MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The presence of embedded URLs and the nature of the heuristic firings point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://cructi.ru/uplcv?utm_term=pubg+mobile+uc+hack+generator PDF link annotation
- http://geometrabottero.it/userfiles/files/7901949062.pdfIn PDF document text
- http://air-con.ru/upload/files/jovogu.pdfIn PDF document text
- http://vincitydata.com/uploads/ckfinder/files/tijibonapixas.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16135226e663ef---22568143140.pdfIn PDF document text
- https://baongochoa.com/upload/file/limaperim.pdfIn PDF document text
- https://artedeeducar.com.br/ckfinder/userfiles/files/8856427521.pdfIn PDF document text
- http://sziszolg.hu/editor_up/93640716186.pdfIn PDF document text
- https://osikovo.eu/webroot/img/content/files/17978911718.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/2308e84b7936601cc10739a2acf873e1/76600064563.pdfIn PDF document text
- http://ahjygjg.com/upload_fck/file/2021-9-18/20210918155421687353.pdfIn PDF document text
- http://avision-italia.com/userfiles/files/jajokipidotixo.pdfIn PDF document text
- http://twilaw.com/files/files/mugasemurolenonabavuxifig.pdfIn PDF document text
- http://bukharaatlanta.com/sites/default/files/file/vidorak.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/161454f59b9205---xejiratejaxosesiramebeko.pdfIn PDF document text
- http://www.corpeverest.com/ckfinder/userfiles/files/fuvulegadesekatubatuxik.pdfIn PDF document text
- http://misterholidaysanprisco.it/userfiles/files/69915737368.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613497039ba95---36351471581.pdfIn PDF document text
- https://www.domaine-vrignaud.com/ckfinder/userfiles/files/dogapiwa.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/46806195612.pdfIn PDF document text
- https://strongpointmarketing.net/userfiles/file/74843593393.pdfIn PDF document text
- http://smolninskayahotel.com/userfiles/file/32224950276.pdfIn PDF document text
- https://manusingh.org/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/630966072.pdfIn PDF document text
- http://akconta.com/uploads/files/jijef.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_off0000de67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE67 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f67e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF67E | 10844 bytes |
SHA-256: 6714ee13b624d3ef8b78b31a1bb9e044c0f12916066977b3d8802856559b95bd |
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font_02_sfnt_off00010f4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F4C | 17684 bytes |
SHA-256: 732f20b913d95bfd0881653a7a9f80cbe715179aa2a913b4d45ee608a51ed076 |
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