MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URIs pointing to various domains, some of which are associated with compromised CMS uploads or disposable hosting. The 'utm_term=download+reface+app+mod' parameter in one URL suggests a lure for users seeking specific applications, potentially leading to phishing or malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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 https://ketchas.ru/uplcv?utm_term=download+reface+app+mod PDF link annotation
- http://motorlustor.net/userfiles/file/sowawesosinuwive.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/mdibju293q7jm8du6jo8dmu175/ruvusinemeladi.pdfIn PDF document text
- http://kozelsk-adm.ru/files/uploads/files/bapudazet.pdfIn PDF document text
- https://lose-weight.tw/upload/files/vevamezefenax.pdfIn PDF document text
- http://hoshitorionline.com/uploads/files/3871217536.pdfIn PDF document text
- https://wheelmartthailand.com/image/upload/File/32288031878.pdfIn PDF document text
- https://euro-m.si/web/dokumenti/file/90887513393.pdfIn PDF document text
- https://himalayanthailand.com/image/upload/File/woniwujum.pdfIn PDF document text
- https://crcnueva.naturasoftware.com/uploads/images/files/dumewukezebopogesugenovu.pdfIn PDF document text
- https://pcetravel.com/files/file/nigufu.pdfIn PDF document text
- http://italianopizzeria-pg.com/uploads/files/72115546340.pdfIn PDF document text
- http://capitaldanceacademy.com/userfiles/files/nolimobaxosazebavunopiwo.pdfIn PDF document text
- http://jiab.net/userData/board/file/xotitujajisolan.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613ca850cf707---rilevazubopibulujumuwib.pdfIn PDF document text
- https://altaamir.ipixpms.com/Rapport/public/assets/ckfinder/userfiles/files/72305217946.pdfIn PDF document text
- https://toolsatool.com/userfiles/files/tabepefufude.pdfIn PDF document text
- http://salt17.com/userfiles/files/32652479390.pdfIn PDF document text
- https://angelsolutions.ro/ckeditor/ckfinder/userfiles/files/25417588508.pdfIn PDF document text
- https://spvi.cn/filespath/files/20210908092538.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/2f62ce43f6e098174976581e587b904c/62016521334.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132190b55008---61473304935.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_off0000b1dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1DD | 17036 bytes |
SHA-256: 42718524be156b9003b7336ae03fb1cdcf9c41137299ad469065e81bd39d86a1 |
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font_01_sfnt_off0000de44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f65b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF65B | 10508 bytes |
SHA-256: 8328dcb34ba452d27dcee94118500a6a2136e799512de47804dd2929b0b5e6a3 |
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