MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://irlanc.ru/uplcv?utm_term=gun+3d+mod+apk PDF link annotation
- https://pharma-tools.eu/galeria/file/lakitejuvikozibabeka.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a9eee6cc381---zenipifa.pdfIn PDF document text
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/f1b9be08ad09ba7667e193dd511589e2/xunifudaxiwekez.pdfIn PDF document text
- https://abe-rdc.com/userfiles/file/6726753075.pdfIn PDF document text
- https://vasantviharproperties.com/userfiles/file/xuzakaregolalirirukeju.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160b29779862b8---vikidusituxu.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/7ee5021fa455fa8e7a54966af840c4be/tivexexaxejovebusipoxuzag.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3ba714e80---75535930002.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/soxekizudu.pdfIn PDF document text
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/5vdvpg92sspgqb13rkqikhsrhj/gumozipifegalukakavede.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943e9ab984b---pekodivin.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606c971ae93db---83051337887.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/f7d929952c3c4e980cd33676953ae85b/95105141307.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609cea59d394e---41607758799.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160757476cb8b5---39072743896.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/ed2d62ac5694e9e19045fececde954d5/ferutolulutoseguxizera.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_off0000f22e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF22E | 5060 bytes |
SHA-256: 9447d26bced30704c54aabef62d0701b854069f665c8d85383a9feedb921f30a |
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font_01_sfnt_off0001035f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1035F | 11752 bytes |
SHA-256: faa0aaa6b4aa211750a899c14e57e3be73c19f721fd96bd607f42bba904bbbb1 |
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