MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected by ClamAV as a phishing trojan and flagged by an ML classifier. It contains numerous links, many pointing to compromised WordPress sites and other potentially malicious domains, suggesting a link farm designed to redirect users. The presence of external URIs and the overall structure indicate an attempt to exploit users by directing them to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://hertzlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wesenasibanijerigaxogu.pdf In PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607d95891a934---99423984630.pdfIn PDF document text
- http://j1medical.com/uploaded/file/zozaj.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8694c02714---jiragujakofi.pdfIn PDF document text
- https://technoarc.net/userfiles/file/zinewas.pdfIn PDF document text
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/29e4a1ffe46c2344ede8293896151f12/jugowiwurikujif.pdfIn PDF document text
- http://gramercygrand.ru/files/file/gowuvelaravokez.pdfIn PDF document text
- http://lacyfamilyunity.com/clients/2/20/203fd950dafdada58ea32e7b96f0d147/File/8925885121.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/4403338024.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c1f6a2f0d---verewa.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/polivumab.pdfIn PDF document text
- https://grup-insaat.com/userfiles/file/87833098574.pdfIn PDF document text
- https://mmszke.hu/files/file/vidifitaresenipozavenexax.pdfIn PDF document text
- https://betenrealestate.com/sites/default/files/file/94406054291.pdfIn PDF document text
- http://probeg2000.ru/files/userfiles/files/kuwilobudimaxibesegitaga.pdfIn PDF document text
- http://pwmtqatar.net/userfiles/file/17502869380.pdfIn PDF document text
- http://ldksolar-officialliquidation.com/userfiles/files/27932675406.pdfIn PDF document text
- https://kiptep.ru/file/46485177039.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bd69ea2b053---pofedaroridipiligepesiv.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16099834569d00---donuzefov.pdfIn PDF document text
- http://goodtraefarm.com/ckupload/files/nuvipelebakefala.pdfIn PDF document text
- https://firsatoyun.com/calisma2/files/uploads/faxixadimomu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=calculo+integral+por+partes+pdfPDF link annotation
- https://www.thc.gda.pl/ckfinder/userfiles/files/80050295620.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d196.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD196 | 20564 bytes |
SHA-256: 2fddcabbb5a9b4506b1b00eab9350ff0a9dd3656dc950c02e901faa69adaf82f |
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font_01_sfnt_off00010636.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10636 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E4D | 10928 bytes |
SHA-256: fa089dd7bbe2c9bbd220ca6790b38467be41d6fbabe8a5bd0a9327cf3c06bc20 |
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