MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous external links, many pointing to compromised WordPress sites, and a visual download button lure. The presence of these elements suggests the file is designed to trick users into downloading further malicious content or visiting malicious websites.
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://cructi.ru/uplcv?utm_term=6.5+practice+a+geometry+answers PDF link annotation
- http://photou.cc//ckfinder/userfiles/files/79518215829.pdfIn PDF document text
- http://tz5168.com/uploadfile/image/2021/05/20/file/20210520_061747_189.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1a47ee918---dilagekuxi.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078a1d991db5---34427526182.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/l85t5rneifbrhumgqbfectoh96/59193856617.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/rbkcn4433r719t7ana530o5m01/59746586864.pdfIn PDF document text
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/bccf6d4844f425b06ae14a9cef093522/93198575896.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/mutulopeforekidebobateduw.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4df50289f---golalowinobijefov.pdfIn PDF document text
- http://dgjinhak.kr/DATA/upload/files/202105270626466385.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/zalenexeneremefosag.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16096adb97e63c---24648502578.pdfIn PDF document text
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1d649c376---3350287116.pdfIn PDF document text
- https://bataretak.com/img/files/file/baxitisa.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16098b9e9613c1---sarebibemiro.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE057 | 5628 bytes |
SHA-256: 6faafd4eaf33aede5d6733151fb8c87d2bca08dab70e7c6bdc1c1b39e2b5ccd1 |
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font_01_sfnt_off0000f37a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF37A | 1852 bytes |
SHA-256: 7f1fc89d230b21cdf1c6da576e651cd8d1038c1fc087e797b2b55c3b3618ee60 |
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font_02_sfnt_off0000fc4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC4F | 15536 bytes |
SHA-256: 26cf4fe0777e87248b70a8461ecd6be242395cb512440ba8244084605180d4d9 |
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