MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious or phishing content. The presence of these links and the overall detection indicate a likely attempt to lure users into a compromised environment or to a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9938
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 https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/d4q53pjkcf1je7kmhp5hktgbfe/35525837242.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/32844b67697b81cdb98fcdd9e353e329/16610015213.pdf
- https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/35449603538.pdf
- http://score1forspencer.com/clients/4/45/4587145e2679cb7673d0e21b436e5c25/File/89449217357.pdf
- http://ahlhy.com/uploads/file/05134425336.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/f31920088fba22d2ddcc99865ac7d569/9640395225.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/m6rl2jr0i712qbbj50i71gffi7/fabuzogamogikizuko.pdf
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16086ad459c57d---mibedaboxigawog.pdf
- http://mg001.cn/upload_fck/file/2021-5-27/20210527153248170297.pdf
- http://www.verneteco.com/ckfinder/userfiles/files/7103226765.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a864cb950---lakedojugemujowubav.pdf
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a5a6ac3324---lafabosusi.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/c86cdf94c00b576cb3fd0617cb4b3d43/92554968915.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0eabb9e30a---23477210448.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160cfa16a39af1---xinazumokemijug.pdf
- http://anhuishangbiao.com/upload_fck/file/2021-4-29/20210429043915885575.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160affefb5ebb8---10347598827.pdf
- http://dakhoanhanai.com/images/files/40618716189.pdf
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/a904a80aae5bc4743049ef3655b5023b/7463171051.pdf
- http://www.conectadoscomdeus.tv/arquivos/file/mugivoxiwivapi.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/e238dd2c201525fa6646a5c98e818139/piserepakapu.pdf
- http://theettiaresottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/44316586964.pdf
- https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/63190586749.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=prokaryotic+cells+divide+by
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000125dc.bineeed9f428e2710b939f763677ba070cc26097205dfa74db2218f6ceb5a63eb8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125DC | 10672 bytes |
font_01_sfnt_off00013e8d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E8D | 16792 bytes |
font_02_sfnt_off0001569f.bin1347e6883166d0b9c6b69d3185b381971bbcb6dfc2af7a18f10594512a1a9482 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1569F | 17808 bytes |
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