Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dde7cd6fd617c39…

MALICIOUS

PDF

85.5 KB Created: 2020-12-07 04:41:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 6cfe2c8f1be16bec6975fe2ecf55bbf0 SHA-1: 980fcd2fb005aeb5cfc0e10cda74e5e16fde489d SHA-256: 7dde7cd6fd617c3972cd05372bfe8ff5fc5a611524b119797955f05c72c9da0a
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 0.9996

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://trafftec.ru/strik?utm_term=minecraft+future+client+cracked PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4415525/normal_5fcbdcdba9c74.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/5fc0f6bd5687f52b6b817d01/t/5fc26fbef81c9a2a0cf0c10a/1606578111799/spanish_question_words.pdfIn PDF document text
    • https://s3.amazonaws.com/fedure/other_social_media_platforms_like_facebook.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe0f14f3de5e49b52bad1d/1606291220749/clad_sample_exam_2019.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/32485284-dda6-4a62-8318-ee02e9084b6d/l_intelligence_motionnelle_daniel_goleman.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc378c5085bf90c0e0d73db/t/5fc45d02f3de5e49b5eff6bd/1606704386695/imperial_commercial_freezer_reviews.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e5789624-2734-4042-9143-6c7f94d4565b/lezugurukibogomumose.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/464be9ce-1ccf-48dc-b7e4-63bf4881085f/sagikesuxukedixuletupo.pdfIn PDF document text
    • https://s3.amazonaws.com/wexukufedepim/formal_definition_of_chomsky_normal_form.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0f1dfe9fc3622d5225d5f/t/5fc1622961e25426e16c44d4/1606509098061/davisajogitujoliguwunu.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc2a825a13a450babff6b59/t/5fc53b522dd96f59189854cf/1606761299147/rupopazolegululotesoxes.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5b3e09955c744b55c34f9/t/5fc6f7798f079636156dc157/1606875002439/minecraft_pe_apocalypse_city_map.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b59beb31-b3a0-4dc7-aa3e-3461893b6057/11085200268.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/99294420-1d12-4240-8bcd-df167284bc17/winchester_sx3_owners_manual.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ecac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECAC 4676 bytes
SHA-256: 3321ff61a3a070fd2866f7fde9cd4ac3878ae711cc39eec3e6a1fd44f5cbf9fd
font_01_sfnt_off0000fc94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC94 11820 bytes
SHA-256: 472b07d871bf7ab8c33aad1bd8b58c011d9f376920a4fe90405a1f255f3be43a
font_02_sfnt_off00012523.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12523 16204 bytes
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e
font_03_sfnt_off00013a53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13A53 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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