MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to various compromised websites and disposable hosting, with one URL specifically mentioning 'free fire aimbot hack 2021', suggesting a lure for game cheats. The presence of multiple PDF link farm heuristics and a download button lure further supports the phishing and malicious download attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://synerhu.ru/uplcv?utm_term=free+fire+aimbot+hack+2021
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613382d127c66---janupijonafozunavefi.pdf
- http://deleersnijder-bocaege.be/images/file/95947745978.pdf
- http://minerva-collection.net/files/files/rojawewemefiwekabifita.pdf
- https://fullgame.hu/uploads/files/74526980639.pdf
- http://buyyoutubecomments.com/ci/userfiles/files/22388298172.pdf
- http://thanuyentea.com/ckfinder/userfiles/files/84011680957.pdf
- https://soechi.net/userfiles/file/8392037043.pdf
- http://oishisushigd.com/uploads/files/tavopepa.pdf
- http://bertrandetgastineaudesigners.com/userfiles/file/mamekusofiwuz.pdf
- http://beiks.info/public/file/2908469564.pdf
- http://wuxihemei.com/ckfinder/userfiles/files/20210920_001410.pdf
- http://mwflower.com/upimagesfile///popafapizu.pdf
- http://jrmhandling.nl/upload/file/mezagi.pdf
- http://stefani.cz/fck/file/wisurag.pdf
- http://baovevietnam-vnss.com/upload/file/rixirobulezujivegego.pdf
- https://mebelihome.ru/upload_picture/fobozosagitabo.pdf
- https://togelunited4d.com/contents/files/56934566173.pdf
- http://kitpaisal.com/mypicture/file/vobojexezegatomiwurepeve.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/16141a601a8800---ruxafivekeju.pdf
- http://coytex.net/ckfinder/userfiles/files/3743153597.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/fc57c8a03ffd33849ed720b796126730/bosodegasov.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_off00012851.bind4fb0aa54b2a95f31fda6fb06941b850335d3a333922a7846c33e2cf051e7d24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12851 | 20356 bytes |
font_01_sfnt_off00015e2b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E2B | 16792 bytes |
font_02_sfnt_off00017642.bin73a2f25b10bc25fe5ac4af0f0294f2d64417aab7b22339b5f4afde4543052982 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17642 | 10788 bytes |
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