MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and embedded URLs point towards a phishing or malicious redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://gopherandsquirrelcontrol.com/admin/images/file/zoguforovikiwideberisi.pdf
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4277a19b5---51828409401.pdf
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16087974c8da52---sumedubatajas.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16084a645eaade---96118435461.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/4tu3gt6qlckcjm1gs230t793fl/renabego.pdf
- http://nadiadsa.org/userfiles/file/44652981669.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/4e4ee33493ca6fedd39bdb95b43ee3fe/91046525465.pdf
- http://dynamic1984.com/user_file/file/98093180172.pdf
- http://www.peretprod.ro/content-images/file/padapuxejopupaniruf.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c3650f2e9---20318194022.pdf
- http://adance0112.com/upfile/editor/file/42935602578.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/243db560d86ba50115b36a233c5f52d3/65792780740.pdf
- https://vicotelecom.vn/static/source/images/file/71261573578.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16078045e5d5d2---59365896889.pdf
- https://majorsagilekvaros.hu/uploads/file/fulesimazexilumaxufu.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160cd31276788a---39333661208.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f81016919---zemekukenip.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/5a296e1f6757bbf02bfc4b8f3672e3cd/26889404429.pdf
- http://biemmecommerciale.eu/userfiles/files/32203890713.pdf
- https://afayl.com/userfiles/file/31901455139.pdf
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/824qtjd3cpo9u3pkdema9qfm04/kegesuwim.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b62276a2a15---folifun.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=call+of+duty+warzone+hacks+free+ps4
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/42161b6cc27aedaedc5c0b935dd8e868/6190081347.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_off0000f9b8.bin15cf29f668745fe726c51e15962bcd5404abcacab38ebf72705f4bd6f643aae9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B8 | 11188 bytes |
font_01_sfnt_off00011411.bin06dcc0994df34a12516b4ae04e3b575dce1452d0af9e661c1b5163ab47da7d2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11411 | 17004 bytes |
font_02_sfnt_off00014098.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14098 | 16792 bytes |
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