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 model indicated a high probability of maliciousness. The document contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or conduct phishing. The presence of embedded URLs and the nature of the heuristics indicate a likely spearphishing attachment used to redirect users to these compromised sites.
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://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/7bfa8f222352ec33f098a1a0ba15a0f1/devijefoduv.pdf In PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/a6824d50de4776519c5d67f8b0777da9/83846568095.pdfIn PDF document text
- https://diaspoassur.com/wp-content/plugins/super-forms/uploads/php/files/cec13870329ca8b0935fe6c1e2f18f42/vodorinomipivudosugigof.pdfIn PDF document text
- http://kfbi.ru/content/file/258399816.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/33fm6ou4ve4l9lb2rqbq2ng77j/zepemolojo.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/3a18a289c0e0678c28d86a43276e920f/59315932861.pdfIn PDF document text
- https://auto-rujo.com/images-editor/file/jivodasi.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/gicvfu5jl4iubp5n07f3p8oapg/bobazafekup.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/buxizunajunu.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ada2236d4ea---bakesozumojavi.pdfIn PDF document text
- http://richmediahouse.com/admin/uploads/file/71900799179.pdfIn PDF document text
- http://casier-a-bouteilles.com/file/85507239082.pdfIn PDF document text
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/adafa33cdaa18ed13eb548348272415e/tozuxedusixikibamugoseru.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607905dbbce10---26977020575.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/29382738819.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/27682b6d0d78f2fcd2de0c409b5b9a0c/32784152218.pdfIn PDF document text
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/2d2c1b051b74a04c92ed167ceb958f1a/78689690303.pdfIn PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/56882851530.pdfIn PDF document text
- https://nestuby.com/userfiles/file/77360751060.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071c9f9d770c---63317042245.pdfIn PDF document text
- https://lawina-radom.pl/files/file/tupipasivejulupegizuxe.pdfIn PDF document text
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087816b5bf2b---jalitijagis.pdfIn PDF document text
- http://bigsvatcharasith.com/userfiles/file/8389864931.pdfIn PDF document text
- http://bertrandetgastineaudesigners.com/userfiles/file/kelonidagawavo.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/ks6g14ata5jphld62a3fcphdb1/74147810612.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=doubletree+financial+districtPDF 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_off0000d0ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e8e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8E1 | 10708 bytes |
SHA-256: e7bf72f9d6f9690c3ba0e5bf1b1ee0b39dae20bdd973abe8030271dd2526b03d |
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font_02_sfnt_off0001018b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1018B | 16892 bytes |
SHA-256: 9a19e747c97079aad4c3a0e1203af7dca57181f8d2cd00cc350c8d8af1d9ccaa |
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