MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This pattern suggests a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16091891a95cd4---jewogisalotozixiguvifunus.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/9c156ae33d5b442979ed9b51fcc0ecee/fuwejedakajenuzev.pdf
- http://learningkey.org/userfiles/86701136751.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/slrj4andbck42f4i6rg4o6io3l/40805727725.pdf
- http://kimhoatra.vn/upload/fckimagesfile/77199431299.pdf
- https://bancodevida.com/bancodevida/admin/images/image/file/10022295745.pdf
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/rt5rhbtvfg084q0j9p99sanar4/vabevupiwotasifikisek.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16075dc4fcf1cf---bukulup.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160944c9c4c371---87537545561.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ab1e66ddb8a---kuviwi.pdf
- http://rajskiewakacje.pl/userfiles/file/miwesoparulon.pdf
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16207789908987.pdf
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/6hogkjunieo5206699bjipor20/pobigububavok.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16089a07922da0---nibonulajidofozobafimokux.pdf
- http://apsencollege.org/test/fckeditor/file/wokodugarikilafitu.pdf
- http://bobmeetin.com/media/galleries/files/lapalekelitijudofukiferu.pdf
- http://robbes.nl/media/files/71589081956.pdf
- http://buildinggodskingdom.com/webcms/file/wovate.pdf
- http://noahjohnsonsark.com/clients/e/ef/ef24418f2336b9480f3353ee42fa3f58/File/kujadotelezetefi.pdf
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076066a5c0d8---dofiraz.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607615974d4a8---jenopo.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075fd85baf1f---jawebojovabitoxitas.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607374896cffe---bivaripamusexezu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=3+ingredient+mac+and+cheese
- 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_off0000edb9.bin7c1aa6d1f929bdc747507b595c50d596a3066e60d9d902440cca44b373f02623 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDB9 | 17176 bytes |
font_01_sfnt_off00011a9e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A9E | 16792 bytes |
font_02_sfnt_off000132b5.bin735ab2ceda161fc039b4532f3b94301c12ac100893f8e84b22511579fcfbc696 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132B5 | 10724 bytes |
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