MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating it's a link farm hosted on compromised WordPress sites, designed to redirect users to other malicious URLs. ClamAV and ML classifiers confirm its malicious nature, specifically flagging it as phishing-related. The primary attack pattern involves luring users through a malicious document to external, compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/da51637b6780b2b086b88afea192bd5c/vekakekuratigebutuvutepaw.pdf
- https://goooinggroup.com/userfiles/files/20210704_072612.pdf
- https://shibbirs.com/media/files/vasitibasigesupolo.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/7dd377db5d59bf108ce1b091d298b3f5/59297910665.pdf
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/8fe6b0284fca1ef30a3079090ada60f7/22397237297.pdf
- http://grandp.ru/userfiles/file/191598540.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6a0186894---78932374310.pdf
- https://bawaniint.com/ckfinder/userfiles/files/91813189527.pdf
- https://yp05.com/_UploadFile/Images/file/fosogu.pdf
- http://fujavietnam.com/images/Download/dineriviniripoxovumekuko.pdf
- http://hakkabrothers.com/userfiles/file///16678223087.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb19344ee8---50754271038.pdf
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/44d9511f8bc26c603f907ec8063c7765/25521625324.pdf
- https://texigo.tw/upfile/files/2021/08/18/debabadinofibigaxodiwit.pdf
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/1b6bbbb8a27e8fe2c9c79d75fa3a3a69/29244326720.pdf
- https://iiml-pgpsm.in/ckfinder/uploads/userfiles/files/gezuromamub.pdf
- https://pointswestliving.com/ckfinder/userfiles/files/11142771132.pdf
- http://2013.letnifestiwal.pl/ckfinder/userfiles/files/jowibu.pdf
- http://cephedanismani.com/images/pages/file/57056263175.pdf
- http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/35603573130.pdf
- https://oriontradecom.com/ckfinder/userfiles/files/zelokotumokeweji.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/juf94166honooaphpujjngsld3/24590054978.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085659587175---xelirudiloxule.pdf
- https://aspaeng.com/files/image/files/xubafivonolab.pdf
- http://vdadanang.vn/app/webroot/assets/files/83799221852.pdf
- http://marcobernini.it/userfiles/files/lizufupitenaxosivat.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=k%C3%ADnh+th%C3%A1nh+t%C3%B4ng+%C4%91%E1%BB%93+pdf
- 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_off0000d2df.bin132e9b4eef1ec5d1d320a87e19ecbd0f329924937e812604ba3f9f83818d31a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2DF | 10660 bytes |
font_01_sfnt_off0000ea6a.bin6eb5d47c941e729ec1777856972a50ce0e36ba409c805521129e2afefb1a5de3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA6A | 31164 bytes |
font_02_sfnt_off000126a6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126A6 | 16792 bytes |
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