MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. Heuristics and ClamAV detection confirm this PDF is malicious, likely serving as a phishing lure or a distribution point for further malware. No scripts were extracted, but the extensive use of external URLs suggests a primary function of redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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 https://crysiq.ru/uplcv?utm_term=how+to+draw+a+race+car+step+by+step
- http://encino.kopanramen.com/uploads/files/zesovusaxepofojugogaziwef.pdf
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/8bdb53bc8a748863bcf635bbb2fad635/firukomozaxabivodezomi.pdf
- http://4chan.ro/UserFiles/file/weponevetofozakudapune.pdf
- http://sm300159.agchost.com/userfiles/files/76330240434.pdf
- http://timebymtm.com/upload/files/famivapolot.pdf
- http://bankerz.in/qpic/files/36185889322.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/16150b49fdbbc2---borapigunuj.pdf
- http://chongthamphucthang.com/images/news/files/27334254819.pdf
- https://cicasoftavukatwebsitesi.demowebsiteleri.com/upload/files/xotizikimuv.pdf
- http://ktai.lmg.jp/upload/file/dovikakawe.pdf
- https://bodymason.com/user_uploads/files/78547601867.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16155ea978f630---15747728521.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/haps7jgc1hqdv5t6q62blbm1hn/kamus.pdf
- https://hotlinepro.in/admin/userfiles/file/51047206407.pdf
- https://budapestpainter.hu/ckfinder/userfiles/files/koruzat.pdf
- http://remproekt-m.ru/admin/ckfinder/userfiles/files/40209274722.pdf
- http://rimini-portal.de/bilderarchiv/file/lovidew.pdf
- https://mb-classic-service.de/userfiles/file/83366715267.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613de51417277---21883469656.pdf
- http://addon-colsman.somantec.net/ckfinder/userfiles/files/zoxegukelerojilus.pdf
- http://fmi.lu/userfiles/files/raxixuzapesuvoxipenovasu.pdf
- http://perles-del-beya.com/userfiles/file/dexebiwano.pdf
- https://mygoaltv.org/ipp/images/uploads/files/3263747214.pdf
- http://pro-roubenky.cz/UserFiles/File/juxupinav.pdf
- https://okinawa4d.com/contents/files/kamaluzuvedomapexojorevu.pdf
- http://chiron-ventures.com/chiron/home/img/upload/files/210921094734412163ksth0.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_off0000b32d.bin43ca21f316392a26bd5126c1c180132b644f7e7c8e05372859e16a43c04cba81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB32D | 15964 bytes |
font_01_sfnt_off0000dc08.bin397e9becb5d4f68e5c2b222aa1a00b53a27ba6e33f81787847ef56c25760e4ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC08 | 10596 bytes |
font_02_sfnt_off0000f430.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF430 | 16792 bytes |
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