MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to compromised CMS uploads or disposable hosting domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://allytemp.ru/uplcv?utm_term=the+walking+dead+season+10+episode+19+watch+online+free PDF link annotation
- http://carzip.biz/files/uploads/files/remazowofidije.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/hpkk4baroror3rgnd0mbeej0ga/29154974245.pdfIn PDF document text
- https://sysyanginguvenlik.com/uploads/files/wuvexebenujuma.pdfIn PDF document text
- http://cbstav.cz/file/60064413947.pdfIn PDF document text
- http://biomehl.com/images/content/files/85736171449.pdfIn PDF document text
- https://www.tocbirsen.org.tr/ckfinder/userfiles/files/23626697391.pdfIn PDF document text
- http://droprint.my/home/ququ4923/public_html/userfiles/file/51203488425.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130fd0f7183e---zozuk.pdfIn PDF document text
- http://moderncarrent.com/user_img/files/85815000632.pdfIn PDF document text
- https://rentcar888.com/uploads/files/202109061400224166.pdfIn PDF document text
- http://leeclinic.kr/userData/board/file/3702810235.pdfIn PDF document text
- http://contelex.it/userfiles/files/95292390725.pdfIn PDF document text
- http://www.moyekolodin.com/files/virafemaxar.pdfIn PDF document text
- http://bouwbedrijfansing.nl/userfiles/file/12465134586.pdfIn PDF document text
- http://tantex.org/tantex/tantexuserfiles/file/57758144329.pdfIn PDF document text
- https://promptcorporate.com/ckeditor/ckfinder/userfiles/files/rufal.pdfIn PDF document text
- http://svadbavmoskve.com/content/xuploadimages/file/jadozowimowezi.pdfIn PDF document text
- http://morakothotel.com/file_media/file_image/file/7344683054.pdfIn PDF document text
- http://huucodatlanh.com/userfiles/file/20598547806.pdfIn PDF document text
- http://poptheme.cn/uploadfile/files/20210908_212503.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/65247799447.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/smj3urhge7u9iflg5mupu23q23/penelegawosudesixosa.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_off0000cb7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB7A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e391.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE391 | 11380 bytes |
SHA-256: 4d33368313c63ae339beedf23d3e92ef72f1c22a66a01f57a9136960843641b7 |
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font_02_sfnt_off0000fe32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE32 | 17392 bytes |
SHA-256: 9e8b1c3b840ac5d2e89ebaee43a09abaad80fdd9987bb4062d7778343f8b06e9 |
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