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 indicated a high probability of maliciousness. The document contains numerous links pointing to compromised WordPress sites, likely serving as a link farm to obscure the final malicious destination. While no scripts were explicitly extracted, the nature of the link farm suggests a phishing or redirection attempt, potentially leading to further malware download or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9927
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://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607de13101314---jovibisigeviziniku.pdf
- http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/62fac3d5ab77d0cd407276eb6590bdfa/jopukobulosazubajofisu.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e57e21c508---41890303226.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd6541d79f---powopenojinitanesuked.pdf
- http://vencedor.coop/images/admin/file/10738735091.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/1322f0b137cd8e756b49df0ef701a604/tunajatifekitosamuzi.pdf
- https://hissekurban.com/resimler/files/xusin.pdf
- https://invest.pl/userfiles/file/67109541518.pdf
- http://austria-ex.com/images/blog//file/94330738052.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/cb0c00a4dfd42bddc7572b179b9e6b5d/nugexefadaxopijifosetur.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607b80ee6efcf---fafaxek.pdf
- http://clairerolo.com/userfiles/file/52478329869.pdf
- http://bezagsecurity.cz/userfiles/2516115611.pdf
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/d50c98830d790a72c712852ece2fb482/texuneforome.pdf
- http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46807191760.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/b969dc27c7b6d5d8739b1bd031d76a0e/sapazoxuz.pdf
- http://zbraneklapka.cz/ckfinder/userfiles/files/kigopa.pdf
- https://bahceneryaman.net/public/content-images/files/39753324019.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/49bcd057ecaf3e642c13439c67b9c461/90583682727.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072dc9183be6---4218976012.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/kld8p6gfv1bjovoaiti8gvopm2/pibeketelokojupome.pdf
- https://schlosshotel-murten.ch/userfiles/files/73743204804.pdf
- http://www.sport-konyv.hu/userfiles/file/durotube.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=caramelized+balsamic+onions
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee94.bin8093a205421e5526c9c9558aef6dbaac696d1cefe455c6722b2a71444451b659 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE94 | 18388 bytes |
font_01_sfnt_off00011e53.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E53 | 16792 bytes |
font_02_sfnt_off0001366a.bin5ade146207686b278d7430913a762ac15b70f9bbd73c34836442c20988134b10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1366A | 10664 bytes |
font_03_sfnt_off00014ec4.bin9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EC4 | 16092 bytes |
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