MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. The heuristic firings indicate it functions as a link farm, likely intended to lead users to phishing pages or download further malicious content. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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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://catamma.ru/uplcv?utm_term=amway+compensation+plan
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/6cebf3b763e0a1fe1f6ddf741abc728f/lovazotokonelew.pdf
- https://alternatifhirdavat.com/upload/ckfinder/files/zekuvirotatik.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/bpdkvsnp4qdhn46v52keigq3m0/90873655022.pdf
- http://littlepearlbooks.in/data/eimages/file/91720800111.pdf
- http://bagumul.com/file_upload/spaw_upload/file/20210511202007.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/f2k6dae01qitd4vh323stg5dmj/66552790870.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/01d36ddb9fce63dab0abc59e52f282e0/sobozuvikigalofekine.pdf
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/slprtagse2f6bo76t6be4d5374/54854810705.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/ce72480ef82de870c2f4b5b5748982ef/mexif.pdf
- http://igorodstore.ru/files/userfiles/files/86135731307.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe8909b708---niwopobozumukuganu.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/fd2aaf3ae6da668fcfd1855d670dc70b/20723738161.pdf
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/vkukttskgoalsujvkcln6mqo06/sokilepajiv.pdf
- http://laclonghotel.vn/upload/files/54915386818.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c1c10ee0c---legibugigubosudujunixi.pdf
- http://zonweringnederland.com/ckfinder/userfiles/files/wegowabewojevofej.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160709a93b6c8c---durapudevalen.pdf
- http://kagoshimakojintaxi.com/userfiles/file/keturomekinezejofo.pdf
- http://blesk-stroy.ru/userfiles/files/dudoxoba.pdf
- http://thegioidahoacuong.com/uploads/image/files/51260853581.pdf
- https://avigailpekelman.com/sites/default/files/file/6325033732.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607379bde032c---65633543340.pdf
- https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/6c26cc5d1effd248e31af7a6471b00c6/3345449257.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_off0000ff15.binfe6f53e7eac22e49c51304873c9c6a10e474c7f3956b76cc5a2628340134ada6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF15 | 10616 bytes |
font_01_sfnt_off00011776.binc2c3f8a4df9240c3018205f2ba65f6b99141ddda23531667229756f5006e0308 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11776 | 17868 bytes |
font_02_sfnt_off00014675.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14675 | 16792 bytes |
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