MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, specifically flagged as Pdf.Phishing.Trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM confirms this behavior, suggesting the document's primary purpose is to drive traffic to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://sunpix.ru/img/lib/file/48724568038.pdf In PDF document text
- http://balbu.hu/uploads/news/file/zorezifazogowusowaja.pdfIn PDF document text
- https://damsindia.org/admin/uploads/file/41005826411.pdfIn PDF document text
- http://matras-devison.ru/upload/file/80843959814.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/6a099d7d045e834bc9bd596776bca73c/kapifajapirorut.pdfIn PDF document text
- http://caythuocdangian.net/images/files/66559736252.pdfIn PDF document text
- http://www.frank-diagn.hu/userfiles/files/zeluravifotelanik.pdfIn PDF document text
- http://ip-malkov.ru/uploads/files/jezewuni.pdfIn PDF document text
- http://spynet.gr/Administrator/uploads/userpics/OutPostImages/files/44621141545.pdfIn PDF document text
- https://www.indoorclub-informa.com/boletines/img/file/begusu.pdfIn PDF document text
- https://heks-tech.com/app/webroot/userfiles/files/42604123350.pdfIn PDF document text
- http://ceramicaartisticamarsalese.it/userfiles/files/tolitezuvudulegavaruw.pdfIn PDF document text
- http://giovanninociti.com/userfiles/files/sobudezekud.pdfIn PDF document text
- http://reichspfarrer.sk/file/nisitijowakotozagudewog.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16149dd221702f---pupon.pdfIn PDF document text
- https://812423.situshoki1.com/contents/files/90957514786.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614b964c13beb---xidomariponusibagunimotu.pdfIn PDF document text
- http://bojovesporty.cz/userfiles/file/xofisirivifimariwotu.pdfIn PDF document text
- http://snabsz.ru/ckfinder/userfiles/files/95500021632.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/20219191152485791.pdfIn PDF document text
- http://ytbozhuo.com/upload/file/161533089933.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1613b32b4f1ea1---wonilo.pdfIn PDF document text
- http://piscesappliances.com/userfiles/file/75508669655.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=halka+episode+10+english+subtitlesPDF 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_off0000ba39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA39 | 11068 bytes |
SHA-256: 98f69aa828e1e19c35236faf501ed9f83562014b1c737e572ea74e57cc262010 |
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font_01_sfnt_off0000d375.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD375 | 17852 bytes |
SHA-256: 7ac697ac18772370985f426c6662b0fffd5477a9b42b5677cf0a1b2310b18c9d |
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font_02_sfnt_off000101ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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