MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a link farm with numerous external URIs pointing to potentially untrusted domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for a collection of links, suggesting an attempt to distribute or obscure malicious content. While no scripts were extracted, the structure and URL patterns strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 5
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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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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 http://langeline.com/ckeditor/upload/files/kavuwilukedixakijixe.pdf In PDF document text
- https://totounited.com/contents/files/21798388120.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/lugaleximexuzere.pdfIn PDF document text
- http://monteconsultants.com/image/upload/File/pezuni.pdfIn PDF document text
- https://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/30603011804.pdfIn PDF document text
- https://presentkompaniet.com/img/content/file/wugojibabutarobedaba.pdfIn PDF document text
- http://hotelborgodeipoeti.com/userfiles/files/nalidulavi.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1418603ad---tezewodipovef.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/5737591783.pdfIn PDF document text
- http://registermycompany.in/admin/userfiles/file/jupubefa.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/12311100258.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16139f9c186ca2---lobojobipilajebonaxo.pdfIn PDF document text
- http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/10075347741.pdfIn PDF document text
- https://paperland.bg/uploads/file/3945386117.pdfIn PDF document text
- http://www.prctech-th.com/ckfinder/userfiles/files/zaganuvodevu.pdfIn PDF document text
- https://gruntbudowa.pl/files/file/37224898383.pdfIn PDF document text
- http://latiendasegura.com/contable_prueba/userfiles/file/2714475148.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210908140714.pdfIn PDF document text
- http://scsytech.com/upload/files/lexoladuwiroxivodugikum.pdfIn PDF document text
- https://www.karelo.com/uploads/File/sazimefevezaxerena.pdfIn PDF document text
- https://rafautama.com/uploads/file/65911171124.pdfIn PDF document text
- https://lifeteacher.tw/uploads/files/202109122047124379.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=9+degrees+f+to+cPDF 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_off0000ca56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA56 | 10320 bytes |
SHA-256: 1dae13fa1384cd255f31654c55c48bd5bcdf3cc261dc4cbcd6e96688a71a0934 |
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font_01_sfnt_off0000e183.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE183 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f995.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF995 | 18020 bytes |
SHA-256: a0e5672d027953c3b70593d8830ba54438a0d2590ebfa45efa0b38784054f0f1 |
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