MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, pointing to multiple domains, some of which are associated with compromised CMS uploads. The presence of numerous URLs, many hosted on disposable domains or compromised sites, strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://synphabase.ch/upload/file/mobexuradewubi.pdf In PDF document text
- http://topflexsports.com/uploads/56627702775.pdfIn PDF document text
- http://8njl.com/userfiles/files/xinikebawexojawobetededux.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613065b31bb19---vuligenobafubonubom.pdfIn PDF document text
- http://dkind.net/userData/board/file/98760857901.pdfIn PDF document text
- http://futureinfashion.com/ckfinder/userfiles/files/55364991629.pdfIn PDF document text
- http://dreamwith.gni.kr/ckupload/files/vulaxesotetovumaw.pdfIn PDF document text
- http://nguyenthaotech.com/upload/files/jirasinomawawupize.pdfIn PDF document text
- http://fsgzb.com/upfolder/e/files/20210903041304.pdfIn PDF document text
- http://www.bc-arman.kz/ckfinder/userfiles/files/vijitafawi.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/kpa2p6da54mrlgkeejtnlilth4/tonapowinazijivo.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/11175164121.pdfIn PDF document text
- http://allasclub.com/campannas/file/nubokelud.pdfIn PDF document text
- http://www.sudaff.com/pics/file/84809250730.pdfIn PDF document text
- https://songhong-thudo.com/img/files/30083880426.pdfIn PDF document text
- http://fratellibeninca.com/images/file/vazizurarubexi.pdfIn PDF document text
- https://licorne-hotel-restaurant.com/userfiles/file/paveririfilezikelabaxanet.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef4a9d7a19---rapifupuwijisarapusebiti.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/21134956296.pdfIn PDF document text
- http://xn----7sbezcba9a5aggb3j.xn--p1ai/ckfinder/userfiles/files/midusaroja.pdfIn PDF document text
- https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/12221807174.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16138e09be0f83---89660107395.pdfIn PDF document text
- https://madeirashopping.com/userfiles/file/49611607800.pdfIn PDF document text
- http://4x4autok.hu/userfiles/files/kuxamiziligola.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=tamilcrow+online+movie+newPDF 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_off0000c440.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC440 | 17832 bytes |
SHA-256: 74c3bcbf83309b2eaba9bb028c64dafd2e2a35761ab885973df7450e487016be |
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font_01_sfnt_off0000f2f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F8 | 10240 bytes |
SHA-256: c1680f3665162dbb90525b89853425f1ce8e952d5d909a602589657b1c10610d |
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font_02_sfnt_off000109f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109F4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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