MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of external URIs and link farms indicates an attempt to lure users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://nomylo.ru/uplcv?utm_term=best+music+app+with+lyrics+offline PDF link annotation
- http://speckrepej.com/upload/file/84350393889.pdfIn PDF document text
- http://modaxch.com/userfiles/files/65844882141.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613265f734ddd---wubugaxuxopujodigobuf.pdfIn PDF document text
- http://cyuanmei.com/userfiles/file/funilajotuvoxiwejado.pdfIn PDF document text
- http://dostrojar.sk/UserFiles/file/noboju.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac2e3359e8---68957772614.pdfIn PDF document text
- http://kwong-cheong.com/userfiles/ligisonag.pdfIn PDF document text
- https://www.naabelectric.com/userfiles/files/53474901586.pdfIn PDF document text
- https://ltes.tw-goods.com/UserFiles/files/90953809577.pdfIn PDF document text
- https://vnycc.com/userfiles/file/12832970172.pdfIn PDF document text
- http://brickchamber.com/ckfinder/userfiles/files/46067258276.pdfIn PDF document text
- https://dom4m.lv/userfiles/files/zukifopizupemo.pdfIn PDF document text
- http://mim2010.ru/userfiles/file/bodusesumaranadeziwod.pdfIn PDF document text
- http://irths.com/upload_files/files/sevol.pdfIn PDF document text
- https://ietc-oman.saktoon.com/userfiles/files/54972208488.pdfIn PDF document text
- http://www.temaricerca.com/entry2013/admin/ckfinder/userfiles/files/35479466915.pdfIn PDF document text
- https://k-barrierfree.com/FileData/ckfinder/files/20210907_495969BABA0EA06F.pdfIn PDF document text
- http://tw-jia.com/uploads/files/202109060329291615.pdfIn PDF document text
- https://branchennachweis.eu/userfiles/file/matopipigiwuwimawefopo.pdfIn PDF document text
- https://www.iieng.org/editor/ckfinder/userfiles/files/68881223312.pdfIn PDF document text
- http://maremania.net/img_pagine/file/76898601244.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613aaeb88b96e---77622487432.pdfIn PDF document text
- http://3gr-group-com.gbintl.com/ci/userfiles/files/69746910192.pdfIn PDF document text
- http://kangmeideyiliao.com/uploadfile/file///2021090507513754.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_off0000ddd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDD9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5EB | 17776 bytes |
SHA-256: 9240a24c02049772881849988f9904e3ae2e426ef45e2d4837c4a4c39a732bcd |
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font_02_sfnt_off0001241c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1241C | 11100 bytes |
SHA-256: 2efa654fc09d8551a3b15a6a178f62a50102da849011c80686581956f698e598 |
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