Malicious PDF — malware analysis report

Static analysis result for SHA-256 6480077a11cd75ac…

MALICIOUS

PDF

80.6 KB Created: 2021-03-14 11:47:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5fc32e2b99696d750994c95bb5e52503 SHA-1: 9c079d2f2e20d618d0985315545d4c178acd39f7 SHA-256: 6480077a11cd75ace523d3fe6b0b3bd7a914a6cb04c40fb1d1435241ec5a66e7
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains embedded URLs pointing to external domains, suggesting it's designed to redirect users to potentially harmful sites. While no scripts were explicitly extracted, the PDF structure and embedded URLs are consistent with phishing or malware distribution tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://lozipotod.ru/123?utm_term=basha+tamil+movie++songs
    • http://magnifioco.site/dixie_chopper_service_near_me94da7.pdf
    • http://uspehdnyaaxyz.xyz/79571994269n0v3t.pdf
    • http://sodahq.club/lexus_rx_350_review_20219cl9f.pdf
    • https://cdn-cms.f-static.net/uploads/4415756/normal_5fe75c32567ee.pdf
    • https://guvufusefek.weebly.com/uploads/1/3/1/0/131070011/buson-pojor.pdf
    • https://cdn-cms.f-static.net/uploads/4459937/normal_5fe9253d48d71.pdf
    • https://cdn-cms.f-static.net/uploads/4483851/normal_5fd737813e524.pdf
    • http://steh-sistem.ru/best_gluten_free_lunches_for_schoolvwxed.pdf
    • https://cdn-cms.f-static.net/uploads/4379485/normal_6022f749ed697.pdf
    • https://static.s123-cdn-static.com/uploads/4415748/normal_5ff01ccecf554.pdf
    • https://ligiponofejejo.weebly.com/uploads/1/3/4/3/134346234/nafidijom-lugumuxalazitij.pdf
    • https://cdn-cms.f-static.net/uploads/4388289/normal_6022d87b814ee.pdf
    • http://tronreserve.online/unmaking_race_and_ethnicity75302.pdf
    • http://hayatevesigar.online/kitchenaid_superba_oven_error_codesovmn4.pdf
    • https://galesarenad.weebly.com/uploads/1/3/4/3/134380117/lapegumezabuba.pdf
    • http://canonsburglake.org/practice_haploid_vs_diploid_worksheet_answerseaxgm.pdf
    • http://3203epworthcres.com/sisekawozi23wn3.pdf
    • http://chebsvet.ru/58527417204wk2ua.pdf
    • https://static.s123-cdn-static.com/uploads/4462362/normal_5fc8be89add01.pdf
    • https://static.s123-cdn-static.com/uploads/4446770/normal_5fe0b67b4f4f9.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/muvazi/epigastric_hernia_repair.pdf
    • https://s3.amazonaws.com/kokesatodixon/gobixarafepilolotapa.pdf
    • https://s3.amazonaws.com/xopugup/android_studio_new_version.pdf
    • https://s3.amazonaws.com/fujadabez/minecraft_blacksmith_building.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fc13.bin
b0f1ba08bd89617c9c43084c890aee87ed15f4d4d4ba0d9737af5a0699b6fff9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFC13 5112 bytes
font_01_sfnt_off00010d5c.bin
5589d282c7478317ceb733094b8176d9920ef85ace9d1732364d8b92152cf128		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10D5C 11648 bytes

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