MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It functions as a link farm, with numerous URLs pointing to compromised WordPress uploads and other domains, likely to lure users to malicious content. The presence of multiple external URIs and a link farm structure suggests an attempt to distribute malware or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://hexindechem.com/upload/files/lojivodotarobifudoluluv.pdf In PDF document text
- http://sahcarpets.com/userfiles/file/442081493.pdfIn PDF document text
- http://www.toptehnik.si/images/81407325732.pdfIn PDF document text
- http://detskaoptika.cz/ckfinder/userfiles/files/52447716158.pdfIn PDF document text
- https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/60566794032.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/fnuhugbq9jtpm8imij0vrjide0/51335993650.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/p5l57cnd0keb0ebe5ti9rdbjfv/92878110107.pdfIn PDF document text
- https://home-consult.lu/userfiles/files/7530056448.pdfIn PDF document text
- http://dinobajka.pl/Upload/file/23695428719.pdfIn PDF document text
- http://incomsistema.ru/ckfinder/userfiles/files/bigikaxonejusamir.pdfIn PDF document text
- http://syuncyoku.jp/upload/file/87301805626.pdfIn PDF document text
- http://potentialdesign.cn/userfiles/file/1631125423.pdfIn PDF document text
- https://highendteen.com/userfiles/files/59394561528.pdfIn PDF document text
- http://thegioimaychaybo.com/app/webroot/uploads/files/6974270364.pdfIn PDF document text
- http://canissapiens.com/images/uploads/file/fegorevemisoxufemupo.pdfIn PDF document text
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/29386724421.pdfIn PDF document text
- https://ykitraders.com/UserFiles/file/74308097305.pdfIn PDF document text
- https://okazdedziecko.pl/_files/Media/file/miwuniwibiroxiva.pdfIn PDF document text
- https://exam11.menapoint.com/app/webroot/upload/files/58158257143.pdfIn PDF document text
- http://bannhuaduong.net/upload/files/kepijupuwenuju.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/16131c4de96531---sililosawijixepagejav.pdfIn PDF document text
- http://komodovo.ru/upload_picture/sisavebogazijam.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/fegap.pdfIn PDF document text
- http://vivaibonomo.it/userfiles/files/zubowevapiviliwupegupate.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=iphone+text+style+for+androidPDF link annotation
- 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_off0000da8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f29e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF29E | 18696 bytes |
SHA-256: d1b4a881cbe1bb6abde2b3307af052c040bb9539ba1bc75c1c3244b8d6da874f |
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font_02_sfnt_off0001230f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1230F | 10764 bytes |
SHA-256: 1884f27c2cefba0521b05b83475c9dc35236b251a042b18b00e0ed86c6dc13b7 |
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