MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms strongly suggests this document is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9941
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://laborke.ru/uplcv?utm_term=traffic+racer+unlimited+money+ios
- http://heizler.hu/files/file/newipatepafive.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b3759e599---godilewesekelineroranuv.pdf
- https://dacola.com/upload/files/selasuninoxewomozivefi.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f31d62318b---zufetirisatomazebedav.pdf
- https://pui-vital.ro/msg_media/file/10191482764.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b97a552eb5e---77699961261.pdf
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/fgic7n3nvd0ihis2t9vljan7n6/55773831580.pdf
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1608593f8d2f64---92660256157.pdf
- http://kaies.cn/upfiles/file/68281512971.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16077b1f0877e0---jibotagav.pdf
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/80805104408.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd4c4d9cc8f---96169400847.pdf
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/2n956l69iekjiv20i1ucfk55ji/61248027575.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c286672fdaf---59536563721.pdf
- http://forresterfamilyreunion.com/clients/c/cc/cc72bfd2512333311cc1ef5a4fdef90f/File/4043690870.pdf
- https://vestol.bg/files/file/27479087264.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f598183ed7---durunofojevofap.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/ep8ca1d89esf6k0fb6c7sha2op/39672309909.pdf
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/ho2in5ktk02mrjjgf4m2boqadb/534431530.pdf
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/cd0b42f75e266dfd0c5ff045147f165d/zekon.pdf
- http://www.jindatunnel.com/up_files/file/41997439378.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4ike97280324p6naarrg28nof7/banogovida.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eff5.binfcca37035df06e555c2991ff65faa0e8497ca6423bee408ebc46b3aef925b516 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF5 | 16144 bytes |
font_01_sfnt_off00010574.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10574 | 16792 bytes |
font_02_sfnt_off00011d86.bin9917a2e1dd62dd241ffed823be31b0924a446d314579d27e15629be39576de29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D86 | 27208 bytes |
font_03_sfnt_off00015625.binacf77e2918222c90fb41c919c08ecb2b96efe29d926cc23445c21c4ae43f8240 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15625 | 10816 bytes |
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