MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress sites, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://seoulsquare.com/userfiles/file/64070470988.pdf In PDF document text
- https://vargyasnekonyveles.hu/kepek/other/file/44613820892.pdfIn PDF document text
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0d12c15aa---39964056317.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/ff623bf2d1ad76eae7f7286833346050/23837081092.pdfIn PDF document text
- http://msnladyboy.com/ckfinder/userfiles/files/86858354231.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f50a2aa92e---31924037923.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f2b85c676---37702917534.pdfIn PDF document text
- http://josepholszowka.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/80553696166.pdfIn PDF document text
- http://15889163.com/ckupload/files/lisabilub.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/68223560910.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/7ccf44887e084f84f77dd0feed6c00ae/5288350426.pdfIn PDF document text
- http://otohondamientay.com/upload/files/99465813727.pdfIn PDF document text
- https://history.tlshaa.org.tw/ckfinder/userfiles/files/ralisazexu.pdfIn PDF document text
- http://gancza.pl/userfiles/file/kafunurasegib.pdfIn PDF document text
- https://www.auto-ecole-rive-droite.fr/ckfinder/userfiles/files/zelun.pdfIn PDF document text
- https://feldmann-spedition.de/pics/userfiles/file/savutavitezij.pdfIn PDF document text
- https://keluargamimpi.com/contents//files/73609207656.pdfIn PDF document text
- https://somogyplusz.hu/files/wedolejolo.pdfIn PDF document text
- http://diamantina-joaillerie.com/ckfinder/userfiles/files/togajef.pdfIn PDF document text
- https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/11db8859bbc7d26e9e05cefbd3c09713/50691352426.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/4r0ldbeq0s2c1gg12enm0ucens/sopizad.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/siriwun.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=wedding+budget+planner+pdfPDF 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_off0000ea0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA0D | 10620 bytes |
SHA-256: dc56f8447c27e12180ca9cbbee73368b84c55dfa5d1bc07731735ab32692e663 |
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font_01_sfnt_off000101ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A11 | 18192 bytes |
SHA-256: bf93c5b886881183be834b2f8934823c89f6db6e8eea1105c9347d2ab0df6b92 |
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