MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or conduct phishing. The presence of external URIs and link farm patterns indicates an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://chcial.ru/uplcv?utm_term=rough+and+smooth+collie
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160791220b3343---47650503577.pdf
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/ce38000b7136637be1fed3535c0678e4/2947346263.pdf
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b10e7772e4a---70668788000.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608d235123675---16305309976.pdf
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160820d3487832---30782001686.pdf
- http://kopdesign.nl/userfiles/file/biwiz.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/caf84df81e27ba5c2514b0661f6c6d87/35782372376.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d10e1a7570---3198879714.pdf
- http://przedszkolenisko.pl/userfiles/file/venatasatibomavejux.pdf
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/7finig18l7cnncml9guiujlob7/43500854373.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160987da063fd4---zojoxajapugojik.pdf
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b847ae3e1---taxogetixuzesodovomafu.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/71af91bdb71ff085f90e534c803b45ed/kuvifujalure.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a3cd3a74ec9---zadevukanukalevagufomolu.pdf
- http://uforoi.com/app/webroot/uploads/files/68931277055.pdf
- https://widepolymers.com/userfiles/file/67221852601.pdf
- https://samngaimarble.com/html_upload/file/dowava.pdf
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/8f4a1698d27b434336e68e010971504a/20925404956.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a21e9f85011---kakivu.pdf
- https://vivekanandbawwa.com/userfiles/file/52518967860.pdf
- https://harkakotony.hu/UserFiles/file/69774713354.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_off0000eca5.bin05e9bb7dcc5a59609be699e72798ea9eda89bcee2ac13898b5fb8ad0bdc3ae28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA5 | 17224 bytes |
font_01_sfnt_off00011892.bin9fc4b34466055033ababaa1ec9856d3ca772abc169d8c23785925ab9c15ea772 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11892 | 10860 bytes |
font_02_sfnt_off00013149.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13149 | 16792 bytes |
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