PDF malware analysis — malicious · 0465fe5c57715bfd

MALICIOUS

PDF

77.4 KB Created: 2021-02-11 03:11:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16

MD5: ed7d37ad379a79daa82ffbd204032228 SHA-1: 4155e53582908e9c5d88b658e566438b5e693de6 SHA-256: 0465fe5c57715bfd321a42b78dbecf05bc9318d4d83d0eda1b535fe3cb0fda81

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The embedded URL 'https://baarspo.ru/123?utm_term=the+gilded+age+a+tale+of+today+sparknotes' strongly suggests a phishing attempt to redirect the user to a malicious site. The ML classifier also indicated a high probability of maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://baarspo.ru/123?utm_term=the+gilded+age+a+tale+of+today+sparknotes PDF link annotation
- https://static.s123-cdn-static.com/uploads/4461232/normal_5ff86631f16fd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383681/normal_5fd0f491ba0ed.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403283/normal_601f544c8264b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374835/normal_5ffb8c0cb7195.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373271/normal_5fc6111ab5751.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wukara/ocean_animal_coloring_sheets.pdfIn PDF document text
- https://s3.amazonaws.com/leteraxewe/gartner_studios_template.pdfIn PDF document text
- http://gezexibubaju.rf.gd/lidawogupukejobegutu.pdfIn PDF document text
- https://s3.amazonaws.com/vuraradaso/72353779809.pdfIn PDF document text
- https://s3.amazonaws.com/xalexojaxipud/source_2_engine.pdfIn PDF document text
- https://s3.amazonaws.com/rotowan/guide_trophe_the_flame_in_the_flood.pdfIn PDF document text
- https://s3.amazonaws.com/vigevot/game_pangya_online.pdfIn PDF document text
- https://s3.amazonaws.com/purawuma/25235611213.pdfIn 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_off0000f158.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF158	5416 bytes
SHA-256: `03f143dc8f2400f7971acc8e5fb6bb4dc8105336ce0ec67ef2d3ea2946cd5ff3`
`font_01_sfnt_off000103d4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x103D4	10752 bytes
SHA-256: `23a6909065a5cd43112bb4896788ae430b8d9c47c1cfefa7cb7088dfd5b85c7e`

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