MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous external URIs and link farm patterns, suggesting it's designed to redirect users to potentially harmful websites. The presence of a 'download button' heuristic further supports a lure-based attack. No scripts were extracted, but the overall structure points to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://wastran.ru/uplcv?utm_term=facetune+2+free+ios
- https://ferropula.hr/files/jitazilo.pdf
- http://studiolaviano.it/userfiles/files/xufovowux.pdf
- http://maulich.vn/attachment/files/64544934438.pdf
- https://www.ccs-corporation.com/ckfinder/userfiles/files/nilekiriwavusizonu.pdf
- https://liantoong.com/archive/upload/files/85045769766.pdf
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e7a58b805---58608819207.pdf
- http://starinviter.com/ckimagefiles/takuzarebilemukasugun.pdf
- http://3colorjazz.com/fckeditor/userfiles/image/30003524247.pdf
- http://rayhovietnam.vn/upload/files/51497386306.pdf
- http://dralituncer.com/userfiles/file/likobizazifurobisuwem.pdf
- http://tuanayapim.com/rsm/files/59990387980.pdf
- http://gemculture.com/userfiles/file/zimasijumodajalekitunaxok.pdf
- https://gesema.com/UserFiles/file/42265214000.pdf
- https://kingdomdatesuae.com/userfiles/files/towazonirazago.pdf
- http://6nergy.fr/6nergy/sites/default/user/file/rurulazixotexiri.pdf
- https://apteka-wratislavia.pl/halatecza/userfiles/file/14298594072.pdf
- http://vnos.vn/app/webroot/uploads/files/44655238825.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16138e05d0828a---35880845809.pdf
- http://bsa-billiard.by/images_from_html_editor/file/gebetijopuxepuzufupa.pdf
- http://ty-int.com/files/files/85511390947.pdf
- https://0924055971.com/uploads/files/202109080721535406.pdf
- http://goldenstarhotel.vn/images/uploads/files/lujowekasuseresenojuvaj.pdf
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612efa1405506---79007018553.pdf
- http://cmtl.in/uploads/userfiles/file/file/31642217965.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_off0000ca2b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA2B | 16792 bytes |
font_01_sfnt_off0000e23d.bin2d39bd79d291de72922cfc583f808383dd13f5fe5c2c11ebe65ef1c4b438d99a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE23D | 18516 bytes |
font_02_sfnt_off00011246.bin4335fabcb894e39ae4d83ae3bc60a1de7fa0e351085381254a184b556bd12c17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11246 | 10480 bytes |
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