MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The primary attack pattern appears to be luring users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 6
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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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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://queure.ru/uplcv?utm_term=minecraft+alt+accounts+generator+free
- http://vytvarnyobchod.cz/UserFiles/File/99777959809.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16139fe12b7d93---41338887292.pdf
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c184a9ba6---87490234257.pdf
- http://assisdrive.pt/userfiles/file/84461056675.pdf
- http://palmdale.thepokeluau.com/uploads/files/2395502156.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/af91f210b2f4cb32f3e1bc2c741927e5/domuj.pdf
- http://avon-bratislava.com/files/files/tabusikefosu.pdf
- http://czechnews.cz/userfiles/files/rofawu.pdf
- http://topnotchimports.com/ckfinder/userfiles/files/37214282078.pdf
- http://jfhcoaching.com/userfiles/files/15441891754.pdf
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/b26d144ee2f36d5270e859d3a146043f/mefufanobiwafana.pdf
- http://sun-green.eu/ckfinder/userfiles/files/17525678703.pdf
- https://songhongresort.com/img/files/99020035620.pdf
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1612eead742b09---wovugepudedunapelono.pdf
- https://hidropomp2008.com/uploads/userfiles/file/73443762707.pdf
- https://lucky-erotic-massage-bucharest.ro/ckfinder/userfiles/files/41290107663.pdf
- http://samafb.org/uploadfilefiles/36577422258.pdf
- http://eclickapps.in/userfiles/files/narikalefezuzeze.pdf
- http://enjoyisagenix.com/ckfinder/userfiles/files/wuwararu.pdf
- http://rtm-plus.ru/ckfinder/userfiles/files/vuvaposasepatumizatuvu.pdf
- https://mar3ol.com/Files/files/bejojuvumegewuzaxoburoto.pdf
- https://cpsguffanti.com/uploads/file/98434489654.pdf
- http://tianlanlawyer.com/filespath/files/20210914003630.pdf
- https://m-astar.com/UserFiles/files/puletukoluwinolelujaf.pdf
- http://4reality.cz/userfiles/files/wuzejiw.pdf
- http://pedraferro.com/files/files/rasenusuvutazawiwosukimak.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_off0000b873.binae8fbb39c2fdf987da5dc83f04ed15303c53c260a0a5fc9da71867e1b0c06a0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB873 | 15584 bytes |
font_01_sfnt_off0000e025.bin28915afb48fa51350bcf57df17ef6ae13d695f850408d6a8d35de2ee998ddc86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE025 | 10604 bytes |
font_02_sfnt_off0000f88b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF88B | 16792 bytes |
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