Malicious PDF — malware analysis report

Static analysis result for SHA-256 19eeda2e8cf2e1a1…

MALICIOUS

PDF

63.4 KB Created: 2020-12-21 05:22:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 77ac9984ea4355ac9e9413f1ec5e0aec SHA-1: df86c575c31e4871babd32bec7249fca08f241ee SHA-256: 19eeda2e8cf2e1a1088c5f128cb923eede5580cadada8c8430467fa2d5aa753b
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-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://traffnew.ru/strik?utm_term=ikea+furniture+bedroom+side+table PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4368949/normal_5f89360ebbab5.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/rafiralexezol/keloneku.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd0ddc68bfc518616a3e70/1606225374518/wiwusum.pdfIn PDF document text
    • https://s3.amazonaws.com/zuxadol/ruxuduwo.pdfIn PDF document text
    • https://s3.amazonaws.com/labitajaxatufib/31004785434.pdfIn PDF document text
    • https://s3.amazonaws.com/jonora/burke_williams_gift_card_balance_check.pdfIn PDF document text
    • https://s3.amazonaws.com/mijumomub/vewujumudukuvatajog.pdfIn PDF document text
    • https://s3.amazonaws.com/dudigonifu/hd_background_for_editing_zip.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc779a1b2e29c7ba9943e48/t/5fcaf2cc36758319a549af24/1607135949225/uc_mini_browser_apk_old_version.pdfIn PDF document text
    • https://s3.amazonaws.com/tulosa/aluminium_ingot_manufacturing_project_report.pdfIn PDF document text
    • https://s3.amazonaws.com/sakaburepagase/13541238860.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc1771924b06a7eb3033110/t/5fca8b44318daa4819417a24/1607109445696/insta_square_photo_editor_apk_download.pdfIn PDF document text
    • https://s3.amazonaws.com/kosamupim/79072012615.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fdcaa7c5e71df64d6bdd8f6/t/5fdcca27d6cc4a411d695e58/1608305191965/13798754585.pdfIn PDF document text
    • https://s3.amazonaws.com/dowavelaxam/88251923221.pdfIn PDF document text
    • https://s3.amazonaws.com/sitok/38764200148.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_off0000bf40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBF40 5192 bytes
SHA-256: 42847cc266382c57164e91d05bf4d1a5b065a75aa5a18ac6d8276d95d75f2bca
font_01_sfnt_off0000d0d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0D8 9452 bytes
SHA-256: 275b81c2fcfe0d3777b2f19b47a63d7b70b2b213a9666000a8db50854654c0e3

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