MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Multiple heuristics point to the PDF acting as a link farm, directing users to compromised WordPress uploads and other external sites, likely to distribute malware or conduct phishing. The presence of a 'download button' lure further supports this. Although no scripts were explicitly extracted, the PDF structure and URL findings suggest it's designed to facilitate the download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://smidgel.ru/uplcv?utm_term=advanced+english+dictionary+apk PDF link annotation
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1609164435d305---82343648026.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/c89d6e8a3f640d1dcd7c0ef269955397/domefamufisiduti.pdfIn PDF document text
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097022025dc5---bopilinowejegazikokiko.pdfIn PDF document text
- http://azizolace.cz/images/file/gafurejaxiketuketugula.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/1c19c49e5dfef1d40cf1f340d4058058/89530028705.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/xalusadijilexaleletepejas.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/8fffb2f16c371233156da7de7167a943/ropig.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/40ed295ebcc34f38e81be0c9e4174134/runenodafopamag.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/mvtds99o22taeeuq2q1rs99jqn/58940982667.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b0a0e51cf---32284009738.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160af8d4e1d723---jeniketurafogijis.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/18489735730.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa444a1cf6---xupifevodelidotigigu.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/1073514578ac861eea1e54556a0b46af/23229275933.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccaefc7175---10672410914.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/7ip1fu77bv6l0gbbmpjvs30png/70396295042.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/a45a37ad45708185132fabccd335894b/mafatusuwokisidoju.pdfIn PDF document text
- http://cdmatik.com/uploads/file/50305918822.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_off0000ea1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA1E | 5552 bytes |
SHA-256: 35914e001179723999f54ce14ee454f49459b9e1af236166adc22b280a9c2ab9 |
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font_01_sfnt_off0000fd03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD03 | 11080 bytes |
SHA-256: a7547228f1f31821d6ccb6cdd01956bec58b16f46fc112a98d4cb62e0abc43dc |
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