MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Analysis revealed it functions as a link farm, containing numerous URLs pointing to compromised WordPress sites. These links likely serve to redirect users to malicious content or phishing pages, aligning with the characteristics of a phishing attack delivered via attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1730b1e4ed---27267691220.pdf In PDF document text
- http://animalscipublisher.com/files/upfiles/file/noladafosaz.pdfIn PDF document text
- http://primavera-bio.cz/userfiles/file/72980889341.pdfIn PDF document text
- http://flyingkirin.com/uploadfiles/file/091625171013.pdfIn PDF document text
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc6468f68a---jorizafuxufegexuzuji.pdfIn PDF document text
- http://alphanaturehk.com/userfiles/file/gexojuwupadanelafaromu.pdfIn PDF document text
- http://ztkammer.at/uploads/file/94755240165.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/n6c3kbtqbcks5gq99iv9ppth5n/mamejalukusarevokamopi.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/tlf080rk9ciulhq2defs3qvm71/26316671404.pdfIn PDF document text
- http://shengyaweb.com/uploadfile/file/2021080109371659.pdfIn PDF document text
- http://101-games.ru/images/uploads/files/razuzosobasuwegofivafo.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085058795e14---75179186050.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/21018038c0e7d57e49dcee51012e8a3d/desijomorinuz.pdfIn PDF document text
- https://intersat.lv/files/file/xoneporalegupelawiziz.pdfIn PDF document text
- http://jfhcoaching.nl/userfiles/files/xebivodegave.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/jq2japshqr68oagvjpn1935dvl/kafunumibavibinamazirit.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/f05058eaf6eb7020d763f4ff8d1dd611/miwomuruzeboviwan.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/27545358543.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/6iinq9d8has711uh3i5ahrmdgr/wosefojos.pdfIn PDF document text
- http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/durigu.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/892331501c0a66bc2733d3f2455c245f/53768317590.pdfIn PDF document text
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/pivepugidifenopuzejubexus.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a50f6b9a2c1---besutevumujimazu.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/6585ol6cdmhmd3prjmo5cnn87q/98688638718.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=what+is+whatsapp+beta+programPDF 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_off0000dd80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD80 | 17720 bytes |
SHA-256: 2136148736dc59cb9f3949c75d47454176f7dca24d2be596722d479a6f315e96 |
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font_01_sfnt_off00010b95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B95 | 10768 bytes |
SHA-256: 56f879f38db2465e5040d5357bd3d209c53ed4e3df2462c3276eea3c78088f74 |
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font_02_sfnt_off00012442.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12442 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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