MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to compromised websites, many of which host PDF files within vulnerable plugin directories, suggesting a link farm designed to distribute malware. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 7
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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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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://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160986736343ad---kotuvotufonumelitijejuf.pdf
- http://nhadatv.com/webroot/img/files/vebigexekuvit.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609052577bbb3---89622424734.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/esjhc91otrpoq4m20turi1j91t/rakomejidupurizopab.pdf
- http://allmedicus.com/userfiles/file/16648001202.pdf
- http://asckhn.com/acskhn/userfiles/file/gemafasevu.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160715b4ce92ae---39937255741.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa718f4d30f---49893880177.pdf
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/cd72bf0fdda7ffbfab50d54f20887847/lovesemevusizadisi.pdf
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/16073166232edb---19891619366.pdf
- https://pioneerlift.com/upfiles/editor/files/vapazebegejozufedoj.pdf
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/1jdibtigbd67h7ib5608uj8khm/jegosijerewajur.pdf
- https://agentcctv.com/userfiles/file/mifevusufaxotukuzofemut.pdf
- https://investmentskillsgroup.com/images/userfiles/file/92118388136.pdf
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/5eab067dd47f69d5b6673e824fec5f64/situkamenodovu.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094186f3f682---75472731513.pdf
- http://flatadministration.com/uploades/fckeditorfile/vemisegejojojejakida.pdf
- https://gachbinhduong.com/upload/file/gupojaketatalabolujavo.pdf
- http://uamarkets.com/images/file/kegaloxevapimivisavuvudoj.pdf
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/9a8c1a72fe9ebba3798e7408845464ae/namitamav.pdf
- http://montaze.org/democms/userfiles/file/telamalixusux.pdf
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/19shqtv793ocngq21p1ovoj8qu/54006231237.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=pes+20+ppsspp+android+offline
- 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_off0000e871.bin661d24c3d6b7c22354812585da66dc881bbba64da543d5391530ed4dd1bebe54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE871 | 17628 bytes |
font_01_sfnt_off000116a2.bin19a8324811a0d873c016dc75be1b5f06ff38292e565d770d040216a7d844646c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A2 | 10636 bytes |
font_02_sfnt_off00012f1a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F1A | 16792 bytes |
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