MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to multiple compromised websites, suggesting an attempt to distribute further malicious content or phish users. The presence of embedded URLs and the nature of the heuristics indicate a social engineering tactic to trick users into downloading files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://sujitonweb.com/userfiles/files/24740511299.pdf In PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccfd2d711b---maresetagep.pdfIn PDF document text
- http://trendymamy.pl/userfiles/file/rurugovipebebipowosikexa.pdfIn PDF document text
- http://ownlines.com/upfiles/file/64672385512.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16075a28006d13---28625118715.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/crt8r56rqo3lto8fo0vbr43kfm/68296548336.pdfIn PDF document text
- https://free-spirit-city.eu/uploads/wysiwyg/files/titanasasaripigirifigu.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16071f518a1b65---61382712791.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/dkbaqjp9ki4npal43rqvb9r697/54885628267.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c511ef697e2---34746896078.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf50ac825d---3277474744.pdfIn PDF document text
- https://abugfreemind.com/userfiles/file/gubezapomolegave.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/991cd8a3839ea2bcbed0bfd1056f7b35/61909632092.pdfIn PDF document text
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/cdeb5de41516d88169e27180ed5f8016/71748045100.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/cedc1b39d61b9381defc8dfbf57efb85/3115236044.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/05drva01gqohovar1ad51iu6h2/velosipodebi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=sims+3+midnight+hollow+freePDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013558.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13558 | 5472 bytes |
SHA-256: 456b4c36f5c1933f92b3d0ece89200a45be2c719b6dca1d3675ecd91a888bfa7 |
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font_01_sfnt_off000147d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147D9 | 11464 bytes |
SHA-256: d8d5c891b751b6510d15a255d593c507b30e1047b16452d7003081a26a2299bb |
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