MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to distribute further payloads. The 'SE_INVOICE_LURE' heuristic further supports the idea that the document is intended to trick users into clicking these links, likely by impersonating a payment or contract document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://lovesushiscv.com/uploads/files/63680393613.pdf In PDF document text
- https://vmwarts.com/ecovic/file/zigutivikitabuviziguvur.pdfIn PDF document text
- http://burrburroughsfamily.com/clients/55468/File/71360269400.pdfIn PDF document text
- https://smartmedia.ro/app/webroot/files/userfiles/files/24560992913.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160fdd03ca6c18---jamelowakagenu.pdfIn PDF document text
- http://kimhoatra.vn/upload/fckimagesfile/lemegikadezepamodog.pdfIn PDF document text
- http://woodsfamilypride.org/clients/2/2c/2c83419adcf4927d74d3defe18342386/File/79102991241.pdfIn PDF document text
- http://aitrans.org/UploadFile/file/F1202106171748364741.pdfIn PDF document text
- http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/piwexepuvuvu.pdfIn PDF document text
- http://abogadosaguilar.com/ckfinder/userfiles/files/11725608708.pdfIn PDF document text
- http://lnshiyue.com/userfiles/file/20210817051240_2004404019.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/73eb101984ae834028219e9d7ccd8015/95380190030.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16071b5d46913c---87671370723.pdfIn PDF document text
- https://lienlacanien.com/img_pages/file/joropuwuzuwoxazegisa.pdfIn PDF document text
- http://mistral-paints.cz/userfiles/files/xiberazaraxaxoje.pdfIn PDF document text
- http://yossy.biz/userfiles/file/40315269271.pdfIn PDF document text
- https://diarch.in/WYSIWYGImage/file/72884076248.pdfIn PDF document text
- https://regiefranchet.fr/userfiles/files/mibiwajonotemunifemepa.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/a31826b4914bf81b30e8a8560f6cb4c8/95135450556.pdfIn PDF document text
- http://turbotechnik24.de/userfiles/file/77971378094.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/lumib.pdfIn PDF document text
- http://baiduvpn.com/upload/files/nafalev.pdfIn PDF document text
- https://wilocom.ro/ckfinder/userfiles/files/foruvakawivubuzedilu.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1dae7976d---dabixegufewotexe.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608e0d6d9da80---pixuwofomululebalid.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=contrato+de+arrendamiento+de+vivienda+sencillo+pdfPDF 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_off0000e00e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE00E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f825.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF825 | 10880 bytes |
SHA-256: f1a752ddb9bbd437e92474717930d82d1351c20e4e82b423138150b5e949925e |
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font_02_sfnt_off00011152.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11152 | 18564 bytes |
SHA-256: 3bc763821fc02c7e81cc0d668c8f6bbc5801ffd8c03a216c8b644d7aa13c2f55 |
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