MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to numerous compromised websites, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. The file's structure and numerous external links are consistent with a malicious PDF designed to lure users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160704c13046e9---jirut.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a5168a46225---fujumuxinebutevusoxikaf.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/1a3ab1bb4d56ba83139a0e52dda451a7/kibozosinusunibawotun.pdf
- http://pusancard.com/userData/board/file/35604358254.pdf
- http://rsst77.ru/upload/files/ropewosajo.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/35caddf73b29fe6df702c35d1cf15350/89823869954.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/95f06edc18b25f09922c3999a9e0c55d/92210039694.pdf
- http://21cedu.com/pds/userfiles/files/56997049583.pdf
- https://dailyhondaotomientay.com/upload/files/wevug.pdf
- http://thunderstar.cn/userfiles/file/20210504050601842530864.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160aa1a95b21ea---nuzogonetovafitesatuwam.pdf
- https://cafesca.mx/ckfinder/userfiles/files/17467928997.pdf
- http://ctkupavna.ru/upload/file/torupo.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/189bbc145026c6cd27fc8920b4dd8893/kanorerividajuzusezum.pdf
- http://ranahytta.com/ckfinder/userfiles/files/6275511480.pdf
- https://luathoanghuy.com/uploads/files/kuzulikevakasidif.pdf
- http://grandchainfamilyfoundation.org/clients/85333/File/95765764442.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a06f5c9dab---nosepugopapeno.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a72cb0f5c9---44566966606.pdf
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160780f6fbc922---depozozazaseta.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160986396374aa---36433801792.pdf
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7457da491d---bapawiwave.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/680a94fd96b68a2803a93fb45b67dfab/xokixolidepe.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/9904ab87a210e29fc61ac4e5b075c72b/83419045501.pdf
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/eac52401da2673353a3fa6db0fb221d1/raruwebiruwukilebozuzivu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=a+dead+metaphor+is+one+that+is
- 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_off0000ef24.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF24 | 16792 bytes |
font_01_sfnt_off0001073b.bin07de0587906c816253d41f4f5f7f7ae95c1ba9f84943ff08449be1cf72061f39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073B | 10592 bytes |
font_02_sfnt_off00011f36.bin787d1f205b5e52ff8410cd9100e5d8dc55035c2985ac6ccf04a4c4b343d04670 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F36 | 17532 bytes |
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