MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to direct users to phishing pages or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://wastran.ru/uplcv?utm_term=cabbage+family+vegetables
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/e1869e627d09bc8c3b982ca58476f31d/wabozaturararexo.pdf
- http://allamericannursing.com/userfiles/file/27122031824.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f58107ba93---15640734496.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b499cd2addc---57398522117.pdf
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083dc22d74bc---xilivonupekanibuwobem.pdf
- http://dgjst.com/upfile/file/wetowirizasa.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d5512e1eb---14812124541.pdf
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/d6f73867ca4eaea78718f1a463706733/xonisoxewimo.pdf
- https://amitadevnani.com/userfiles/file/lejaduv.pdf
- http://parzenica-bialka.pl/userfiles/files/lesuj.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160709580b456b---11864571171.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a33fe530601---magoda.pdf
- http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/tunobevo.pdf
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/c9637209bd43e36af983d6d49e355f15/kenibomoz.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608b477a40f17---timezopoderojimudavoxeb.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4f8622407---podujuxevativodexa.pdf
- http://hyundaihungthinh.com/uploads/images/files/19150288894.pdf
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/8ba572cd2b15d1c99787ea9687b78f38/lodevasesenejojir.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/24a8aea7bb30acebc2b859bc0ddcfc36/jabanuxerokajotewike.pdf
- http://drapikowski.pl/uploaded/fck_files/file/75020675205.pdf
- https://shoppingplanet.ro/ckfinder/userfiles/files/4221576633.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac4ea28cfc---95433690573.pdf
- https://tes-sys.com/uploads/ckfinder/files/20210629/16249221549706.pdf
- 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_off0000ec61.bin768bb5b569193df584646ccb4dd1c5c3793624881fdccbe3e56020b319f6bdb1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC61 | 10584 bytes |
font_01_sfnt_off0001049f.bina882a5a0a290a8b5bf3e5e7e8956e873e7dea57d3ec43dc934c9f8c26ae0ccfa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1049F | 17468 bytes |
font_02_sfnt_off00013221.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13221 | 16792 bytes |
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