MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The PDF structure itself does not contain readable content, but the presence of these links strongly implies a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://queure.ru/uplcv?utm_term=hd+movie+max PDF link annotation
- http://piemonteforyou.it/userfiles/file/punotozuxosusexazukut.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341a086471f---lutidanazugitebulufe.pdfIn PDF document text
- https://sassanoproperties.com/FCKeditor/file/fefawagetewapila.pdfIn PDF document text
- http://haiqi-machine.com/d/files/66122097955.pdfIn PDF document text
- https://tims.ro/ckfinder/userfiles/files/93841099352.pdfIn PDF document text
- https://nissanzorba.ro/ckeditor/ckfinder/userfiles/files/81099662215.pdfIn PDF document text
- https://veneziashowroom.ro/app/webroot/files/userfiles/files/mifelivazatux.pdfIn PDF document text
- http://jawarakreasi.com/file/75186773251.pdfIn PDF document text
- https://its-bulgaria.bg/files/file/1117838334.pdfIn PDF document text
- http://gift-founder.com/archive/upload/files/xureb.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/06q0vnrtnmrhcfebn1p7i1s7k4/95238011604.pdfIn PDF document text
- http://machinesupplier.cn/data/product/file/2021923_14430_478.pdfIn PDF document text
- http://security-m.jp/tool/images/file/20760606163.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613827c0c51a7---6520153145.pdfIn PDF document text
- https://cortemadera.com/wysiwygfiles/file/wetiparuku.pdfIn PDF document text
- http://daltan.hu/userfiles/file/63616464262.pdfIn PDF document text
- http://tech-sub.com/userfiles/file/14229966484.pdfIn PDF document text
- http://chapraptti.org/userfiles/file/gorarunavesimuruxata.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/3f3ac8d28af54ee993a990852ed8da5b/nozopidarumesimepoduwu.pdfIn PDF document text
- https://lifesmart.ro/ckfinder/userfiles/files/97427176747.pdfIn PDF document text
- http://mizuho-co.net/file/ck/files/26845164005.pdfIn PDF document text
- http://www.radeton-cz.vasestranky.cz/ckfinder/userfiles/files/tasetujo.pdfIn PDF document text
- http://simp-q.ru/userfiles/file/miteroxovazejadofi.pdfIn PDF document text
- http://hzdsbg.com/uploadfile/1630654236.pdfIn PDF document text
- https://mihalex.by/files/files/solikos.pdfIn PDF document text
- https://insp.biz/img/file/60371175210.pdfIn PDF document text
- https://imaggu.com/ci/userfiles/files/78693520460.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_off0000b54a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB54A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD5C | 14768 bytes |
SHA-256: 5f438f186fe774953dfad87ecebc8cc87e951766d102d24616e4d16875f0af2c |
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font_02_sfnt_off0000f2af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2AF | 10052 bytes |
SHA-256: 1a2286fdf94f6843a979fe8040c717c7d1d99e527b7d43710f19cb5867f055fb |
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