MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites, likely serving as a link farm to distribute further malicious content. The presence of a visual download button lure suggests a phishing or social engineering tactic to trick users into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=how+do+you+add+hyperlinks+to+a+pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/02983ef043bfb3d8b24bfb294bf6e161/3755648368.pdf
- https://rinducm1.com/contents//files/77794978209.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/c388aa585dfabfb7c235c4f036a57f8e/70419615934.pdf
- https://thuaphatlaihanoi.net/uploads/files/vawani.pdf
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160738cd19f47e---89395393940.pdf
- http://zamokugrofa.sk/admin/fckeditor/file/lerolowunukof.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/3hd8dp1lrhnugc4sti13deieqs/tafazoteder.pdf
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/f9579cf6b4856fc30cd4e366d20b8d82/30660281081.pdf
- http://naitikfashions.com/ckfinder/userfiles/files/fowujojenupafexinelew.pdf
- http://4bx.pl/public/file/webofikidiri.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16083a91e93fe4---najimagajilafoxopar.pdf
- http://anhuizhkj.com/upload_fck/file/2021-6-29/20210629100202580042.pdf
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0c49415f9---metururamipanufos.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607b11d59a098---ruvovaxadupuxotu.pdf
- http://njuhome.pl/ckfinder/userfiles/files/67310166930.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160cd8274adff2---66658088763.pdf
- http://myappartement.de/web/editor/files/remojafeketetinunatimugel.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607695c1337f6---sajezuzara.pdf
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/49s81g2a86jghq143lcc2148km/tunaditubaneguduka.pdf
- https://clumba-indoor.ru/files/files/vunam.pdf
- http://www.findvoters.com/userfiles/file/situgekofujogesilelejofi.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160853ca95fcb7---13565387157.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/t9j9vsl62oj2nua7vc8na7ibrh/xowaxexepekakapelur.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_off0000ba95.bin5d0d350d191d553dd8ece12710261bae0119beab665bd11f991e59675a0dff19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA95 | 15060 bytes |
font_01_sfnt_off0000e0d9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0D9 | 16792 bytes |
font_02_sfnt_off0000f8f0.bina6cabfc56a898460b1d1d1cbf1ba089c3f0672e7a0a5fdd6b39718a384022e82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F0 | 10980 bytes |
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