MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links pointing to compromised WordPress sites and other domains, indicating a link farm designed to redirect users. The presence of these links suggests the PDF is intended to lead victims to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://angelsstaff.com/uploads/file/vugoxividalesug.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//10763285431.pdf
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/9a2710e8ccd19aed4f24ee77ea51e9c9/juvekigeradarixofelimi.pdf
- http://sbsinternationalschool.org/sbsisnew/userfiles/file/27684215818.pdf
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/e6tivgkjjudhufu5epvvkkk13b/jabumizerotuniza.pdf
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/5chhh0rbvlthr8po6ifh27kodr/jukonakub.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc953a1f1c---sosovevofosigad.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5000f9fa57---bufinovopuzuwukusu.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d707b26895---25004296673.pdf
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16088b20841657---55709721503.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094585f09042---fadidorev.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f3c7b3668---42459525415.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a0fb1f19206---99363649107.pdf
- http://jfac.kr/ckfinder/userfiles/files/73709950723.pdf
- http://www.parkwaytransplant.com/media_upload/upload/files/13950821914.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a46ab9e2aa---39438551681.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/6d271d5ed90162266e7b04ae92b2e309/dixufi.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/off9jgnsnstkt2negmma4opdgf/jexutuvegijuwowajenuge.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/1217c0242bfd773da0fb75620883af6e/suvegalutimiz.pdf
- https://hgb.se/filer/file/92800997463.pdf
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9b735187f0---26585803379.pdf
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/77nl7ogelk4ec58kktoar0m179/xelujojo.pdf
- http://shinies.ru/img/lib/file/83160408524.pdf
- http://saokienviet.com/uploads/image/files/tesazowidofuliwofake.pdf
- http://elfuklid.cz/foto/Image/file/40152483863.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=kvs+admission+for+3rd+class
- 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_off0000e903.bin18aa939559e17b33a735ca62a76b227d8abae08cbbdb76272b4a31d2b67ac866 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE903 | 16804 bytes |
font_01_sfnt_off000114c9.bin2167ecdbf4659f21f4ae239e8835a5e716641bc95dd0e18c9517d67863b07704 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114C9 | 10636 bytes |
font_02_sfnt_off00012d1a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D1A | 16792 bytes |
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