MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF was flagged by ML classifiers and ClamAV as malicious. It functions as a link farm, containing numerous URLs pointing to other PDFs hosted on compromised websites. The presence of multiple 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicates a deliberate effort to distribute malicious content through a network of compromised or disposable hosting. The primary goal appears to be directing users to further malicious documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://khiconghoixuancong.com/Khicong/admin/userfiles/file/dixelaxidupidose.pdf In PDF document text
- http://zhengfutz.com/v15/Upload/file/2021629316308221.pdfIn PDF document text
- http://spamsmsgiare.com/media/ftp/file/27666146650.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607435f4a635f---morujarib.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/280f29d11378a5fe6b087f8b386c12ad/nikew.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/suvoto.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/1ebabe86d16e679f7db1c59aa5843b5b/50012195348.pdfIn PDF document text
- https://jamisonfurnace.ca/userfiles/files/nasotitosovazifikodokaru.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/648b810616451008af4a30653d437f1f/mifipufilesonaka.pdfIn PDF document text
- https://miaousland.fr/ckfinder/userfiles/files/pagesojozoxewegugokuf.pdfIn PDF document text
- http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/27edd2882f5e773aa0494337854c7bfe/70629795401.pdfIn PDF document text
- http://jadever.vn/Images_upload/files/45072961568.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca791a33af---98059810306.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9c804b414---nodebovago.pdfIn PDF document text
- http://0930actress.com/files/files/94711857187.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160972e1e7816a---64173062042.pdfIn PDF document text
- https://afra24.com/basefile/afra24/files/javukobesejes.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/b4732355f6df2acc12a727ecd35054ad/13231534336.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/ec954596acb57aea573826b50079a2de/lilab.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160751c50b2a18---84335119454.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/4ts619btp47lfpiuu18vullj95/vimaxupek.pdfIn PDF document text
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/d93la7a08jtru7q639l9g0dp06/89166190825.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/ba213ffef85b9ebccd8a325787166058/96872092969.pdfIn PDF document text
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8d568d1d2---87378797827.pdfIn PDF document text
- https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/4cc0060625c5480164d9fa8b6cdda05f/52044599084.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=formula+to+convert+mg+to+mlPDF 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_off0000d5a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5A0 | 10456 bytes |
SHA-256: 8f07d10eacb02afb6a23c0ddbf5766a6db8a6ff031a57705c00cf728a9183077 |
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font_01_sfnt_off0000ed6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED6B | 16980 bytes |
SHA-256: d84d7abf006d31829dea2d54364b13a644d569f7de6b3ca533561161dd523b5a |
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font_02_sfnt_off000119d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119D1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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