MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous external URIs and is identified as a link farm, likely intended to direct users to phishing sites or other malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, with the sample being flagged as a phishing trojan. The presence of multiple links on compromised CMS upload storage and disposable hosting further supports its role in a malicious campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://irlanc.ru/uplcv?utm_term=investment+agreement+sample+investment+contract+template PDF link annotation
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/381fec8f2eb42696a3726fd5b733ddc0/92290629828.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/da6abb90c26147a0c82e996a5ec12e7b/42875649123.pdfIn PDF document text
- https://stbenedikt.ch/userfiles/files/fefofa.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef0a65c575---5836881225.pdfIn PDF document text
- http://thcscatquea.hoaiduc.edu.vn/ckfinder/userfiles/files/32800079277.pdfIn PDF document text
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/a4401edcedbd82884e3139dcfd8b3e32/79386699023.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/e562c128ccffae9a1f0008f9716e9810/mademuviko.pdfIn PDF document text
- http://yanartextil.com/firma/files/67225116107.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/06046b54ea2f41606f8ddd278d342420/juxalokubebumewaxufesox.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083d1d1d18d1---jekoxulebenujo.pdfIn PDF document text
- http://dachastyle.com/userfiles/file/2067621103.pdfIn PDF document text
- https://glycocalyx.nl/userfiles/image/file/6476380882.pdfIn PDF document text
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1da5e334f---41552716975.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607574a7e0345---33513399590.pdfIn PDF document text
- https://metal-et-verre.ch/ckfinder/userfiles/files/galorenepowumixiretigenur.pdfIn PDF document text
- http://gyobel.itpublic/file/35128030288.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/64840cf4d39f3bd6407632ec7fefc524/pozofaragirumow.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c569dc7fea2---jobiwobidukijumaxovibi.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608eaf6e52ef6---minomujagirikajosexi.pdfIn PDF document text
- http://zhatuogz.com/uploadfile/file/60644675110.pdfIn PDF document text
- http://erdivigado.hu/userkepek/file/luwutuvokapagovaji.pdfIn PDF document text
- http://dhs1970.com/clients/9/98/98bceae81adeaace0f0761aa7b0d12fa/File/42339757749.pdfIn PDF document text
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/08ccffdcd6902783e2b9c0135e3fafc3/10094802299.pdfIn PDF document text
- https://altonika.pro/files/fck/file/guwotosajaxunigevig.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_off000100f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F4 | 16592 bytes |
SHA-256: 60d4cd1f6ae8d13212e1222eeb500b75f32b838c8d371ca8e9c6dbe78c66fafe |
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font_01_sfnt_off00012bd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BD5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000143ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143EC | 10732 bytes |
SHA-256: d2c2a22914910c689d894496891cf4767cad0a1f1a3ced1ba3ea92800ce25a64 |
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