MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution scheme. The presence of external URI heuristics further supports the nature of the file as a gateway to other malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://vuadiemtayninh.com/hinhanh_fckeditor/file/wamuxefoj.pdf In PDF document text
- http://pillshop.ru/uimg/files/7592514929.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/ubf79ppdds7nqe8lv8ncjsviui/3035292736.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/sf5ubj59j9noaos2jtv36kke80/70865328933.pdfIn PDF document text
- https://deshpanday.com/ckfinder/userfiles/files/pikeseritenoxufisipemejak.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/pjqcn9ru8kioa98003tj7s00bk/57257246740.pdfIn PDF document text
- https://doctmcooper.com/userfiles/files/99071597978.pdfIn PDF document text
- http://sheilahancock.net/blogfck/file/77671863950.pdfIn PDF document text
- https://nocnepal.org.np/ckfinder/userfiles/files/dalagotunedokej.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed7bf18a1c---fefabumariwexejexuwixe.pdfIn PDF document text
- http://kahasat.cz/data/file/gegimefad.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6eb545ac7---konipodisumi.pdfIn PDF document text
- https://www.notusweb.com.br/ckeditor/ckfinder/userfiles/files/48774439393.pdfIn PDF document text
- http://fitsiluet.cz/data/file/nozusifigo.pdfIn PDF document text
- http://jingmingtai.com/filespath/files/20210906185920.pdfIn PDF document text
- http://dighakanchaninternational.com/FCKeditor/file/63851684522.pdfIn PDF document text
- http://radio-salsa.fr/php/rs/filesupload/file/wewun.pdfIn PDF document text
- http://ymmicro.com/files/files/7440542723.pdfIn PDF document text
- https://areicon.com/images/file/tasexuwu.pdfIn PDF document text
- https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/40660141381.pdfIn PDF document text
- http://atsrealtyvietnam.com/upload/files/xidafexavejo.pdfIn PDF document text
- https://biserica-izvorul-tamaduirii.ro/files/93846486363.pdfIn PDF document text
- http://saikunghouse.hk/userfiles/98165171939.pdfIn PDF document text
- https://monographie.com/ckfinder/userfiles/files/28469989483.pdfIn PDF document text
- https://krossi.ru/images/content/files/nagoxidipuvu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=red+wine+gif+funnyPDF 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_off0000dcc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D3 | 17388 bytes |
SHA-256: 44f8965cb9decb94af1438a37e7badb73ad42d48e6f7c031c2f3b4d0b3b4bc1c |
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font_02_sfnt_off00012220.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12220 | 10180 bytes |
SHA-256: 937e5b2e81d6a77d9ef03c3da45e676c4828b29453bcbdfcaec724e2cd885dbd |
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