MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to compromised WordPress uploads and other domains, likely serving as a lure for users searching for information. The embedded URLs and the overall structure suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://queure.ru/uplcv?utm_term=cuanto+son+100+gramos+de+mantequilla+en+tazas
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609df6a1496df---jenudonafetedemujetu.pdf
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/d809njcc14j6erhpb32sk3a633/tisalewemabifiromo.pdf
- http://garmagostaran.com/Upload/file/batavunobokane.pdf
- https://agatanorek.com/files/file/89518001412.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768b6d59141---sepowemikaji.pdf
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/7h5vgqusf41ng6ntb9v165fg6j/65633453895.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609cdcaf73f67---18435478785.pdf
- https://xanbiente.de/userfiles/file/28701426230.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160925267cb384---damaketokotew.pdf
- https://balajitutorial.com/admin/userfiles/file/71934317769.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/80661ea87eb82ea2961517eff12d3014/texoxigekumakete.pdf
- http://www.sport-konyv.hu/userfiles/file/rufawolusu.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/8353fcbfb7f94a77b73799bfaeb1c532/29884892405.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160907593dae03---fufugurimatisuparag.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a634738ac96---fibitavexevoxoresawafulon.pdf
- http://globalquestconsulting.com/userfiles/files/luxip.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b05a5f43b92---31425947145.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- 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://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebb0.bin9459d895d803773931999a84a3db5910cc0dab57fe48feb57a0f75ce3a255760 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB0 | 5420 bytes |
font_01_sfnt_off0000fe06.bin52e30f5735f99fbf6501712e67f3f2d8f3640199e73edb017bf731db4b2a06c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE06 | 12136 bytes |
font_02_sfnt_off000124dd.bince7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124DD | 4324 bytes |
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