MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file is identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The document body, though heavily obfuscated, appears to be a lure related to an educational workbook, likely intended to trick users into downloading a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://huntic.ru/uplcv?utm_term=family+and+friends+2+workbook+2nd+edition+pdf PDF link annotation
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/8c4ef53ed82408aecaabaf646253adc5/pazef.pdfIn PDF document text
- http://mppscstudy.com/admin/usercontent/file/55861920278.pdfIn PDF document text
- https://webmenuplus.com/images/file/xukenatojidagag.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/lkhkkh45a6pknndmrrc8s3jv55/tasivodojifadopema.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/11d3ded4c87aaecc0bca9406c46ddc73/18743789048.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b71da6277df---64323072826.pdfIn PDF document text
- http://gyobel.itpublic/file/xumudosimikaf.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/18fldqrie2snitvb7gqn8vk8pv/rizuxatupuduzurula.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16083604c7b385---82434766462.pdfIn PDF document text
- http://xn--49s538bo8ux8c.net/userfiles/file/98323378730.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/ca9357b80edaa763dade9dfe5649ac70/sikasom.pdfIn PDF document text
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/21b6ff176ef7dff9b9d548fd8c1b800a/25554255313.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2658969b8b---9707725844.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160b139808a68a---mosagomujitu.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/ndk4jd6a1it7f44of0eeo5jhip/7240950652.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_off0000c437.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC437 | 5672 bytes |
SHA-256: 6211d07295570afc7beb787944f8f0139f13fce595cf4d4e702bacc8f886a3fb |
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font_01_sfnt_off0000d78a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD78A | 16080 bytes |
SHA-256: 8e4bc52ac9ac880abc6716c25abc523e20c8cbb21e6d57564bc576a913dd1dba |
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