MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating it likely serves as a phishing or malware distribution vector. The file contains numerous links to compromised WordPress sites and other domains, suggesting it functions as a link farm to lure victims to malicious content. No scripts were extracted, but the presence of external URIs and compromised CMS upload links points to a tactic of redirecting users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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=cats+with+too+many+toes
- http://mrsjamesirvine.com/clients/82887/File/34551917235.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b450c62bdc---69443769797.pdf
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/2400382d2e4ef109d6a29bed25e944a7/zajafisi.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16077a8836117a---redutulodoligi.pdf
- http://oryginalnedekoracje.pl/userfiles/file/mubanitazofasigukig.pdf
- http://shsclassof1959.com/clients/a/a7/a7a82b2a6025f7fafce5d77be70bf845/File/19422977788.pdf
- http://www.halpellet.hu/userfiles/files/55786599212.pdf
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/41408213559.pdf
- http://www.heksan.com.pl/file/wiwuf.pdf
- http://villabrown.it/userfiles/files/1598458833.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160bad865d4928---towedepu.pdf
- https://aeternoplanning.com/ckfinder/userfiles/files/6272360962.pdf
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/st8mpkdbidgiv203hgonqaiqk5/gevelopisujuvoke.pdf
- http://irishvaughans.com/clients/7/7c/7cfe0b8ff6d5e3136a6575a9b258a09c/File/kofenapuzedonuv.pdf
- http://vogiantinhmach.com/media/ftp/file/gedejifolinikisisa.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/so16fcg7hose4lb1cshh4psdu5/nifotogonisedutitesadifuz.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16077bf4580449---buwevado.pdf
- https://hondaotohaiphong.vn/upload/files/71417614300.pdf
- http://limeitec.com/upfiles/editor/files/sadolebodaxutego.pdf
- https://www.akilciilacdernegi.com/ckfinder/userfiles/files/vinobaxeb.pdf
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c37ecb48980---50422421863.pdf
- http://goldenpeak.it/userfiles/files/jifazofitatasaregadavo.pdf
- https://marblobathware.com/app/webroot/img/files/wesewitugikide.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_off0000d402.bina2186eee0243e9c4601f3029442983eeb737bd73aa088e86c49b7e87c00d1a41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD402 | 10460 bytes |
font_01_sfnt_off0000eba9.bine69c8a6d17fd5d1db8e65f74394b995749f3bcaddc3d330fad1a84302dd5b919 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBA9 | 17544 bytes |
font_02_sfnt_off000118ab.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118AB | 16792 bytes |
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