MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous external URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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://oniceh.ru/uplcv?utm_term=ejercicios+de+proporcionalidad+directa+e+inversa+resueltos+pdf+2+eso PDF link annotation
- http://devveb.net/userfiles/file/14996208931.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/2336c84c209dae16692d9670be991bf0/20886177616.pdfIn PDF document text
- http://vstarmp.cn/upload/files/20210710_142116.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d759f45faa6---97981897170.pdfIn PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/dbc92ab46eb28811b63fb31e5f13497c/53433096715.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160972b5ce42b3---gewodu.pdfIn PDF document text
- http://nfraccon.org/userfiles/file/giwokuriwogalijilesu.pdfIn PDF document text
- http://sakaryakasaplarodasi.org/userfiles/file/sadetunaguzomenelo.pdfIn PDF document text
- http://koreanhotpot.com/uploads/files/nitejifavadizemizonikiri.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/0719346bc4653abd524b31da8242d880/7213114635.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160750100a15f1---91769285082.pdfIn PDF document text
- http://hollywoodterrace.org/clients/863344/File/84277282454.pdfIn PDF document text
- http://consulcongress.it/uploads/assets/file/75666653109.pdfIn PDF document text
- http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/54370086537.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/781dde33a887e9f66fa4827e56b582e7/7462319790.pdfIn PDF document text
- http://kaus21.com/userData/board/file/zefitaran.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/df1fcd825ead5bd9ca01bb576f83f15f/fadowewitevi.pdfIn PDF document text
- http://ciccioinpentola.com/userfiles/files/36057815671.pdfIn PDF document text
- http://twtipa.com/upfile/files/2021/08/23/17796065314.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6880132885---10453773766.pdfIn PDF document text
- https://alrashed-alsaleh.com/userfiles/files/1965843508.pdfIn PDF document text
- https://jmtours.co/aym_image/files/31028710719.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a40fc57613f---korilat.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/2d2umaaauia4jeo23jchllpdpd/wujuwijixedokuvexiri.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/1005148318.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/60344202434.pdfIn 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f37a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF37A | 11012 bytes |
SHA-256: c636b8761b0280cd68e0b0fdaaab730acdcfe8a9c5bb1b8d354d766c4943b9bd |
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font_01_sfnt_off00010d37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D37 | 19944 bytes |
SHA-256: 2ba0b21bbcdce552115f9feb3ceaf6a38c57b2197ce45a1eeddafb97fec4fa07 |
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font_02_sfnt_off0001402f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1402F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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