Malicious PDF — malware analysis report

Static analysis result for SHA-256 10117b3c50f4346e…

MALICIOUS

PDF

69.2 KB Created: 2020-12-17 06:40:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 0019de4d96cde4ac898985e37533d1db SHA-1: e0ad0c88af612646bb66919247ec42d4e2e8da5f SHA-256: 10117b3c50f4346eebbbb569f813ea273ee1ffa62181dba9f29dbf7b7e708931
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a known malicious redirector, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded malicious URL point towards a phishing lure disguised as a document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://traffmen.ru/123?utm_term=mla+letter+format+for+aadhar+card In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/regegozumekoza/76073385552.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc57e843398ff75154ce56f/t/5fc716aa09f4d56e8f7d724c/1606882990274/98975189912.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc652cfd49dd124475963de/t/5fc6b5035fecd2174b44dba5/1606857990700/82406984515.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5c01b2e537a05ef2a3bf4/t/5fd6a9540f11661d4c371037/1607903573352/zegixukibowoxovopa.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc27d2011f6a419848fbce5/t/5fce32679aa2de0c64be3ffb/1607348840417/new_york_city_fc_schedule.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbdef0e3c02f22b9dd218cc/1606283022748/nepabobubevura.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc6ca6faa0dc1643a2d2575/t/5fcaa39e6ab1a7206db99ff4/1607115678196/32888519438.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc00874a5bc066edfa0f7a0/t/5fd1a2e1871f8c6e5958b84c/1607574242758/tanglewood_middle_school_dress_code.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc670f98ef7301f8b370534/t/5fd6c6e3ab1a676c729df007/1607911140104/cambium_epmp_1000_datasheet.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e701bda9c57a97be38be/t/5fc1542b5147b1480464ea6d/1606505515282/64196758616.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3c9fb57b-ab82-444c-94d9-87144a79cfd1/6270637811.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbfdb415687f52b6b7b2913/t/5fc2cda8a97599144e546918/1606602155096/8696090104.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.

FilenameKindSourceSize
font_00_sfnt_off0000d3a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3A5 5088 bytes
SHA-256: b2ba36f7a7fb15a122bc65af35853c20423ba6e90f581dba5008c05948b38bfa
font_01_sfnt_off0000e4d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4D3 10500 bytes
SHA-256: 6332abfada7ddd6f6e7da8381323a8ccf908a7fbeb903268f7cc24636f709944

Open this report in the interactive analyzer, or submit your own file for analysis.