MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to external sites. Several of these URLs are hosted on compromised WordPress installations or appear to be on disposable domains, indicating a likely intent to lure users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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=accurate+to+one+decimal+place PDF link annotation
- http://snabsz.ru/ckfinder/userfiles/files/57499154429.pdfIn PDF document text
- http://big-blue-bus.com/pics/fotos/1/file/96343670824.pdfIn PDF document text
- http://tythb.cn/uploadfile/files/jujijekomazexadunijokamet.pdfIn PDF document text
- http://danangsculpture.com/uploads/image/files/11672428878.pdfIn PDF document text
- http://peoplefoster.com/pliki/62996180788.pdfIn PDF document text
- http://daeryuhealthcare.com/ckupload/files/12879203738.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614fce1d64b91---73380187565.pdfIn PDF document text
- http://teraval.cz/res/file/8903332352.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/16143588e6434a---bokunot.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/32a46f20708c29c2c460c2d4e4d529e5/doxigidakosakitegujenu.pdfIn PDF document text
- http://abwva.com/uploads/files/mefobub.pdfIn PDF document text
- http://allier.proximeo.com/ckfinder/userfiles/files/gamidibesipodi.pdfIn PDF document text
- http://local-minicab.com/survey/userfiles/files/wajisob.pdfIn PDF document text
- http://lesmashclub.com/imgUpload/files/1655374261.pdfIn PDF document text
- http://volkshilfe-vlbg.at/images/content/files/44858174855.pdfIn PDF document text
- https://lengthening-sldf.com/userfiles/file/8813577594.pdfIn PDF document text
- http://coverybox.box8websites.com/ckfinder/userfiles/files/38586717098.pdfIn PDF document text
- http://isotech.si/uporabnik/file/1103591417.pdfIn PDF document text
- http://fullx.net/files/famolijonojilale.pdfIn PDF document text
- https://konyaalotaksi.com/userfiles/file/14360415409.pdfIn PDF document text
- http://www.vnv.nu/admin/library/ckfinder/userfiles/files/54645327114.pdfIn PDF document text
- https://tttinox.com/upload/userfiles/files/dikaxiresabozifipudivogat.pdfIn PDF document text
- http://kdekdyjak.cz/data/rufulefuwejunamixaru.pdfIn PDF document text
- http://daltan.hu/userfiles/file/16929205055.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_off0000bb7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB7E | 18456 bytes |
SHA-256: ad315f45b10755e2249edc0e8b99f4ad79c11bee39faa03f17660e032a455fc4 |
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font_01_sfnt_off0000eb29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010340.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10340 | 10588 bytes |
SHA-256: eb0f35eb8b54db86aa0e76566b0f3d729b7e49d6ce2b9dc4e58fac4b4a1dc7d8 |
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