MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or trojan delivery mechanism. The presence of numerous embedded URLs, many pointing to disposable domains, suggests a link farm designed to obscure the ultimate destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically indicates this behavior, with the 'utm_term' parameter in one URL hinting at a lure related to Windows 7 Pro ISO downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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 http://e-menu.hu/editor_up/75498057588.pdf In PDF document text
- http://embody.box8websites.com/ckfinder/userfiles/files/5998754865.pdfIn PDF document text
- http://residencelesaline.it/userfiles/files/nofunukibib.pdfIn PDF document text
- http://boek.se/bilder_umeny/File/12311103022.pdfIn PDF document text
- http://bosch-elektronarzedzia.pl/catalog/file/turonumimutebo.pdfIn PDF document text
- http://hzzxtl.com/UploadFile/file/20210910235300132.pdfIn PDF document text
- https://bimstudioinc.com/media/files/xigavebimo.pdfIn PDF document text
- http://biometria.pl/photos_fck/file/pibefuzoburifabono.pdfIn PDF document text
- http://malifer.hu/upload/file/torizanoxotovibivix.pdfIn PDF document text
- https://andrejc.si/files/file/mefonowik.pdfIn PDF document text
- http://cmtoolsrental.com/user_img/files/juwonapametafajobataxezuk.pdfIn PDF document text
- http://yjbiotech.cn/upload/files/87402491201.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/h3g828ubt8lmiamibeie4fibj2/88460243341.pdfIn PDF document text
- https://posaonakosovu.com/ckfinder/userfiles/files/29981600522.pdfIn PDF document text
- http://gro-felix.si/uploads/21313891053.pdfIn PDF document text
- http://pokemom2.com/uploads/files/wiziletetodo.pdfIn PDF document text
- http://fullerton.kopanramen.com/uploads/files/83148556538.pdfIn PDF document text
- http://youngshiny.com/userfiles/file/1630615371.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef813b80ca---wisojopavijabusev.pdfIn PDF document text
- http://3suntech.com/UploadFile/file/20210902053835762.pdfIn PDF document text
- http://hcvitamin.com/webroot/img/files/34993200102.pdfIn PDF document text
- http://stavebnevyrobky.sk/www/upload/files/13140015180.pdfIn PDF document text
- https://hongming-eco.com/userfiles/file/26336539267.pdfIn PDF document text
- http://yer-krasnodar.ru/ckfinder/userfiles/files/bijotilukekodawowag.pdfIn PDF document text
- http://mkpstroitel.ru/upload/files/larijos.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/wasiwaxonovolota.pdfIn PDF document text
- https://www.tahitotfaluovodak.hu/ckfinder/userfiles/files/86673363088.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=windows+7+pro+x86+isoPDF 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_off0000cc54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC54 | 19456 bytes |
SHA-256: c9cc5364a3cddf66f4fcb85b6ad97bf706f484c6fda9bd964a98a7465c94fedb |
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font_01_sfnt_off0000ff96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF96 | 10552 bytes |
SHA-256: 95444f874e01599b9407e63dd678236701a23cf3cd3553bb7917fb88bb324f8a |
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font_02_sfnt_off000117cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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