Malicious PDF — malware analysis report

Static analysis result for SHA-256 e495f6227c902559…

MALICIOUS

PDF

79.3 KB Created: 2020-12-18 11:03:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: bc267c39a3527151ff5285cfa2ce0bed SHA-1: 9b91e504570e4d2bb399914c9ad86d5d818fe796 SHA-256: e495f6227c90255938580df9334ad97d117e8ba462bd517924d6beae05d9a5c6
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://traffking.ru/123?utm_term=ph+of+salt+solutions+worksheet+answers+physical+science+if8767 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4366360/normal_5f97a46fa613b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411919/normal_5fa91a898657f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/gurowozenupifi/62284372809.pdfIn PDF document text
    • https://s3.amazonaws.com/vuzotisenixava/82149043812.pdfIn PDF document text
    • https://s3.amazonaws.com/kevava/ridak.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0f73d1c8c741314321d77/t/5fc40e349b1ed035385bca92/1606684214970/pipe_organ_frequencies.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0bebbcd1e280355d37542/t/5fcd20b0f94b6402b221ab79/1607278772718/aldo_chunky_cat_eye_sunglasses.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7fe700fd-0b6c-4f78-986c-b79c18823a5c/72874021933.pdfIn PDF document text
    • https://s3.amazonaws.com/lezerawe/sports_streaming_app_android_tv.pdfIn PDF document text
    • https://s3.amazonaws.com/sojebelevenex/breitling_exospace_b55_user_manual.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e62d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE62D 5672 bytes
SHA-256: d0120d99c71e2e165b75b721e73786e34767649b4bb7bd262016d5dfc3debb97
font_01_sfnt_off0000f98e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF98E 12232 bytes
SHA-256: 94877928241dd734cf1ebd99267a8589f4b9ee01efc6cbe97b7d2a12a1fe7579
font_02_sfnt_off00012207.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12207 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71