MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous external links, including one to a potentially malicious URL, and a heuristic firing for a 'download button' lure suggests a phishing or social engineering attack. The document's structure and embedded links point towards an attempt to redirect users to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://zhodnoceni-penez.cz/is/images/FCKeditor/File/49325106314.pdf In PDF document text
- http://copy2d.com/ftp/image/file/tagogiwosilibip.pdfIn PDF document text
- https://gbp.dropship-online.com/userfiles/files/37375585996.pdfIn PDF document text
- https://thic.net/plugin/ce1/ckfinder/userfiles/files/97937143851.pdfIn PDF document text
- http://serting.eu/userfiles/files/46273533584.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/jomafufowewe.pdfIn PDF document text
- http://vxclouds.com/userfiles/file/61429134225.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612f620329d15---94282869156.pdfIn PDF document text
- http://kibbkw.com/uploads/file/92702591314.pdfIn PDF document text
- https://fotobolfestmeny.hu/mvc/userfiles/file/zobabifukakanozo.pdfIn PDF document text
- https://hoavily.com/uploads/files/81948014465.pdfIn PDF document text
- https://tectrongim.com/uploads/files/fatum.pdfIn PDF document text
- https://alident.centralcms.cloud/galeria/files/xusibapov.pdfIn PDF document text
- https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/43551074811.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/migobulupigiseluwanujuj.pdfIn PDF document text
- https://www.jdconstinc.com/ckfinder/userfiles/files/22180862700.pdfIn PDF document text
- http://exosushi.com/uploads/files/vifemadufepupas.pdfIn PDF document text
- http://criminisiepartners.it/userfiles/files/59466932630.pdfIn PDF document text
- http://cn-biyoute.com/d/files/44611490893.pdfIn PDF document text
- http://geose.ru/userfiles/file/4697526183.pdfIn PDF document text
- http://ceskylakros.cz/userfiles/file/dadezevetedepilutunaxan.pdfIn PDF document text
- https://ddnepal.com/assets/userfiles/files/16337916197.pdfIn PDF document text
- https://cantellodetersiviprofessionali.it/uploads/file/figajuxajewimalariwex.pdfIn PDF document text
- https://actionsporting.com/userfiles/files/7498797287.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/17655642750.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=the+shining+ebook+downloadPDF 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_off0000cda0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDA0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e5b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5B7 | 10612 bytes |
SHA-256: 85c56b3c981b28f63cba70e1e2d3c36c9ae509be4ee806f9473298ca213881b0 |
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font_02_sfnt_off0000fdb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB8 | 17020 bytes |
SHA-256: ee0568ee670901d5628643bbe38cb76d55e0f9cc8c0b34846b08d086cb3cb6f0 |
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