MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting. This behavior is indicative of a link farm designed to distribute malicious content or lead users to phishing sites. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b707953181---48951638385.pdf In PDF document text
- http://tanriovermensucat.com/uploads/genel/files/xadolesipapukobagi.pdfIn PDF document text
- http://csc-0898.com/userfiles/file/20210909100028_iuhmg6.pdfIn PDF document text
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/f6086815d04e6e75071807e53c67f920/siwoz.pdfIn PDF document text
- http://dreambeauty.kr/upload/fckeditor/file/22930224645.pdfIn PDF document text
- http://dagmare.de/userfiles/file/jokaborimozadako.pdfIn PDF document text
- https://netlandschool.cl/files/58286182208.pdfIn PDF document text
- http://security-m.jp/tool/images/file/15123996665.pdfIn PDF document text
- http://hanauhrova.cz/files/7874219858.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/3535608295.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16155c4980709b---66900675893.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c8081393ee---sulugumesotosuz.pdfIn PDF document text
- http://inimtrento.it/userfiles/files/18495247790.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f88b64cda9---35036376816.pdfIn PDF document text
- https://webkapper.nl/ckfinder/userfiles/files/34998881421.pdfIn PDF document text
- https://zoorichi.com/temp/fckeditor/file/70076886340.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16151487979494---xidofikupofa.pdfIn PDF document text
- http://isagenixmakessense.com/ckfinder/userfiles/files/mifanizedonutosuk.pdfIn PDF document text
- http://www.catedralirodahaz.hu/data/editorfile/liredusikunuwozarovux.pdfIn PDF document text
- http://fukaofoods.tw/uploads/files/202109031202528334.pdfIn PDF document text
- https://aljuboori.com/userfiles/files/xarebuj.pdfIn PDF document text
- https://praktijk-fix.nl/userfiles/image/file/90855768742.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/16624951788.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=gente+toxica+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_off0000c1e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1E2 | 10440 bytes |
SHA-256: 7a0d96697344e167260e0653d4591a3176117572c73db3dbda68d29dc4fbba4b |
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font_01_sfnt_off0000d9c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C0 | 20304 bytes |
SHA-256: df24213a05faacf1410113c870e3b33222df9a6b8a28c20e471bcbe707fdf297 |
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font_02_sfnt_off00010e4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E4A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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