MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains obfuscated content and numerous embedded URLs, with a high ML classifier score and ClamAV detection indicating malicious intent. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM suggests a link farm designed to obscure the true destination, likely for phishing or scam purposes. No scripts were extracted, but the PDF structure itself is indicative of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://leifs-auto.dk/images/file/xumidusidunugapolufopodag.pdf In PDF document text
- http://j1ent.com/userfiles/file/20210914091039.pdfIn PDF document text
- https://100tmt.com/uploadimage/files/20210908045123.pdfIn PDF document text
- http://enotecagaribaldi.it/userfiles/files/72663434444.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ffc31beac2---sagivunoba.pdfIn PDF document text
- http://lehnerkom.de/images/uploaded/file/8087817741.pdfIn PDF document text
- http://naim.naparts.com/images/fck/file/zezubufilejefaditafukuvas.pdfIn PDF document text
- http://mylodge-naoshima.com/images/blog/file/lufibi.pdfIn PDF document text
- http://touristclub.in/userfiles/file/ginov.pdfIn PDF document text
- http://sakaryakasaplarodasi.org/userfiles/file/29450682915.pdfIn PDF document text
- http://dienvietbac.com/uploads/files/jepesutulit.pdfIn PDF document text
- https://jetaime-shop.com/files/35951262200.pdfIn PDF document text
- https://talenthunt.biz/userfiles/file/99848361151.pdfIn PDF document text
- http://transportdiverse.com/uploads/files/mokuxenosi.pdfIn PDF document text
- http://ipublicity.cz/data/file/siwujemotir.pdfIn PDF document text
- http://webinaris.eu/ckfinder/userfiles/publics/files/betobitakewikopiwu.pdfIn PDF document text
- https://fallsplat.se/bildbank/file/10875442294.pdfIn PDF document text
- http://nenorm.com/files/files/936727254.pdfIn PDF document text
- https://uat-tunisia.com/userfiles/file/55742713238.pdfIn PDF document text
- http://studiomuraca.eu/userfiles/files/xowagadopelokimupiwat.pdfIn PDF document text
- http://jodhpurheritagewalk.com/images/file/kosejuzebiwepanom.pdfIn PDF document text
- https://designmaster.in/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/gufovevofuzuxesedo.pdfIn PDF document text
- http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/32432286888.pdfIn PDF document text
- http://idrogastermoclima.it/Utentifile/FCKPage/file/ramanapafebixinowutif.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=friv+bus+gamesPDF 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_off0000c545.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC545 | 16936 bytes |
SHA-256: 4923139f4a78efbd1d4e25826ae11b2f640ef48e6ef3499936ecd087da3fcaf0 |
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font_01_sfnt_off0000f0e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000108fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108FD | 10364 bytes |
SHA-256: 1213fac9c09019a50db18e8e8b9867c42c5028ec7439c6686489e3990f02f150 |
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