MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous links, many hosted on compromised WordPress sites, which are likely part of a link farm designed to redirect users to download pages. The presence of 'undertale apk free download' in the document body and URLs suggests a lure for users seeking game downloads, which is a common phishing tactic.
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 https://krisoc.ru/uplcv?utm_term=undertale+apk+free+download+english+version PDF link annotation
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/b56a1eeabb81fee223a3cfe9aff3f49a/28433743924.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/nosunorofodoxepanawefofoz.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16086fd224e6ad---gixube.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/6afa46b86e318a0caf3cd7cd73e22d30/1255901821.pdfIn PDF document text
- http://zkojicin.cz/userfiles/file/12008419761.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9aec6e431---35715366805.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aea9c9e0cff---gubatukomugononi.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/770a205cd9463a3d80d41737d3052d15/tegaxanogu.pdfIn PDF document text
- https://xanbiente.de/userfiles/file/migowibapetosigifaz.pdfIn PDF document text
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/c474d704fb446493c4ad0395733f55c5/sezibebiwugum.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b73c10f265d---pasumijerogisumeralumidi.pdfIn PDF document text
- https://hogies.com/includes/template/uploads/file/lowupitusufalam.pdfIn PDF document text
- http://bright-inter.com/file_media/file_image/file/7566260750.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/iruregejoveb.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/a3a04f0cf425b55e5e53d92dabb86239/luwosib.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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_off0000d339.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD339 | 5512 bytes |
SHA-256: dfaa72f66defe879ccb149c77cbc8f3e010827ae9fc5edb3f35a4ace014292d0 |
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font_01_sfnt_off0000e613.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE613 | 10204 bytes |
SHA-256: 959d3bf0d29ca6d24180c7d4d6297e79c2d86ff6b40224c6d05452547062d067 |
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