MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to compromised websites, many of which are hosted on disposable domains or use UTM parameters to track clicks, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. The document body, though heavily obfuscated, contains references to 'gta san andreas download apk 2021', indicating a lure for potentially pirated software.
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://huntic.ru/uplcv?utm_term=gta+san+andreas+download+apk+2021 PDF link annotation
- https://rybczewice.pl/userfiles/file/bozubukekazol.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609be5a2661e5---xodanuvupetasojefirar.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/614a2ef676cb9492b4c548e694d0fe03/xufiduxijumije.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607b2cf8dc190---6409202160.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4f093d51b---83855476385.pdfIn PDF document text
- https://laughteronlineuniversity.com/images/upload/files/77240268610.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/5ec6a91ae2532520665d0a966972c887/6880670313.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c62bc7e2c97---zezorired.pdfIn PDF document text
- https://consultingexpert.eu/fckeditor/userfiles/file/timegeverijuriseko.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/4701f2747af17c20be2da1b161a85fa3/lepunoxuvuzesekoxowanibo.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160829b885d642---wabakazakikaxaron.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/ae75862b53832afdbb3848a43ae7495b/woxosevogosuzofomo.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b977ca30e08---28113829147.pdfIn PDF document text
- http://zbraneklapka.cz/ckfinder/userfiles/files/moxobuzebolixuvero.pdfIn PDF document text
- https://zemiigori.com/uploads/file/foguporodavesazomogij.pdfIn PDF document text
- http://giaoducvietnamtv.com/images/ckeditor/files/vivegewa.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_off0000e3e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E4 | 5464 bytes |
SHA-256: 2165ef1774a91396de43e73ac7a16c5c948bb7c9a05cb9b8f361119b6aa1c720 |
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font_01_sfnt_off0000f6aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6AA | 11028 bytes |
SHA-256: e6e633cb64c32cd84bd2b56f0c7a4876b60a2a5d2efd03302c803d4506eceb71 |
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