MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The primary function appears to be redirecting users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://dataprint.ie/uploads/file/25096590777.pdf
- https://kaowei.tw/image/files/20210724_111951.pdf
- https://irisapp.cn/uploadfiles/fckeditor/20210803/file/16279487081848.pdf
- https://avenue102.com/uploads/file/nosojimafezinedejugefal.pdf
- http://adance0112.com/upfile/editor/file/weboxeseraxike.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/hogjfdk62fpj7l4clrfvp17i42/golotaz.pdf
- https://gitedu.in/ckfinder/userfiles/files/7933782155.pdf
- https://foundryindia.org/userfiles/file/pakozojegaxu.pdf
- http://showplus.ae/userfiles/files/ximufoja.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5014e1e70---mupivodexojepotulisiw.pdf
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f434aaf136c---45421587689.pdf
- https://ppuhperspektywa.pl/files/edytor/file/47494267938.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c284999fc7b---vasoxofune.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c6777577df6---lovapemezojerupodabenu.pdf
- https://0900107678.com/upload/file/75828203816.pdf
- http://epoxidice.ro/mm/file/libapefisemowagoderagiv.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607449224290f---57176328412.pdf
- http://cbgnfinance.com/userfiles/file/puvomijus.pdf
- http://www.peritaonline.es/ckfinder/userfiles/files/22693228343.pdf
- http://stadion-zarya.ru/ckfinder/userfiles/files/77284236687.pdf
- http://hoangminhphatkorea.com/webroot/img/files/69816155476.pdf
- http://pahsclassof2005.com/clients/d/d6/d61c4c031b0f3af13d3e88110ef3a3e1/File/linedosojorexogirinemo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=miniature+wire+haired+dachshund+life+expectancy
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bffb.bin4fb6b071c02fc8dde1c9c31ef8fc8be86b7c68efcbe77d2212ce7290887a0576 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFFB | 16192 bytes |
font_01_sfnt_off0000e94f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE94F | 16792 bytes |
font_02_sfnt_off00010166.bineeafc115bd942218aba66b6cfe6903a2c5916a7e58aaf90aa09c90956bdb29a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10166 | 10992 bytes |
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