MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The document contains a large number of embedded URLs, many of which point to compromised or disposable hosting, suggesting a phishing or redirection scheme. The presence of a link farm on potentially compromised WordPress upload storage further supports this. No scripts were extracted, and the document body was unreadable, limiting the analysis of specific user-facing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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 http://laboratorioshamalab.com/userfiles/file/67462663395.pdf In PDF document text
- http://osoboebludo.com/ckfinder/userfiles/files/21065956839.pdfIn PDF document text
- https://sanaspinler.net/calisma2/files/uploads/zonibuzinefugifolusewu.pdfIn PDF document text
- http://poetische-malerei.de/web/editor/files/15067405865.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614009f3ec0db---93577761343.pdfIn PDF document text
- https://khangle.vn/uploads/images/files/91057577382.pdfIn PDF document text
- http://rakkhunnursinghome.com/user_img/files/zozumawojemulu.pdfIn PDF document text
- http://monteconsultants.com/image/upload/File/35897236519.pdfIn PDF document text
- http://keystoparadise.com/userfiles/files/67164575069.pdfIn PDF document text
- http://greddy.com/admin/common/ckfinder/userfiles/File/xonagolamom.pdfIn PDF document text
- http://shrlie.com/upload_fck/file/2021-9-15/20210915205538634152.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///76769970775.pdfIn PDF document text
- http://adice-area.com/pictures/files/xapesixesefas.pdfIn PDF document text
- http://guerrazzi.info/userfiles/files/22325126328.pdfIn PDF document text
- http://yakutiaprime.ru/SITE/files/editor/file/tipof.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20210901_DEDCBDAD7030E5CA.pdfIn PDF document text
- http://ancheng-medical.com/uploadfile/files/fukejurijejuxiva.pdfIn PDF document text
- http://sonhanint.com/uploadpic/sun/files/202109061721506875.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/tlau8425cahd9ih12miedrfcb7/55011323712.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/2335c0a759da9bcdfa45ce55caa41ea9/jatatabarujelewerirob.pdfIn PDF document text
- https://tkbhanna.com/ckfinder/userfiles/files/zofeliv.pdfIn PDF document text
- http://getsolarnj.com/userfiles/file/lokeritujedujekapa.pdfIn PDF document text
- http://ristorantebiscione.com/userfiles/files/dumitira.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=nif+b2+2017+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_off00014f0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F0E | 19724 bytes |
SHA-256: af0b466e4c80a9652a93175d272ea8ad1182e432a3ab96c8906d94fb45401171 |
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font_01_sfnt_off00018207.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18207 | 10024 bytes |
SHA-256: 0964080e81012c36a32fad3e0591c6e9f61bf761d0f18661df721dc654165c25 |
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font_02_sfnt_off00019825.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19825 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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