MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the nature of the links and the heuristic firings strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://brmxn.com/userfiles/file/20210621070036_x4ygo9.pdf In PDF document text
- https://toptenstudy.com/upload/files/BodyFile__60B1FCC1E83A1.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/64faa5139c395165ee2cf1a688de1e4a/90869091635.pdfIn PDF document text
- http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca036e6048---lijizabumixumufoxedefafed.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb1eda1adc---kiririlapobawovabotazota.pdfIn PDF document text
- http://wksx.top/images/userfiles/file/51697452766.pdfIn PDF document text
- http://amuseonline.com/absite/userfiles/file/5250033534.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/rulusokavubitofalojabibi.pdfIn PDF document text
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/5b96ae6ef5a977f4589a8b5782576589/7899139737.pdfIn PDF document text
- https://atl-50.com/files/file/dokokogoze.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/b6f75dcbff865976fb8582fb8e31b9e5/34239224561.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/6181dd5200d3bd0ac62b52c03ae5bddc/rogonokudif.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/8e596cc15e39924e6137b8fd3e0103df/75312428318.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbb1f899537---45458081188.pdfIn PDF document text
- http://etpatatietpatata.com/userfiles/files/dagotidusazewusapezas.pdfIn PDF document text
- http://shqinze.net/admin/upimg/file///34563927116.pdfIn PDF document text
- https://tosto.cl/ckfinder/userfiles/files/22958225876.pdfIn PDF document text
- http://keyflounge.nl/userfiles/file/giwuji.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160748d342a96d---40353398015.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/611353242fe703156f674259d4523117/4216121701.pdfIn PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/3b59529054f51d1bd0edd1e6f00cb437/futibotagetixures.pdfIn PDF document text
- https://harkakotony.hu/UserFiles/file/39502332094.pdfIn PDF document text
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c52a962a2---7458790626.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/d78008d1a98d338d9948104c7f3f4ba6/33628676972.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/3jc5m47pre0e3b2q7dur17guli/27658640749.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=bedwars+map+for+mcpePDF 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_off0000da52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA52 | 17672 bytes |
SHA-256: f7fcc78023dae86902b1eaa4ff8d17620031d4a1a4f2bc8f0a9ce666d6baf154 |
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font_01_sfnt_off0001083e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1083E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012055.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12055 | 10580 bytes |
SHA-256: 27ab8bc5769cd8be10485de2dde449498a214c19ebae86af744587f37982fcfc |
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