MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users. The presence of 'utm_term' in one URL indicates a phishing or spam campaign. ClamAV detection and ML classification confirm its malicious nature, likely as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://inwebjor.ru/uplcv?utm_term=cambridge+10+reading+test+2 PDF link annotation
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16075aed898fd1---41726540116.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/1g77ocus84ieek50tcipaa2im5/mefipudazaz.pdfIn PDF document text
- http://paliukenas.lt/i/File/gebusiginewexidede.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d59a2ee0e9---76081613296.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/e5377f7673c8aef2cba611b17673faff/totimowatijemapegide.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/2pu0um8ak04lvtdkgvu59kql85/datidujipixiwiwemomuxim.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/oomljm2hfnhijgc5ijttlqopathsno63/16152341657.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/l6gc8juli8qq7g0oarh835gtgk/vesujokikizujegaxovok.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/miwilamal.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1609f019b32834---gowotosunemufodi.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/e4453ccb9443d907cb81535f23cc857d/45929486165.pdfIn PDF document text
- http://bmcnx.com/userfiles/file/wudanomasixop.pdfIn PDF document text
- http://kondicionery-vidnoe.ru/upload_picture/file/kinutisumiburusisisexizos.pdfIn PDF document text
- https://travelinnsuites.com/nbloom/fckuploads/file/dakoxor.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://e1pl2.nazwa.pl/busy/fotki/file/naxizeniwakigorip.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE614 | 5484 bytes |
SHA-256: 083b1c794b3961207e9b8b0f70c1d80392da55a95acd51ced2b90a948b052402 |
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font_01_sfnt_off0000f897.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF897 | 10540 bytes |
SHA-256: c33df3306422588d2c6bb417f1c57a9ea7c61c2f1117aea593928eca86fb5003 |
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