbe92c56bcc69b5f09fe87777749bd3b69 |
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font_01_sfnt_off0000f6b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6B9 | 10164 bytes |
SHA-256: 79b4f2f1316221768fb66afc5b0c97798d11a5a46ae3603b5b3d16604f581165 |
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