MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to compromised websites and a link farm, suggesting an attempt to redirect users to malicious content. The presence of a visual download button further supports a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://chcial.ru/uplcv?utm_term=ek+baat+kahoon+kya+ijazat+hai+mashup+mp3+download
- http://rolmech-strzelno.pl/Upload/file/36376710024.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/a5c121425a1f176fd2d478ec6703f478/kebugarugenefez.pdf
- https://eatorhours.org/e-bussiness/fckimages/file/wojifelozuxo.pdf
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ccc602e62---38725696799.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea64e2fad6---72287514734.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/55de6d25a7c82e7ef7522e0651971cc9/42123682311.pdf
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b069c777824---sewanawirebelexuxaxekex.pdf
- http://10glazsikeyrosa.ru/file/39984674646.pdf
- http://tribo.kz/userfiles/File/23856805898.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16099d32bb3554---46497214487.pdf
- http://fcv-bo.org/data/fcv-bo/userfiles/file/fewidezadumobobizole.pdf
- http://ahcxdq.com/uploads/file/292357181965.pdf
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9d899fa53---tudobak.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16086a92e6fbbb---24342653941.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/5be4c09dp6cfmdabsfeopc7id2/surerova.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eea15b5b43---risifi.pdf
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a203420885f---4404172661.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
- 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_off0000ce9d.bin61d0160d0b7d28db1473deaea68a7802b690431168cc4797e60e34a560149bac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE9D | 5748 bytes |
font_01_sfnt_off0000e22c.binbaec42b0952cee5c00d59dbc3a0ee972789d3706ebbb9413409cbb7dea8df62d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE22C | 10404 bytes |
font_02_sfnt_off00010624.binc259421cf7191bf9da9d82af278835c7b135943ddfee2c6a3adb87afdcd80d6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10624 | 18296 bytes |
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