MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier. Heuristics indicate it functions as a link farm, pointing to multiple URLs hosted on potentially compromised CMS platforms or disposable hosting. These links likely serve as lures for phishing or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://tjtvina.com/Upload/files/77222982412.pdf In PDF document text
- http://theheavent.com/userfiles/files/7033066838.pdfIn PDF document text
- https://akapacha.com/userfiles/file/vizegurukobobajikexinujom.pdfIn PDF document text
- http://bourgogne.annuaire-regional.com/ckfinder/userfiles/files/15124495945.pdfIn PDF document text
- http://trungtamdaykem.vn/Images_upload/files/titevajidixomomudiva.pdfIn PDF document text
- https://weeb.nu/userfiles/file/ranenemif.pdfIn PDF document text
- http://hfnhsw.com/upload/files/menafozax.pdfIn PDF document text
- http://scsychem.com/upload/files/29555478630.pdfIn PDF document text
- https://basundharamart.com/userfiles/file/zegusikijomezo.pdfIn PDF document text
- http://sivam.pl/files/file/vudexe.pdfIn PDF document text
- http://gojjang.com/uploads/files/38592736387.pdfIn PDF document text
- https://ever-progress.dacola.com/upload/files/60546841754.pdfIn PDF document text
- https://costarica4d.com/contents/files/6426641070.pdfIn PDF document text
- https://abisspaandboutique.com/nbloom/fckuploads/file/76177620356.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/pboe2l9ovftfl8m8pbg1hajf10/27160642093.pdfIn PDF document text
- http://lynxauto.ru/userfiles/file/wamem.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147172fd1c3d---14970480400.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/33aacef48d09c78030ee7d6a28ce2a62/87381224642.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///bimoburakide.pdfIn PDF document text
- https://thucphamtruongxanh.com/Upload/files/52159822054.pdfIn PDF document text
- http://ytbozhuo.com/upload/file/030029569153.pdfIn PDF document text
- https://ebus.myskoolapp.com/FCKeditor/FCKimgUpload/file/matarurulekopis.pdfIn PDF document text
- https://nmg.lv/img/uploads/files/27405556716.pdfIn PDF document text
- https://aqua2go.pl/galeria/file/remib.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=language+toolkit+3+answersPDF link annotation
- 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_off0000af88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF88 | 15788 bytes |
SHA-256: 6a9871b0ca0f0487c285a0620353bf6b80f651787d34ad332b4b49b0a2613ae1 |
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font_01_sfnt_off0000d7bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7BB | 10688 bytes |
SHA-256: 9f7f573ee3a31af93979e030b38e4a27982060fb412b39def277855f4d34cc34 |
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font_02_sfnt_off0000f07f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF07F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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