MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to disposable hosting or compromised CMS uploads, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly suggest it's part of a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/ee376bebaa88c87fc5809a641179462e/6998560057.pdf In PDF document text
- http://izeninfo.net/admin/upload/files/93284850692.pdfIn PDF document text
- http://werkkledingverkoop.nl/images/docman/files/12460110617.pdfIn PDF document text
- https://mcsfood.com/images/file/makagilodevoxupamozalo.pdfIn PDF document text
- https://qfse.co/images/uploaded_files/ckfinder/files/1629062934_f759dfbce1.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107e89f5704c---jabitokojegefuk.pdfIn PDF document text
- http://ingenermarket.ru/userfiles/28491182429.pdfIn PDF document text
- http://tajesink.com/Uploadfiles/files/92170189394.pdfIn PDF document text
- https://tortugafilms.ca/adminfiles/file/xejebavekewexaz.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c97845d1156---gapirixetematopuwe.pdfIn PDF document text
- http://kmkonsult.cz/userfiles/file/78306238546.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/a00005ab735c348049eeade1247e572b/tofetomeviruzevisozafozes.pdfIn PDF document text
- http://caogenzhiben.com/filespath/files/20210821141224.pdfIn PDF document text
- https://leavingcare3plus.ch/userfiles/files/bujeg.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab534344b5a---pukixizotu.pdfIn PDF document text
- http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/jenedakuzabazedorofat.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/11295252412.pdfIn PDF document text
- http://atmaircenter.com/lb/userfiles/files/4086553452.pdfIn PDF document text
- http://afslab.asia/upload/files/bokokijitagu.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608252b5dd9ef---gavusap.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/40264426175.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c67f07bc2c---63249498068.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/oesul32tgj5uu85rohu7l68nca/6013406510.pdfIn PDF document text
- https://salwangurugram.com/files/deputizivusexemifunudilam.pdfIn PDF document text
- http://linkingpeople.info/userfiles/file/xibudube.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=calculus+math+problems+pdfPDF 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://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_off0000b625.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB625 | 10960 bytes |
SHA-256: a97ecf8739cedb6d780c5f8f1d99e98f2e7753400d7c0c06829a2daed0af14aa |
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font_01_sfnt_off0000cf5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF5E | 15684 bytes |
SHA-256: 4885d9a4f7b612bfd409d6f7a5ec723e354bc8af0f3dd9ed0fba97e804fcedea |
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font_02_sfnt_off0000f707.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF707 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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