MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://queure.ru/uplcv?utm_term=cricket+apk+app PDF link annotation
- https://metricgroup.it/uploads/file/69516198265.pdfIn PDF document text
- https://office-agglo-larochelle.fr/userfiles/file/wotunitopugugobod.pdfIn PDF document text
- https://autoskola-scp.com/files/58577282888.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/068c0f9f2cc4a78d0a3b52a0a0421c69/nipuxoxibidemube.pdfIn PDF document text
- https://www.rosebankprimary.co.za/inc/ckfinder/userfiles/files/kodixizojotixisoxone.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/jubotovojopupuzasuwa.pdfIn PDF document text
- https://detectiveoffice.net/userfiles/file/6207443393.pdfIn PDF document text
- http://bike-aholic.com/UserFiles/file/23228588108.pdfIn PDF document text
- https://salondumariagededijon.com/userfiles/file/nivugitasanepozo.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/t6471a5e5dfl60nlhecv05blnp/vafurojunubiripodu.pdfIn PDF document text
- http://dolonchem.com/upload/files/72044850510.pdfIn PDF document text
- https://stopserv.ru/files/file/vufevujumonamanupim.pdfIn PDF document text
- https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/bakewejudamukipob.pdfIn PDF document text
- https://nghiepvu.udicmanpower.vn/uploads/news_file/feluziwipilisavagejora.pdfIn PDF document text
- http://client.diffuse.info/files/vavibujor.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/58baa7590f9c8538e58e6b1d86060135/14599983236.pdfIn PDF document text
- http://perksys.com/userfiles/file/tutofarovuvuju.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/zekevapuwinuloxi.pdfIn PDF document text
- http://thrifthelp.com/flash/thrifthelp.com/file/34371787491.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bef640d1d---nakajubeg.pdfIn PDF document text
- https://buzascsaba.hu/userFiles/file/72150977188.pdfIn 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bf5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF5B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d772.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD772 | 10052 bytes |
SHA-256: 924538f1eb8c340b08bbebd82faebe77afe56acd56589be025199265303241d2 |
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font_02_sfnt_off0000edfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFB | 18268 bytes |
SHA-256: 07c93b75f4e4118c08e6fd36e8fa582cb081565a68abd8a636ccba0183085821 |
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