MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, including one pointing to 'ketchas.ru' with a 'real ghost detector app download' UTM term, suggesting a lure for potentially unwanted software or phishing. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further indicates a malicious intent to distribute links across many disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://ketchas.ru/uplcv?utm_term=real+ghost+detector+app+download PDF link annotation
- http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/81661374713.pdfIn PDF document text
- http://yuilchem.com/userData/board/file/duruxobogavixarunix.pdfIn PDF document text
- http://julianina.dk/upload/file/77497992078.pdfIn PDF document text
- http://vimar.ua/userfiles/files/3254183046.pdfIn PDF document text
- https://cafepiolho.com/uploads/assets/pojirawotimetoxesewu.pdfIn PDF document text
- http://skidubravy.sk/spravca/ckfinder/userfiles/files/jirixivegem.pdfIn PDF document text
- https://imaggu.com/ci/userfiles/files/kalakopizukuxivetu.pdfIn PDF document text
- https://alternativecarrepair.nl/userfiles/file/nozamojinazimekulenelek.pdfIn PDF document text
- https://ofertaromania.ro/ckfinder/userfiles/files/narenogugorasovixunux.pdfIn PDF document text
- http://www.biosafety.biz/ckfinder/userfiles/files/2599425170.pdfIn PDF document text
- http://automozg.by/upload/editor/files/jimufuvez.pdfIn PDF document text
- http://www.wiz-fac.com/uploadImg/file/kanakunuteponasiwejex.pdfIn PDF document text
- https://radiosmile.hu/upload/file/90032426613.pdfIn PDF document text
- http://preciz.com/uploads/wysiwyg/files/20741094497.pdfIn PDF document text
- http://friulanapanini.com/images/file/7182933634.pdfIn PDF document text
- http://dlevitin.ru/fck_editor_files/files/zutisipirijokabisotoduv.pdfIn PDF document text
- http://i-p-p-c.com/ckfinder/userfiles/files/66718504927.pdfIn PDF document text
- http://nutronicltd.com/userfiles/file/59381737968.pdfIn PDF document text
- https://v-rshine.com/upload/images/files/nejunisorogazi.pdfIn PDF document text
- http://superfishinglewood.com/uploads/files/16139082630.pdfIn PDF document text
- http://td-mg.ru/uploads/files/50687554042.pdfIn PDF document text
- https://binarbaidfabrication.com/public_html/userfiles/file/lisiwejufexebaj.pdfIn PDF document text
- http://www.diplomat2014.ru/ckfinder/userfiles/files/sudig.pdfIn PDF document text
- http://aceonlinementors.com/userfiles/file/bolekovuvuna.pdfIn PDF document text
- http://jhdjt.com/images/upload/File/72513020376.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/vawijizunekulajinozudaji.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_off0000b14f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB14F | 10832 bytes |
SHA-256: 0b39bb9f64633a348d66526ad52d06965fd5fc5bfb58c9546e9dbdcb102ec545 |
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font_01_sfnt_off0000ca28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA28 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e23a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE23A | 16120 bytes |
SHA-256: f0a928191a6cdfda1495b9ab4cab9857a9b11dd11233c7dabe984ec85ec4cb20 |
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