MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous compromised WordPress sites, which in turn host other malicious PDFs. This suggests a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to distributing further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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 https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/e4c76940f1785f979c5f39797f4ef932/muwifanezu.pdf
- https://binarbaidtrading.com/public_html/userfiles/file/tokokidudivukirekiso.pdf
- https://hagakure.by/upload/editor/files/44227530111.pdf
- http://amuseonline.com/absite/userfiles/file/60017682093.pdf
- https://chaletsuenodesol.de/files/56841667820.pdf
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/773dd95e72a8f9f8d633762b96f98880/70927825770.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7e6f48bfc---53453805807.pdf
- http://ubest.ru/images/file/zizupevafet.pdf
- http://summithigh75.com/clients/867147/File/86470280825.pdf
- http://xn--d1achljw0b.xn--p1ai/content/upload/316735977.pdf
- http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/3298717246.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c6c65516461---50606363025.pdf
- http://gillsandgeckos.com/userfiles/file/lamumivanejirefezemakaz.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160733c27125ec---xovokobalovo.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ab2bb5b14---koxujoxeme.pdf
- http://ayurvedicclinic.org/userfiles/file/27746322421.pdf
- http://belgium-ex.com/images/blog//file/jerakaduvemefepoturitoj.pdf
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608192f6aa42b---jijuwipabexulugiporinof.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077d98f6017c---62901945313.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b9bfa072d65---78229743135.pdf
- http://machinegroup.ru/img/outer/files/lebopewuneka.pdf
- http://exmar.it/foto_fck/file/lurefu.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607846eb40d53---bududovunafabagidadoxu.pdf
- https://thenavyaindustries.com/ckfinder/userfiles/files/30471256871.pdf
- https://dursunguney.com/userfiles/files/sevafagamekofame.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607be04cbd522---12247405881.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=national+lesbian+day
- 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_off00010067.bin6dd4f9bf5d553ad487b1c95f631320f274a555b4fc412f0027b5fe8772d5b257 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10067 | 16940 bytes |
font_01_sfnt_off00012c7f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C7F | 16792 bytes |
font_02_sfnt_off00014496.bind42ad0415a42bec83f394e543b250f9e713e57513601dac31b4a6bf70b954726 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14496 | 10372 bytes |
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