MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous domains, many of which are associated with compromised CMS uploads or disposable hosting, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely involving exploitation of PDF vulnerabilities to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 http://westtech1963.com/clients/d/d4/d4250bc21dcbbf02d7f9bc68df143add/File/55952045941.pdf
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/tpvraqe969rt3o0kc31epkjmb0/tumajomivugidilaxuwik.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b7497799752---87006175564.pdf
- http://eibich.de/layout/bilder/file/38423233076.pdf
- http://agcslohian.com/userfiles/file/kugoxudirenekonodoli.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/toe2dc3eopp1vsiv3kmcpo0h63/64313227801.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/465d64eecfa50c5d34a8080b76770eda/53624629432.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8aa6beb50d---jusuvinejesidanojumi.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1ebb853ce---sulunolerad.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/8f0abe44281d9ad2e7c586e02a416c14/3475439101.pdf
- http://alhouti.com/userfiles/file/25768564100.pdf
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/7ced098455ef28154bac3b996fa5816f/lesilaveferelezozape.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/a498e8e4ac5bf3508a9f7c65726069ef/2627618601.pdf
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/7c2d1564d2ae0013bbbd382ae784b327/573351624.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c254364b8---lomekexowodilopoxatadan.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aaf06ed9c0---3193191337.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5df16318b---tuxadimoki.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b49846e800c---44200740694.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/6e8e824ca59557918c825501b57b2f71/dozoxojamibudale.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=inflammation+of+the+stomach
- 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_off0000f81b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF81B | 16792 bytes |
font_01_sfnt_off00011032.binb8ef02a38b38165045bd11f8156a517126da0b2d9026651a608a5c13fca1d80f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11032 | 10452 bytes |
font_02_sfnt_off000127b3.bin19999c2db4ad3ed65d0b5aa20d48d424ed0eaeb19f5dd923eac5679eb5f8c5ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127B3 | 16612 bytes |
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