MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting it functions as a link farm to redirect users to malicious sites. The PDF structure and embedded links are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://shethof.ch/cgi-bin/dynamisch/file/midemekukiponogaro.pdf
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608999a44c548---64492262251.pdf
- https://nadamasristorante.it/file/kewavonixeponagiki.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7bcff3287d---bovuxevovememe.pdf
- https://sedefartphotography.com/resimler/files/zeruradorujudo.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/da3965dd000c954069d62afe125c2d2c/pejefukesi.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a501a810644---bixil.pdf
- http://thunderstar.cn/userfiles/file/20210622165622669125636.pdf
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/7tqt7glbnnidli6toc0338daro/fefet.pdf
- http://dreiseengrundschule.de/files/30187217091.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e217a9b8acd---tokeferifunajevumurerofi.pdf
- http://iuf.kr/pds_down/files/55595842376.pdf
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/a5a4ad162cf5ff136d7e5fe605eea7b6/lufitonorepawidiz.pdf
- http://karthikeyanjayaram.com/userfiles/file/11670178859.pdf
- http://abnicum.com/files/file/52257848496.pdf
- http://daonshop.com/files/fckeditor/file/lezetosanu.pdf
- https://mokhalasati.com/userfiles/files/35842062712.pdf
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a0dbe47aa0f---virofejiwojesubutirasevob.pdf
- http://henrycrawfordreunion.com/clients/1/19/1929e20d1ffebcad6d8b2a659e9c170d/File/94404019654.pdf
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/034b9ca785d609dc0d546e7695cbd54b/53641552336.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e9510bc9f---jafemedezivexagapo.pdf
- https://ochronaskory.pl/pliki_user/File/11190782157.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a816d3afebf---jomotimumepatedumaliv.pdf
- https://baobihungphu.com/media/ftp/file/74653181491.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=manual+del+usuario+chery+qq+en+espa%C3%B1ol
- 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_off0000f85b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF85B | 16792 bytes |
font_01_sfnt_off00011072.bin57cdf820106d94419d4080acce6033ff499a639292959ec4bb3fc2922ded58be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11072 | 11072 bytes |
font_02_sfnt_off000129a8.bin20c48465c9bc132551ed0f41f1d378479b09dcef91b1d01691fc9bcfa148714f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129A8 | 18872 bytes |
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