MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with one specifically noted as a link farm designed to redirect users to potentially harmful content, indicated by the 'utm_term' parameter suggesting a lure. The presence of multiple disposable hosting links further supports a malicious campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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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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://pistant.ru/uplcv?utm_term=robux+free+generator+no+verification PDF link annotation
- http://richardchong.com/userfiles/files/babanukunatupewadagepaje.pdfIn PDF document text
- https://liur-krd.ru/userfiles/file/48727029421.pdfIn PDF document text
- http://basumati.com/app/webroot/ckfinder/userfiles/files/19291628308.pdfIn PDF document text
- http://machin.kr/userData/board/file/xajuven.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea8d06e90a---pevakokene.pdfIn PDF document text
- http://sicilyontable.it/userfiles/files/4549551417.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/39482656303.pdfIn PDF document text
- http://dintainoodle.com/uploads/files/90315445152.pdfIn PDF document text
- https://nonbodepsg.com/uploads/files/90568916534.pdfIn PDF document text
- http://denge.aero/upload/files/77537300640.pdfIn PDF document text
- http://ms-krmelin.cz/app/webroot/files/files/93638209590.pdfIn PDF document text
- https://granitabrasive.com/editor_up/94102009066.pdfIn PDF document text
- https://sanipro.ma/app/webroot/uploaderfiles/lotixajivituluvejugararub.pdfIn PDF document text
- http://atanasijornet.net/uploads/ckfinder/files/11530208196.pdfIn PDF document text
- https://crownprolaw.cn/userfiles/Proj_Name/files/51177455844.pdfIn PDF document text
- http://wamer.org/userfiles/file/77355040003.pdfIn PDF document text
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/jonopiva.pdfIn PDF document text
- http://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jusuxugunafivezekukax.pdfIn PDF document text
- http://gomientrung.vn/uploads/image/files/fosetizikobujidosidab.pdfIn PDF document text
- http://teknis.it/userfiles/files/wijepaliwotebexokokelom.pdfIn PDF document text
- http://vatlieubaooncachnhiet.com/userfiles/file/98288274874.pdfIn PDF document text
- https://abandassociates.com/ckfinder/userfiles/files/29990323860.pdfIn PDF document text
- http://ateliergermain.club/sites/default/files/file/4038358942.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_off0000b409.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB409 | 17456 bytes |
SHA-256: 1f763588aa36f30f8caa286a3dbaf0d70fcd712e834a038c21494d6cb288f149 |
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font_01_sfnt_off0000e15e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE15E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF975 | 10748 bytes |
SHA-256: 15de7b16b36f470c0d2a82c6a1b2a0826faa2b0515d2b9d57dce0f56d1a87264 |
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