MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external URLs, many pointing to disposable domains and employing UTM parameters, suggests a phishing or malware distribution campaign. Although no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://laborke.ru/uplcv?utm_term=ea+games+for+android+offline PDF link annotation
- http://viviapalermo.com/userfiles/files/wolifasidimovukuduvevuja.pdfIn PDF document text
- http://plkorea77.com/ckupload/files/80915444751.pdfIn PDF document text
- http://xn--h49al71atridzo.com/userData/board/file/musigojumakiwurele.pdfIn PDF document text
- https://beautydiction.com/ckfinder/userfiles/files/16417422956.pdfIn PDF document text
- https://www.highettmetal.com.au/application/third_party/ckfinder/userfiles/files/32291720214.pdfIn PDF document text
- http://www.forteks.com.br/admin/ckeditor/ckfinder/userfiles/Images/seresomiwaduzugevuwiw.pdfIn PDF document text
- http://ks-klinika.ru/ckfinder/userfiles/files/37554543923.pdfIn PDF document text
- https://thefertilizerproductionline.com/d/files/71155207669.pdfIn PDF document text
- http://strap.sk/uploads/file/koxisakezevomip.pdfIn PDF document text
- https://czus-lukasa.sk/userfiles/file/71744573042.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16143a314828a2---pozemanozabufeka.pdfIn PDF document text
- http://inventory-acepipe.com/images/uploads/files/dusaxebiwonajuzexi.pdfIn PDF document text
- https://sandipkumardutta.com/ckfinder/userfiles/files/72602258785.pdfIn PDF document text
- https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/20861429476.pdfIn PDF document text
- http://gaushalango.com/uploaded_files/userfiles/files/zobudifirowu.pdfIn PDF document text
- http://www.kotolantopeni.cz/files/kafalepirozilux.pdfIn PDF document text
- http://benetalent.com/upload/files/bubasajepozajetud.pdfIn PDF document text
- http://chinahongji.com/d/files/75989667086.pdfIn PDF document text
- http://velomagazin.hu/UserFiles/file/41286377291.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/juxiworiw.pdfIn PDF document text
- http://fohow77.ru/upload/file/vuwelidowabuwifiwepen.pdfIn PDF document text
- http://www.fashiongale.ro/userfiles/files/kulakurukabezaxole.pdfIn PDF document text
- https://nezamirekhaseafoods.com/userfiles/file/55655114490.pdfIn PDF document text
- http://geraldinekilkelly.ie/67846849322.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/e064c3e36f21162895a1e4effa08f331/68711393714.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b1e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1E0 | 18100 bytes |
SHA-256: b9dc2ab12c4758d66475ebedb3bdc731c128eccbc789b5302b85a0ef515f9ac0 |
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font_01_sfnt_off0000cd78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD78 | 16172 bytes |
SHA-256: c28633e81f194fe513eaefbe103f720698d6182d9bada766b82bdeafce0f38a7 |
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font_02_sfnt_off0000f683.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF683 | 10580 bytes |
SHA-256: 7bb39a160afa23064cbe86785e7d67f2433f8c801f73cb19124c72ebd0ce4fb2 |
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font_03_sfnt_off00010e5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E5F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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