MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, and contains numerous embedded URLs. Several heuristics indicate that these URLs are part of a link farm, with some pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://philabc.ru/uplcv?utm_term=frp+login+apk PDF link annotation
- https://ags-car.60km.com/upload/files/laludebomo.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16133819f48982---fotozikogalofo.pdfIn PDF document text
- http://evrofurnitura.by/elax-furnitura.ru/uploads/files/ruvedopadunenogesuruwix.pdfIn PDF document text
- http://grafichesirio.com/userfiles/files/kikoxisubopebonabajisil.pdfIn PDF document text
- http://gazdalkodjokosan.hu/img/userfiles/file/44824110112.pdfIn PDF document text
- https://institutdesante.org/userfiles/file/galixesifivalajibumazor.pdfIn PDF document text
- https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/69530419144.pdfIn PDF document text
- http://grandviewgroupresort.com/upload/files/45236216009.pdfIn PDF document text
- http://topas.lt/userfiles/file/90735705043.pdfIn PDF document text
- http://julianina.dk/upload/file/84590609196.pdfIn PDF document text
- http://constantemails.com/userfiles/file/163133092799774002616.pdfIn PDF document text
- https://tempegaring.com/contents/files/jukavuteropopupogi.pdfIn PDF document text
- https://alexandrapanayotou.com/web/images/static/file/39053261769.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/abf25b5320bb17fbb435dd9498267489/54083355540.pdfIn PDF document text
- https://parlagame.net/calisma2/files/uploads/66637784753.pdfIn PDF document text
- http://uat2.hkha.com.hk/ckfinder/userfiles/files/11866391862.pdfIn PDF document text
- http://metamorfoza-krosno.pl/userfiles/file/kavipomeje.pdfIn PDF document text
- http://debseven.net/UserFiles/File/9772950848.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/93dc55a7c2b0f26744775ad9d7ced6d7/melopusekor.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140159383ed2---83970131727.pdfIn PDF document text
- http://mertcelikkapi.com/userfiles/file/14617562334.pdfIn PDF document text
- http://frutapacargentina.com/ckfinder/userfiles/files/jibarelalesolagujiriroxi.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_off0000d494.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD494 | 18808 bytes |
SHA-256: d6c3636834ab2742fd6392d8ed764dd7627a9402e80fc8aa332d8a57003ac2f5 |
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font_01_sfnt_off000105d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D6 | 10100 bytes |
SHA-256: a49a2967c97e49990839d004feed35a53d950b82d9d9e14ca739fe3685b1e0b6 |
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font_02_sfnt_off00011c53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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