MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the overall structure point towards an attempt to redirect users to malicious sites.
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://archism.ru/uplcv?utm_term=war+of+dragons+cheats PDF link annotation
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/afhsehs1rb34dfj76kp6spuo8c/37178666387.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac84bd96605---gijanowepaveg.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/tazapo.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160bc42a0a0b30---66330779385.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b6270857c3a---37681574596.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160854d18013ef---desigawugidi.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/madefetufodidibu.pdfIn PDF document text
- http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/99240485312.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/26o9egdfnqfgio39r5u8lb5h30/22234975561.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16075e9e2b59a0---xawewojivivujuwig.pdfIn PDF document text
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609318f91a06b---pusoze.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/a9ae0365ac7b8dafcf7fbeeccbdbfa74/dozalatudu.pdfIn PDF document text
- http://badaranquehablar.com/userfiles/files/11943900110.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/t360qr463ngk9unuliopam3bsu/10769319479.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/1bof83vifdgorc92h2qadv1f70/19959152790.pdfIn PDF document text
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/e83936527bec6629806d5650f2ce947b/lutigupeb.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_off0000f0ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0AB | 5264 bytes |
SHA-256: ed14c7f9bbb088318f4b388687034a8a7ec2458715ea73e4f44f639d8d51a3dc |
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font_01_sfnt_off000102a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102A3 | 10428 bytes |
SHA-256: 567873adafe9a62e42087d5c72c1a4c6241d3b8ef3e3c24fa4c0391ab0b828d4 |
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