MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs, many pointing to compromised WordPress sites or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were extracted, the structure and URL patterns are consistent with a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://globalbizkorea.com/userData/board/file/85285549870.pdf In PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/jq2spk6uv3off07ucmtfhdn48r/bosevakugub.pdfIn PDF document text
- http://handgun.ee/media/file/kimemelupodinusotujujefi.pdfIn PDF document text
- https://phuketwebstudio.com/ckfinder/userfiles/files/23607768758.pdfIn PDF document text
- http://slovbau.sk/test/userfiles/file/68664679507.pdfIn PDF document text
- https://gullyracing.it/admin/ckfinder/userfiles/files/poseturototuvik.pdfIn PDF document text
- http://sprinter-lab.ru/content/File/79438849569.pdfIn PDF document text
- http://dodogs.ru/sites/default/files/file/rufer.pdfIn PDF document text
- http://nationalcoopadvisors.com/userfiles/files/11321427225.pdfIn PDF document text
- http://tyextractor.com/d/files/sasogusifavetafu.pdfIn PDF document text
- https://harteron.ee/userfiles/file/dedovokefetisokuze.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/c96c7ca398fa349ccc247738217590a0/49950990685.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/1c033cf6d27292e466ccfb28e8709aff/20310001085.pdfIn PDF document text
- http://vnationwide.com/userfiles/files/67830252989.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161410fa36a3e4---3663310816.pdfIn PDF document text
- http://szyldkj.com/luodan/images/userfiles/file/63796560218.pdfIn PDF document text
- http://medicalproduct.hu/images/files/xojinode.pdfIn PDF document text
- http://divapharma.com/uploaded/file/wemofemodozize.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8f2abaa74---mejinemewexomoti.pdfIn PDF document text
- http://i-daa-wl.de/userfiles/38245877224.pdfIn PDF document text
- https://dafelia.com/files/30024021605.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/56870708854.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=world+men%27s+day+2021PDF 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_off0000c234.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC234 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA4B | 10652 bytes |
SHA-256: 08492fdd5f35c1e7eba76629a2b6808e17eaeef43dc7ba61523dcc27752a3ba2 |
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font_02_sfnt_off0000f2d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2D5 | 18792 bytes |
SHA-256: 722469ca7b81a6a6271940c17e25cf4fa9639abcb58f79634683f76d10c7c41a |
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