MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, suggesting it's part of a link farm or phishing campaign. The presence of 'cmdL' in the document text hints at potential command execution or a lure to download a malicious executable. The primary malicious activity appears to be directing users to external URLs, likely for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://resalured.ru/123?utm_term=bartleby+el+escribiente+pdf+espa%25C3%25B1ol PDF link annotation
- https://static.s123-cdn-static.com/uploads/4417405/normal_6001d5e42ac9d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495413/normal_60201a1dd735e.pdfIn PDF document text
- https://cdn.sqhk.co/vavetiset/QijBXIF/newsletter_design_template_free.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449776/normal_5ffaae922a217.pdfIn PDF document text
- https://cdn.sqhk.co/wogokodu/j2gcmdL/my_cloud_mirror_download_setup_software.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4456128/normal_5ff68c1409ed8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483345/normal_600af6741c367.pdfIn macro / runtime command snippet
- https://cdn-cms.f-static.net/uploads/4458826/normal_604680212d38e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404490/normal_604ae321425cc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481065/normal_600ed5b964b04.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387408/normal_5fd6231464450.pdfIn PDF document text
- https://cdn.sqhk.co/bupewazadufa/hfSXdgc/63700322313.pdfIn PDF document text
- https://cdn.sqhk.co/vonitumefide/3ijgfoA/diabetic_retinopathy_guidelines.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464525/normal_5fee0575d4e2f.pdfIn PDF document text
- https://cdn.sqhk.co/topazawu/5jj06ii/feperegidogolix.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471945/normal_603f1f07f183b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451545/normal_604102f492510.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4499283/normal_600739fa68989.pdfIn PDF document text
- https://cdn.sqhk.co/fuluzagile/5tjhZie/duck_life_5_treasure_hunt_no_flash.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a581e706-3bf6-41fb-8978-ad4d4077590d.filesusr.com/ugd/afbe6b_12b75a6d9ae74adeba0f2c2ea6c59c13.pdf?index=trueIn PDF document text
- https://2a07c75e-e898-48ba-b326-4cccc82d0599.filesusr.com/ugd/ff154e_2125de07db044126aadfce74ce989474.pdf?index=trueIn PDF document text
- https://436240a4-ef10-404e-ad90-c5cab949c7af.filesusr.com/ugd/3fb742_6277d87120dd485da3a4eddac139e440.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011403.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11403 | 5652 bytes |
SHA-256: 9d79fee8b04468d3d278143a20343b1bb7d2a7238de449fca23acce84edfada9 |
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font_01_sfnt_off00012709.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12709 | 12432 bytes |
SHA-256: 90196f8703e18de68c836b4cc6d955e18002ea08d7626eff28800c0345465364 |
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