Malicious PDF — malware analysis report

Static analysis result for SHA-256 01aa2c4c26877b8b…

MALICIOUS

PDF

80.1 KB Created: 2021-03-19 22:15:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 1125bbfbc9cdbeaec988970eeadafd63 SHA-1: 5187635b4ecfc663f06dd48b97b17f03160f0b65 SHA-256: 01aa2c4c26877b8be8923e3260f253d11e1b453a5bf7c1d3cfd147bf38ac05d3
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9998

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://pelibifir.ru/award?keyword=all+bank+full+form+name+pdf PDF link annotation
    • http://nogurufegu.mygamesonline.org/20353860161.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4472495/normal_5fdce2b08ad61.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378605/normal_5fc96829c4f33.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368500/normal_6028965c15381.pdfIn PDF document text
    • https://pojajowose.weebly.com/uploads/1/3/0/8/130813819/6641053.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4483083/normal_6000d4f513646.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393751/normal_5fd13bddc6415.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417405/normal_602d7fc952f06.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486351/normal_600f6db99afc3.pdfIn PDF document text
    • https://jokenobijejadur.weebly.com/uploads/1/3/0/8/130873794/nuzasir_pareza.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413111/normal_5ffb28c88f1b2.pdfIn PDF document text
    • https://kegotewu.weebly.com/uploads/1/3/1/4/131437679/roledidas-nasira-pijideke-damoposerepa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wutejaxevewef.myartsonline.com/cuales_son_los_titulos_de_credito_derecho_mercantil.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3a1a212b-01fc-416b-8db3-b09682ec571a/midnight_sun_movie_analysis.pdfIn PDF document text
    • https://s3.amazonaws.com/julaxel/zesewoja.pdfIn PDF document text
    • https://s3.amazonaws.com/kelukakeb/juzerib.pdfIn PDF document text
    • https://s3.amazonaws.com/dusubonifu/xotuguzumaga.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c20e86c4-4827-4ad9-b6d1-7be05ab9872e/sexanilefegufaw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d54161bd-fc13-444a-ae9c-282c75c21e30/top_10_world_economy_2020.pdfIn PDF document text
    • http://luxupuxud.myartsonline.com/viponojix.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_off0000fa07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA07 5200 bytes
SHA-256: 88fd181d71313c34a527a93238aa5626a5cac872d473c680b0fb901b70187f0b
font_01_sfnt_off00010ba2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BA2 11268 bytes
SHA-256: c8a78f0cae077499c150903ab3dec97ed955fa0d1037e7dce64673743b5cb6c0

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