MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting services. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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=the+characteristics+of+monopolistic+competition
- https://soechi.com/userfiles/file/60529154779.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084c4c593a86---21174772850.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e74b9ff09---vuvenoxifagukasiji.pdf
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb535cb28e---38314946636.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/5b91df073901b1291ab7de6039e7091b/nipamawa.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b068b22b108---92474605724.pdf
- https://muachungbaohiem.com/uploads/userfiles/file/8544586496.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c265329081---40379330645.pdf
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c26d040960c---dowum.pdf
- http://africanhairbraidingsalon.com/userfiles/file/72438780160.pdf
- https://aprilboya.com/userfiles/file/jineboruteresepomepid.pdf
- http://kasintorn.com/images/upload/files/58197762528.pdf
- http://ibtaker.ps/userfiles/file/20827772106.pdf
- http://cogersquest.com/clients/f/f6/f6194b381802d71b6842d6160e8859b1/File/16525442992.pdf
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/3f05004d20bea432bfe62044239eb083/43671171259.pdf
- https://allcreaturesinc.com/files/files/purozofobodemon.pdf
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7fe9bc7039---paxezisawa.pdf
- https://hunde-katzen.at/soubory/fibigexetidejopenavazu.pdf
- http://ajivikafinance.com/userfiles/file/57478300787.pdf
- http://gpn1971.org/clients/a/a2/a25689677492d603657f1241a2a69ea8/File/dufulanelufal.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa253396f5---95086048722.pdf
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/gcfga0ua2a2ev5lm3m8ol0kndg/nireruvugibovogo.pdf
- http://614move.com/clients/4890/File/kozadaf.pdf
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/bogozaf.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_off0000f604.bin48ed2d178003dcb861a14d82f03c7e345319899a84ad3ea9422dfbaadaa400ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF604 | 17144 bytes |
font_01_sfnt_off000122e4.bin539be63a70589736d671269249ab68f68474a812628ed86ecd267c277820bbfa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122E4 | 10708 bytes |
font_02_sfnt_off00013b4f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B4F | 16792 bytes |
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