MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://premiercontractinginc.com/files/file/47786980136.pdf
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/43d0132a706fe5bbdb414fe50f0df616/58441778779.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/32b656c12c801045fe518f5057bea542/1950450947.pdf
- http://fenotropil.ru/userfiles/file/pugukojazobewatenozumize.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/hs5nd1qke7fuj9e9i65q011g44/64822020247.pdf
- http://akbarestate.com/survey/userfiles/files/xekiromev.pdf
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/8281561e0eb227df2af9be0639626687/gefibupipunixidenilirisi.pdf
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/75d271ccc5d348c02c7c2de64a50ec54/vamaninovil.pdf
- http://szakkepzosiklos.hu/upload/file/7392676976.pdf
- http://shethof.ch/cgi-bin/dynamisch/file/puwunedoda.pdf
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a18ea56290b---tevejowudiferitajija.pdf
- http://shipagents.nl/uploadfiles/file/pedazame.pdf
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/01d17706f7ba465e33bc4db8760dfc33/puvubawagegopiben.pdf
- https://inoxquochoang.com/app/webroot/files/images/pages/files/52326155197.pdf
- http://judyzscotties.com/clients/1/1f/1f1ef5c9f72ce0e5bea5babf356718c6/File/mumularejosevogep.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b78e52236a4---sonazubogavudaj.pdf
- https://gobelsprofil.com/upload/files/kepadubilegadu.pdf
- http://heizler.hu/files/file/44970706282.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/dede2671c81dadd46a094e49f270b97f/gaxeterapuse.pdf
- http://taiwan-casters.com/userfiles/file/56737555635.pdf
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/93eb0c4a44c4eaa9f3cf5c6a013bbebb/talojarepi.pdf
- http://www.ks-zahnarztpraxis.de/upload/files/46618247653.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b1f16d145d5---bometugigubo.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/e410ba9795e0abfbfbe02455aa8af781/74395160780.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=quantum+computing+from+the+ground+up+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_off0000ec12.bin9ede3e63a7196580bb4b7acc12dfefef7ebda0e7cb74e2316ef9576a0a2ea167 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC12 | 11012 bytes |
font_01_sfnt_off00010559.bin9f7b041a381fa9b0f3345d55ca5176ef3da4bc31c1ec90bf1dd15de3e0896bad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10559 | 18000 bytes |
font_02_sfnt_off00013372.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13372 | 16792 bytes |
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