MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://sjhrz.com/images/upload/File/12483470708.pdf In PDF document text
- https://tucarrorentacar.co/ckfinder/userfiles/files/ronefiwomotozifalili.pdfIn PDF document text
- http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/46689364732.pdfIn PDF document text
- http://saatgaamkansarasamaj.com/admin/uploads/files/masibadasuwedazemo.pdfIn PDF document text
- https://olamare.com/img/uploaded/file/87114772136.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139213d4b88d---79958597979.pdfIn PDF document text
- https://aarushimukhwas.idealviews.com/userfiles/files/87076868014.pdfIn PDF document text
- https://fertilizergranulatorprice.com/d/files/lufeparuwumubasogekoj.pdfIn PDF document text
- http://ambulatorioveterinariovianello.eu/userfiles/files/ruzejosodorawifenotoxi.pdfIn PDF document text
- https://hiddencliff.kr/FileData/ckfinder/files/20210909_0A22BBEAFACD51E5.pdfIn PDF document text
- https://brianspradlin.com/userfiles/file/64548135351.pdfIn PDF document text
- https://nonbodepsg.com/uploads/files/56406477412.pdfIn PDF document text
- http://capitolmetrophysicaltherapy.com/userfiles/file/danaza.pdfIn PDF document text
- https://rhuyscampingcar.fr/images/files/385298949.pdfIn PDF document text
- http://suchanekstomatolog.pl/files/file/88868257030.pdfIn PDF document text
- https://digicpictures.com/downloads/88837572120.pdfIn PDF document text
- https://solidpractise.com/files/userfiles/file/34852271061.pdfIn PDF document text
- https://thietkeweblongan.com/upload/files/80200772712.pdfIn PDF document text
- http://creptiles.dk/userfiles/file/60241769004.pdfIn PDF document text
- http://zjbfjt.com/upload/files/109815396.pdfIn PDF document text
- https://alpinismbihor.ro/app/webroot/files/userfiles/files/jadarixesokibixezupidet.pdfIn PDF document text
- https://tpk-m.ru/files/file/96812426424.pdfIn PDF document text
- https://toocapen.com/files/46937933473.pdfIn PDF document text
- https://triatlonshop.cz/userfiles/file/bexavolajopese.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=shadow+apk+hackPDF 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_off0000b623.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB623 | 16760 bytes |
SHA-256: 44573be30b68082f111fe7813f2074340dccb84e6c80147564d9e022909a249b |
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font_01_sfnt_off0000e17f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE17F | 10124 bytes |
SHA-256: b28927f678e76504f93dfcc38f4f33db4be619e8831c676105f6a1aa1229c6a0 |
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font_02_sfnt_off0000f84c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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