Malicious PDF — malware analysis report

Static analysis result for SHA-256 60fba92ebbfb480c…

MALICIOUS

PDF

69.9 KB Created: 2020-12-23 03:42:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 26304874d835c17192c84ecafa0b463e SHA-1: ea29dad9b50f29f3cca9e23da4d9a66dfc1c0a39 SHA-256: 60fba92ebbfb480c847212cd21e294570c97ca37026cda87d3c601bb3a85ad50
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 0.9997

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://traffnew.ru/strik?utm_term=fast+drop+main+line+reviews PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4414679/normal_5f9a7c7c0abd0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4500199/normal_5faec8f784141.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://static1.squarespace.com/static/5fc542ce9698b02c7f3d61af/t/5fd5f2755488895576a0705b/1607856760692/2811053873.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aa1861b0-3a94-41f0-8a93-31857b6a65bd/jio_recharge_keypad_phone.pdfIn PDF document text
    • https://s3.amazonaws.com/tibitexil/joe_moakley_park_basketball.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fdecdfaf67c863bcd17ac41/t/5fdf44fef3f88b619f1bc533/1608467712609/o_mio_babbino_caro_soprano.pdfIn PDF document text
    • https://s3.amazonaws.com/tetofamuxulil/best_ebook_reader_for_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/luborinizu/codecombat_game_development_2_answers_python.pdfIn PDF document text
    • https://s3.amazonaws.com/dinigugaxej/who_proposed_a_model_with_electrons_moving_in_specific_layers.pdfIn PDF document text
    • https://s3.amazonaws.com/teximikamukubo/60254943888.pdfIn PDF document text
    • https://s3.amazonaws.com/kiwopusafize/balaji_organic_chemistry_for_neet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/996a5837-abdc-4180-aea8-f017bd7d64eb/47232041788.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_off0000c806.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC806 5000 bytes
SHA-256: 8ad87ca83cf950bd086497d4598ae04bea70d6522b6c4a31c79fada1b2ab636d
font_01_sfnt_off0000d8f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8F9 10580 bytes
SHA-256: db19951db47c5d1cb97014c1a8fc5ca1054efded3606e827b583a094357b7847
font_02_sfnt_off0000fcfc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCFC 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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