Malicious PDF — malware analysis report

Static analysis result for SHA-256 e20dac3bba1ece98…

MALICIOUS

PDF

71.7 KB Created: 2020-12-17 03:32:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 48d7e37277b34b6de4abcb5c0a1321ad SHA-1: 2742de06f2b51cd2aafc3c5e7c5d416da3aae4f5 SHA-256: e20dac3bba1ece9862d4fd36a77acf9af8a85dcaaf79500e93fef25594b6b1c2
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was detected as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The document body, though heavily obfuscated, contains text related to 'Rise of Skywalker watch online stream', suggesting a lure. The embedded URL 'https://trafffe.ru/strik?utm_term=rise+of+skywalker+watch+online+stream' is the primary indicator of compromise, likely leading to a malicious payload or phishing site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://trafffe.ru/strik?utm_term=rise+of+skywalker+watch+online+stream PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4477863/normal_5fc47a1aa8aef.pdfIn PDF document text
    • https://lewelekokoje.weebly.com/uploads/1/3/4/3/134333059/zexasaxokibulosoz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4478146/normal_5fcae7dcc1d64.pdfIn PDF document text
    • https://bapoxaluw.weebly.com/uploads/1/3/4/7/134717037/3af0492767d6.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fc5729540f1034a5cc777a2/t/5fcffbe464d5ea3c991dfcb3/1607465956331/zajeribedojiguxuxepipul.pdfIn PDF document text
    • https://s3.amazonaws.com/tajimipojimo/tofozu.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf58424f98375720d76b8f/1606375491641/harry_potter_pillow_pottery_barn.pdfIn PDF document text
    • https://s3.amazonaws.com/ropuba/27976991576.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd040d3ca23154c95c69ca/1606222863970/w_c_meaning_in_text.pdfIn PDF document text
    • https://s3.amazonaws.com/wapabefizosumi/auditoria_de_tecnologas_y_sistemas_de_informacin.pdfIn PDF document text
    • https://s3.amazonaws.com/pazifetanegapu/vatican_ii.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5d63fe2fce462bcadc7f8/t/5fc997169309303fb82a7f81/1607046934736/surezixezojaxeroz.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc730841969b523a41f6cce/t/5fcea794c9e0980240255381/1607378836986/47610487500.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_off0000d8bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8BD 5384 bytes
SHA-256: be2317c264b249934ac1b6770b267f5e401fd45dc56256f5ecd906fe00cc5283
font_01_sfnt_off0000eb05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB05 11712 bytes
SHA-256: adfe796ae1bbe210951968c12c37916129a11cebb1555002ee02d28c12492268

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