MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised CMS uploads and disposable hosting, indicative of a link farm designed to redirect users. ClamAV detected this as 'Pdf.Phishing.Trojan', and ML classifiers also flagged it as malicious. The presence of external URIs and link farm heuristics strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://ketchas.ru/uplcv?utm_term=processor+used+in+redmi+9+power
- http://ktai.lmg.jp/upload/file/56972484302.pdf
- http://prepearl.com/uploadsfile/bajeratelunulekopeguretaf.pdf
- https://refoca.cenacat.org/yiicms/ckfinder/userfiles/files/85928903952.pdf
- http://terralis.eu/catalogue_dynamique/file/84677048970.pdf
- http://interwork.sk/userfiles/file/475999713.pdf
- http://dietmoiquangle.com/webroot/img/files/wepabiseno.pdf
- http://urdu-hadith.com/survey/userfiles/files/tovudowuseru.pdf
- http://i-akparat.kz/ckfinder/userfiles/files/89094165297.pdf
- http://turnwealthy.com/ckfinder/userfiles/files/kifabeperitirukizoz.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1cee30417---30918222427.pdf
- https://postelezmasivu-olomouc.cz/ckfinder/userfiles/files/48758410519.pdf
- https://amrapalispot.com/userfiles/file/82007241894.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/f7411a48bc868489bcf0964ea94bd232/62814056292.pdf
- http://fitsiluet.cz/data/file/vadif.pdf
- http://zatacorp.com/upload/files/18620058431.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16142e9304b0d9---37792162636.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614806ad0027d---88410935790.pdf
- http://dejonghenico.be/sites/default/files/file/49905246903.pdf
- http://zhouzhuank.com/v15/Upload/file/202193144597980.pdf
- https://pastijptoto.com/contents/files/zekilejuxavobugepoz.pdf
- http://uralinteh.com/uploads/files/xerudi.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/773cb0f6187d1cf6d8339f06bf733482/diwijelawegidug.pdf
- https://classoft.ro/userfiles/file/1737695086.pdf
- http://veewood.com/file_media/file_image/file/kejowo.pdf
- 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_off0000b8cf.bin029e0aec799a763c9e4fe8be09a20a5c51e0b6519fa6098bce309896a3dcc388 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8CF | 18948 bytes |
font_01_sfnt_off0000e892.bindb3f0cab98cbbb464554e9c7202c2710b1b3665819900ef078d3b6b23bb79723 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE892 | 10724 bytes |
font_02_sfnt_off00010134.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10134 | 16792 bytes |
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