MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which appear to be hosted on compromised WordPress sites or disposable domains, suggesting a phishing or malware distribution scheme. The document body, though partially corrupted, contains keywords related to Canadian visa applications, likely serving as a lure to encourage users to click on the embedded malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://synerhu.ru/uplcv?utm_term=canada+visa+on+arrival+countries PDF link annotation
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/e9db26057ca9406757a68d719ee3c4c2/wenopalewidos.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/zididinaxuzovet.pdfIn PDF document text
- http://morgancountyoh.com/userimages/nawukixiporobonosasigera.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-5-14/20210514174454156497.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/0cbcf24da0196d1a3b6bf0eceb2ac58e/semak.pdfIn PDF document text
- http://aite-materials.com/upfiles/file/7234414133.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e25be1d253---kibum.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a605d0b45eb---88560626634.pdfIn PDF document text
- https://bbmint.com/userfiles/file/98278530620.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-2/20210502092606605742.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/rijuwirarevabosufe.pdfIn PDF document text
- http://alexanderkanevskyartistbiography.com/clientMedia/file/28061775673.pdfIn PDF document text
- http://beastyenergy.com/userfiles/file/2196684376.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609b600492874---tofadewat.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1984166ebc---pexuwanusuvukuronixalow.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn 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_off0000ec98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC98 | 4900 bytes |
SHA-256: 6513fb0cc676e64c75ad64cef023435562611d4b0e782d4c750cd15cf20d3c34 |
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font_01_sfnt_off0000fd4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD4F | 11792 bytes |
SHA-256: 8c932791e624996541da6d538a2c696f9bec58946e18a340cb83a4c160312876 |
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font_02_sfnt_off00012403.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12403 | 16204 bytes |
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501 |
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