MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as Pdf.Phishing.Trojan. Heuristic analysis revealed it functions as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites, likely to facilitate the download of further malicious content. The presence of a download button lure reinforces the deceptive nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://www.findvoters.com/userfiles/file/fozovubasig.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bff22722297---nalezul.pdf
- http://biancoacolori.it/userfiles/files/49214240220.pdf
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e98d98841f---6122167513.pdf
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/a6f1em3j7fkvl5nsehold871q0/vuvixawavagegokutaditu.pdf
- https://toolsatool.com/userfiles/files/wewosodi.pdf
- http://gemculture.com/userfiles/file/87171132968.pdf
- http://acecaalcoy.com/userfiles/file/vivimukagudemufi.pdf
- https://jaiminsales.com/ckfinder/userfiles/files/gazijovipazotiwuna.pdf
- http://af.ssla.ru/images/fornews/files/kugejud.pdf
- https://equinox-e.com/upload/files/68955600685.pdf
- http://rajeshjshahani.com/clients/d/de/defaee86e9f1fedea086b53a5072ac2c/File/sogepeku.pdf
- http://diversecityuk.com/userfiles/file/33902269779.pdf
- https://guruamardaspublicschool.com/userfiles/files/fipop.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a9cd3b6339---vukukagobalufafe.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b26a275a829---jovojowafusabu.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/8311b754fb7d62326afbd29171e3af8f/wenopazejaf.pdf
- http://ekachaiguitarist.com/ckfinder/userfiles/files/rewawotejedazovusuleni.pdf
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb8c6cf1ded---26682208707.pdf
- http://modnyi-buket.ru/uploads/files/visapebeded.pdf
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/648aaf56949f6e8eb49865a76047f348/naxab.pdf
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/cd6v6avjhv0hh1uc9bp3d73sft/donitox.pdf
- http://alptw.com/images/files/sezasabixukel.pdf
- http://perlawarmii.pl/userfiles/file/nuzebimefo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=converter+pdf+to+kindle+ebook
- 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_off0000edb9.bin93e5b6971b0b819e170d4e1a7efab8b925d00e5bdc5fea505d8a751f9cbdba9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDB9 | 10492 bytes |
font_01_sfnt_off00010575.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10575 | 16792 bytes |
font_02_sfnt_off00011d87.bin9c6acef61074c538e77c384fabef859fc28cafcfd06f53e86ab529941a10ce3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D87 | 16812 bytes |
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