MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF document that contains numerous links to external websites, many of which are hosted on compromised WordPress installations. The document body, though heavily obfuscated, appears to contain search terms, suggesting a tactic to improve search engine ranking for malicious content. The presence of multiple compromised domains and link farms indicates a phishing or malware distribution campaign.
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://synerhu.ru/uplcv?utm_term=spyro+reignited+trilogy+cheats+xbox+one PDF link annotation
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/a151f79b08c0c20279cb0380d0467f89/jagamugexobusufinapiwob.pdfIn PDF document text
- http://carzip.biz/files/uploads/files/3683381360.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfd23dd6be---19973188720.pdfIn PDF document text
- https://aydin-elektrik.com/resimler/files/kazerisozipifiretegatoweb.pdfIn PDF document text
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16091e536ebaf0---podonujavo.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/c3nkjshbqajbaameb14oplff9c/47567025534.pdfIn PDF document text
- http://peaceinsrilanka.lk/userfiles/file/firekorupesebe.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/6d3hhl3lqrqucg3uu94642l6u3/sarunewojo.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/bapafazalugoxa.pdfIn PDF document text
- http://valifyrepapillon.com/clients/6/68/68e1c6a84db99a04c21676ff826d6e37/File/jabigujeraxibusonufosuxi.pdfIn PDF document text
- http://atek-ent.com/upload/file/diraxupijomivolida.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/c9nou1a3jkrj80mn1bvr72qe37/86184731745.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/e98e35f8ba4023e612f1b173e6ed888a/24680498673.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e3d48c944---34059021248.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16072e29d14f37---fobilisesaranu.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/u7dkgrahgafa1cg824bqjs2eld/menamenuwafeze.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/56338112070.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/7e1118aed9fd8b66e2e56b1e473e6ce8/tapudakewezusefixole.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_off0000e74c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE74C | 5748 bytes |
SHA-256: 7cbed4e1452e2391375c6533c6522620867f951a66a80f981c1a6e930502a7bb |
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font_01_sfnt_off0000fad9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAD9 | 11516 bytes |
SHA-256: 5083e3ac70bb22e72808df315004b53fc8b6ca277638928550fabf5449828e3d |
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