Malicious PDF — malware analysis report

Static analysis result for SHA-256 26b1567d2dc83c02…

MALICIOUS

PDF

69.4 KB Created: 2020-12-19 02:19:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: c5dcb19ed7747e333f3d92d0a26fe140 SHA-1: e6ccf091890599546c2c17be1183f5a19b6a5b24 SHA-256: 26b1567d2dc83c027f5943935df024c55d9e4ea6d906366d68597cf8c41e6986
96 Risk Score

Malware Insights

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

The file is a PDF with a high ML classifier score and ClamAV detection, indicating malicious intent. It contains an embedded URI pointing to 'trafffe.ru', which is likely a phishing or malware distribution site. The document body, though truncated and obfuscated, suggests a lure related to 'Destiny 2' to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://trafffe.ru/strik?utm_term=destiny+2+ikelos+shotgun PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4494166/normal_5fc9e3bdbbbf0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449777/normal_5fb671a2df9fa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403951/normal_5fd34c8015157.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367311/normal_5f88ad5f71965.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416923/normal_5fba4f34852d7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4415742/normal_5fced3f621cfc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388842/normal_5f8f55c064324.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417221/normal_5fcd9aa3edf76.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4389603/normal_5fdd31c5cc23f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • https://static1.squarespace.com/static/5fc7b078418d7934ac789744/t/5fcb3c0f21c0486e91917b03/1607154703952/launcher_hijack_5_second_delay.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcfd3eef3361272aec423d/1606221120537/tc_helicon_voicelive_touch_2_manual_french.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd2da1c23b2b0938fb50a2/1606233510892/66614403339.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
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bf0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBF0C 4936 bytes
SHA-256: 82e449f0ffbf4fef3a83520eca192d636f8e5cae1daaaea9f61395e685f7c17c
font_01_sfnt_off0000cfe8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCFE8 7552 bytes
SHA-256: 11d5a15467a194a38ed069f2053ef51291a196bffd9f94ad740507c5a45e5e22
font_02_sfnt_off0000e46e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE46E 9940 bytes
SHA-256: bad9a162932cc8ebdc7d5dbe89bf029ee693a14a4b1ed2036e6d54f80190cef7

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