MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious sites. The primary attack pattern involves luring users via these links, which is consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c34b46a6530---jusorezudupul.pdf
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/66551a133d465f098c342cf06aad075d/68619710666.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/bk1i0o0oj64rle590ndi1296b5/34689667813.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8919210fe---45119072696.pdf
- http://nordicaluminium.ru/userfiles/file/46572128747.pdf
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/3j4670icl47s8eior0qu393qj7/23965479309.pdf
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/s3v8tfde53ht02veg7f1jsp6b4/rizokijinefubaj.pdf
- http://myboydfamily.com/clients/7/7f/7f513a2250c12de81a70a6735749c289/File/xiwagakekirekulatosu.pdf
- https://amblamy.ee/upload/file/folataz.pdf
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/oo039h5302d59a7oqb1tpsu8j8/41056815552.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c25e24ac2---bezujavifovenujumawe.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091b5c85112d---36793633009.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a66925cf3d6---54955439357.pdf
- https://taxiparga.com/wp-content/plugins/super-forms/uploads/php/files/03d849bf64cb05518733f5b2645f62b0/wetafefowinulalanuk.pdf
- http://gulfcoolcontracting.com/uploads/userfiles/file/file/84185227100.pdf
- http://www.advokat.com/app/webroot/img/fck/file/dumadim.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/0d967925b1740f716ea033230ba63a54/21051200282.pdf
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ee9e6b6025f1cac1265189f044c25469/74561236843.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/pv8lefgbrqk2p2e3lkobss5h0d/89686805294.pdf
- http://xn--22c6buakeib3ax0bzcc5b8tlc.com/userfiles/file/10104052506.pdf
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/9295187401.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/ef8e793ef2635bf0a99ac03942761a86/2517442004.pdf
- http://hibertek.com/image/files/20210622_220428.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c61162da862---kojuwavudojizo.pdf
- https://tonwen.org/userfiles/file/pigofatemulaxebuna.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c01fb040e14---forajopesafimizalufisiwok.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=electrical+and+electronics+measurement
- 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_off0000bf3e.binfadee700f099044cc98c78700c1fec33dd8a2be86bca3614b98044fddc45f651 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF3E | 14656 bytes |
font_01_sfnt_off0000e41a.bin04f35c6389a2e28aad59be16f87c1efeeb18608680861d03d0c4fcbd80124268 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE41A | 10616 bytes |
font_02_sfnt_off0000fc51.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC51 | 16792 bytes |
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