MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as a phishing trojan. It functions as a link farm, containing numerous URLs that point to potentially compromised websites or disposable hosting, likely intended to lure users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://cambridgekapurthala.com/damana/userfiles/file/nodageserizele.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cbf739c30f---13340872326.pdf
- http://tourbusan.net/FileData/ckfinder/files/20210702_64EA914786B44B04.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160812c8ad66a9---kunipixoxopelikujedo.pdf
- https://rocksoliddesigns.biz/userfiles/file/sojiwoxavapotegur.pdf
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608011618cd77---120650846.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a4441b9f21f---bazuzukaxirobosesovug.pdf
- http://www.ecvbrass.ch/user/web/file/88641131285.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a79c3a4cdd---pozuvobutubitisorolevo.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f1a517490c---mefifukemorovazufagi.pdf
- http://xpressup.com/userfiles/file/68945307270.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/de03e346a00aa40de5b26ab013a15c75/vigakakekuzuwakaxe.pdf
- http://wrhs1967.org/clients/6/61/617565fc8afb9cc6d18abf932d248b7a/File/rozewaxu.pdf
- http://studiospazioambiente.it/userfiles/files/69606483654.pdf
- http://debschoen.com/userfiles/file/42054304419.pdf
- https://deltagroup.bg/uploads/file/57630108562.pdf
- http://busanpc1.com/upload/fckeditor/file/vetejen.pdf
- http://hb1004.com/userData/board/file/dagarilirunika.pdf
- https://avgdesign.com/userfiles/file/66228900711.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/tmbjh8j3kfv3ha5k8bpotijh4d/gumisadad.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e1b52b3fe---6545495636.pdf
- http://richmore.kr/uploadfile/fckeditor/file/69971518286.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077b71c2d1dd---gopagipimuzomegefitanobe.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a88f4456bac---50158554986.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=security+clearance+reinvestigation
- 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_off0000f4e9.bina66fb3e9f2e28f6fa90128ad9c4382469e07cd4f2ac293314d280f64aaf02dc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E9 | 10760 bytes |
font_01_sfnt_off00010dd2.bin07799cc3a82ac395bcfa8f975ae1b5d1c1f9320f43034929eb5109f77d72ac95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DD2 | 16424 bytes |
font_02_sfnt_off00013804.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13804 | 16792 bytes |
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