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 for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of numerous external URIs, many pointing to disposable domains and acting as a link farm, suggests a phishing or malware distribution attempt. While no scripts were explicitly extracted, the PDF structure and URI findings strongly indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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=anonymous+browser+android PDF link annotation
- http://pointerboards.com/uploads/admin/files/99668863593.pdfIn PDF document text
- http://tsrmvolontari.it/userfiles/files/butulusizurijofafo.pdfIn PDF document text
- https://mintedimages.com/ckfinder/userfiles/files/68702200.pdfIn PDF document text
- https://ibextrail.com/editor-images/29803280306.pdfIn PDF document text
- http://asbu.net/uploads/FCK_files/file/33726232397.pdfIn PDF document text
- http://metaglas.kr/userData/board/file/nidapogowusezojamafujutew.pdfIn PDF document text
- http://senseoftourism.dk/userfiles/file/famodiwo.pdfIn PDF document text
- https://cissud.it/uploads/ck_editor/files/72837671866.pdfIn PDF document text
- http://wumag.pl/userfiles/file/77217320829.pdfIn PDF document text
- https://konteshamamotu.com/userfiles/file/kilabemoxowemomapev.pdfIn PDF document text
- https://pr-dienst.ch/file/14451195587.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365ebabe18f---55056678577.pdfIn PDF document text
- https://sfeerweter.nl/userfiles/files/basorunutajazusuneju.pdfIn PDF document text
- http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/15388067488.pdfIn PDF document text
- https://soechi.net/userfiles/file/46682498887.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/6ae4161278f238c930d728fed234f414/5629098424.pdfIn PDF document text
- http://domplus.su/userfiles/files/46531652984.pdfIn PDF document text
- http://supair-lux.hu/ckfinder/userfiles/files/xibudaguxikajobefu.pdfIn PDF document text
- http://jongauger.com/ckfinder/userfiles/files/vetow.pdfIn PDF document text
- https://www.oalysa.cz/ckfinder/userfiles/files/lokizamefawugem.pdfIn PDF document text
- http://svsteinfurth.de/radsportfiles/file/jekonalusafeso.pdfIn PDF document text
- http://bwemfjhjk.friend-match.com/upload/files/zunorezuxuw.pdfIn PDF document text
- https://namhunglogistic.vn/site/files/mujezosivakopovamog.pdfIn PDF document text
- https://1snrpaulista.com.br/ckfinder/userfiles/files/27987701328.pdfIn PDF document text
- https://ensegun2.com/ckfinder/userfiles/files/xonazusamaju.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_off0000eedc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEDC | 17396 bytes |
SHA-256: d250d16cd91957ab58bba6ca92b84a746e41d808db4b9b2f6c7026fdab29c005 |
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font_01_sfnt_off00011bf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BF0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013407.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13407 | 10688 bytes |
SHA-256: f7b34024ab740b2d350b7e4469bcf087b49032f2405b1024a34e14bcf6c13995 |
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