MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and the overall heuristic profile indicate an attempt to lead the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://pcccmiennam.com/media/ftp/file/14436192225.pdf In PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134be7e14280---gepelexamokuk.pdfIn PDF document text
- http://www.css-jp.com/upfile/files/2021/09/30/56473971075.pdfIn PDF document text
- http://www.donboscovizag.org/images/files/69952740635.pdfIn PDF document text
- https://netwindowvn.com/uploads/userfiles/file/86181186381.pdfIn PDF document text
- http://vhktn.at/images/content/files/guxuk.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/161344183273b8---93252645362.pdfIn PDF document text
- https://tranhtreo.com/images/ckeditor/files/10606746376.pdfIn PDF document text
- http://schroniskoorzechowce.pl/ckfinder/userfiles/files/86972579238.pdfIn PDF document text
- http://doanhnhangiaophanvinh.com/images/files/boxijatogimuwig.pdfIn PDF document text
- http://finemetal-cn.com/upload/files/96381226047.pdfIn PDF document text
- http://zdravi-kromeriz.cz/files/file/1580540971.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328a9b31bf1---xidazuramavovomuf.pdfIn PDF document text
- http://stonestudio.pl/files/upload/file/tulaki.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/d055150288296482a951f7e59eaba117/pemil.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/f446fedfacbda1473859459c9efd998f/banevinumed.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161318f480438c---17576402920.pdfIn PDF document text
- http://liluby.com/upload/file/zagemunufajebijon.pdfIn PDF document text
- http://phuongdonggolf.vn/app/webroot/uploads/files/9825381605.pdfIn PDF document text
- http://alphasigmaoverseas.com/userfiles/file/guwotujokikasopodope.pdfIn PDF document text
- http://saigonradio.com/userfiles/file/5758693384.pdfIn PDF document text
- http://evpltravel.com/xv_image/file/81780660814.pdfIn PDF document text
- https://www.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/67010835204.pdfIn PDF document text
- https://nguoixunghekiev.vn/userfiles/file/5639251066.pdfIn PDF document text
- https://firsatoyun.com/calisma2/files/uploads/luwagerodeno.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=pdf+file+not+opening+in+windows+7PDF 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_off0000b3de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3DE | 15160 bytes |
SHA-256: c22b26ea35598de94b118df175ccf1082c700b892f5c29e71e4f80855aa8a27f |
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font_01_sfnt_off0000da26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA26 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f23d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF23D | 10548 bytes |
SHA-256: 7e23d65e492e5a001c4bd5978de774ea8561e3b9e94f9e0ef8abebec43b49a4b |
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