MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://labonguyenhoang.com/img-chamthi/files/mikutorukikunojivaro.pdf In PDF document text
- http://rogo-rotterdam.nl/files/20955335282.pdfIn PDF document text
- http://thuonghieutoancau.vn/uploads/files/39819700299.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160d3b062c9bb7---viwirejotokuvujuxakowilo.pdfIn PDF document text
- http://760_709737661.mildmedia-dev.eu/uploads/userfiles/files/zasawomedo.pdfIn PDF document text
- https://rumahbaruku.com/contents/files/58878520437.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/362394020.pdfIn PDF document text
- http://stavclearing.ru/upload/files/93447120078.pdfIn PDF document text
- https://hitourkorea.com/FileData/ckfinder/files/20210726_F237CDB9E2BA81D2.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/e3be3aa35c7f94f29cf56da09e910114/28627833429.pdfIn PDF document text
- http://batiment-tunisie.com/userfiles/file/6218009214.pdfIn PDF document text
- http://vervesimuhub.com/userfiles/file/pipujuregalisejetexepan.pdfIn PDF document text
- http://issaproject.com/app/views/panel/ckfinder/userfiles/files/66590426865.pdfIn PDF document text
- http://animationcoach.com/userfiles/file/33447751185.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/54ft5b6v310r6196c1kppsj4kh/tejojijukeninazasu.pdfIn PDF document text
- https://schilderlesvakantie.nl/ckfinder/userfiles/files/16697952019.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab89e38be8c---13813069096.pdfIn PDF document text
- https://inprovitmexico.com/ckfinder/userfiles/files/gositurazozizo.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/b4rpvr1ibc105tc6b8cqllc6fv/31154439629.pdfIn PDF document text
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/g6dasna67lr8erq43bspoheo8i/vevufubemujobelimej.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/48670144745.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/1343296998.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=multiplication+games+printable+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_off0000bf48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF48 | 11196 bytes |
SHA-256: f26acd282c7ad465faee4d81378867621c7cf765fd8ba8976cff952f91104037 |
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font_01_sfnt_off0000d90e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD90E | 16892 bytes |
SHA-256: 1dd92befeb2ab61a267c6cb8fd4404664014a52b9111557e07e2752334f6d706 |
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font_02_sfnt_off00010453.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10453 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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