MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm heuristic, indicating it directs users to multiple external websites. Several of these URLs point to compromised CMS upload directories or use disposable hosting, suggesting a malicious intent to distribute further malware or engage in SEO poisoning. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 5
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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://madame-tina.com/ckfinder/userfiles/files/80471085463.pdf In PDF document text
- https://fullmagicweekend.com/ckfinder/userfiles/files/xugezonujuwapuvofeg.pdfIn PDF document text
- http://twtipa.com/upfile/files/2021/09/12/51343592620.pdfIn PDF document text
- http://ilovehikari.com/uploads/files/tezosedogitiwikonenuse.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/11355691367.pdfIn PDF document text
- http://boilerservis.ru/uploads/files/pijiniselogesuzetuwikulo.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1614181aa899f6---vuzupazafudel.pdfIn PDF document text
- http://sherwoodchambergolf.org/ckfinder/userfiles/files/17523554697.pdfIn PDF document text
- http://yyfxsw.com/upload/files/rutod.pdfIn PDF document text
- http://modamoda.nl/uploads/pic_lib/file/13408062519.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/886def9457d485b48caf9693d37a1e0a/fiwojareribaf.pdfIn PDF document text
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/26872947236.pdfIn PDF document text
- https://topconta.ro/userfiles/file/16080754147.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2ef29850d---20948528139.pdfIn PDF document text
- http://architectureanddesign.it/userfiles/files/kedisorinegalepudisafu.pdfIn PDF document text
- https://branchennachweis.eu/userfiles/file/seziwugojawolo.pdfIn PDF document text
- http://nabisori.com/userfiles/file/lejexasujazivutawomaku.pdfIn PDF document text
- https://technoarc.net/userfiles/file/1276995636.pdfIn PDF document text
- https://amursvoidom.ru/media/files/34543876274.pdfIn PDF document text
- http://tydafa.com/dafa/uploadfiles/20210917062518.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/febiradasukuzo.pdfIn PDF document text
- http://shimamura-mail-order.com/userfiles/file/tugaxa.pdfIn PDF document text
- http://tlumacz-lipno.pl/pdrzewiecki/files/1586420807.pdfIn PDF document text
- http://wasserentkalkung.at/ckfinder/userfiles/files/91367502547.pdfIn PDF document text
- https://nazrabilisim.com/calisma2/files/uploads/romumokov.pdfIn PDF document text
- http://pelejas.com/IMAGENS/CKFINDER/files/wuwozamanib.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=brian+lara+cricket+2007+ppssppPDF 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_off0000b3b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cbcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBCC | 10684 bytes |
SHA-256: 266545003f4081e94d3c2d81f145d07995dc6eecd694b17554c30aeae67ce866 |
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font_02_sfnt_off0000e492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE492 | 15276 bytes |
SHA-256: 1128281b47ec3bc3b460b0da35b8f70d6fd0bad3b38bd890df293aac7b2169e3 |
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