MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier. It contains a link farm pointing to multiple PDF files hosted on compromised WordPress sites, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms indicates an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/064ded89f35b8fa3cc4f80e6f3418263/dojatomewexefa.pdf In PDF document text
- https://quangcaowebsite.vn/uploads/files/wopavolekil.pdfIn PDF document text
- http://srs-budapest.hu/uploads/files/5249436948.pdfIn PDF document text
- http://xn--9i1b14lzokxjcrti5um.com/upload/fckeditor/file/98337507118.pdfIn PDF document text
- https://china-glass-mosaic.vegner.com/userfiles/files/20210909_064905.pdfIn PDF document text
- http://fuguchair.com/upfolder/e/files/20210917065033.pdfIn PDF document text
- http://longchimvac.net/app/webroot/uploads/files/94140881318.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8ce709026---28813876679.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614271d30b529---wujewijowa.pdfIn PDF document text
- http://dsagco.com/Upload/file/kodetetekawogajakorugivot.pdfIn PDF document text
- http://oa30us.com/userfiles/file/dosupore.pdfIn PDF document text
- https://karaari.leaddeehub.com/userfiles/files/gifudalokepexovuzobojis.pdfIn PDF document text
- http://a1climbing.com/userfiles/files/28912050187.pdfIn PDF document text
- http://olguanaokulu.com/upload/file/jativalexorokifa.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16143bf26f068b---6621363951.pdfIn PDF document text
- https://alcc.c-zentrix.com/ALCC/mail_attachments/multitenant-ws-01/1/1631553343.pdfIn PDF document text
- http://evolutionchonburi.com/userfiles/files/gazedubapijod.pdfIn PDF document text
- http://xpeedon.net/userfiles/file/20210906222118.pdfIn PDF document text
- https://nidi.mk/ckfinder/userfiles/files/79753160722.pdfIn PDF document text
- http://akcihlar.cz/userfiles/file/jenutibomanuf.pdfIn PDF document text
- http://tuzoltosagmihald.hu/userfiles/file/22112292123.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/a985470672dfedf8444121ee7854d12d/73538646515.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=betrayal+in+the+city+full+book+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_off0000b9d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9D1 | 17212 bytes |
SHA-256: dfb64994f84988be7cd9e4cd4e9371229138e7ed4285bcb0b88042ed15c1a2de |
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font_01_sfnt_off0000e695.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE695 | 11048 bytes |
SHA-256: b99ae410dc25c295f0aa2d6c4e88aae27d74eb35faad64e5e83a7f4a2e88ac80 |
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font_02_sfnt_off00010006.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10006 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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