MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious content or downloads. The file's structure as a link farm on disposable hosting further supports a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 6
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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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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=things+to+do+in+tepic
- https://parfumzone.ro/files/file/35582510332.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160be4d228065b---madurejatalo.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9aa9f485ed67829e8f087495ba82f7fd/999092673.pdf
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/e6c0ad57b37bb4acbbcb794fd5bd32d7/4144041078.pdf
- http://galluccifaibano.com/userfiles/file/bamerow.pdf
- https://paklya.su/design/img/upload/file/33148474212.pdf
- https://bandotrading.it/uploads/file/85140288185.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ef26ca5e0---fujuz.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/c50c799289726449f3070447a8e01c3b/kujagogojutozin.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160853473019c6---wodagud.pdf
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/ain28g3vqjuauqu1d2se9ae9t1/kutuj.pdf
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/41482122b67862be0ec288d1ec2f5822/15674539593.pdf
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6a20a21ed---48597338902.pdf
- http://edwardnugent.com/userfiles/files/7596483916.pdf
- https://soalmatematik.com/userfiles/file/dusakideruboso.pdf
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/971e6249b91bf61a403f95bc054c9968/jaxibokonekovixitupaluja.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16088e4fa411e1---dinejojutezalu.pdf
- http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/19103914886.pdf
- https://codecs.ro/images/file/65589012074.pdf
- http://adbuffalony.com/uploads/files/36509950094.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160944db29d015---97492865440.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b80382e306f---fekivufumoguluxa.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_off0000caae.bin9271cc6d1b3c1534817c5034020ac39e5724dbbb2e0c18b756b7528c595b335f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAAE | 18144 bytes |
font_01_sfnt_off0000f92d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF92D | 16792 bytes |
font_02_sfnt_off00011144.binc788331393e5f6e9bbfbaf7ee14c5c7a6da417370b4295df54a50449e00cef77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11144 | 10448 bytes |
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