Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ab1e33442bebc09…

MALICIOUS

PDF

304.7 KB Created: 2021-03-06 20:32:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: 7351ce11c3f4d50be0135a90f44f4401 SHA-1: c8b5e2b4de5a06c955f38b812d2578346f9cce0b SHA-256: 8ab1e33442bebc0915d74701568451201dc3109ef6cff827678e33c68ae25f76
96 Risk Score

Malware Insights

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

The file is a PDF that contains an embedded URL disguised as a Warhammer 40k codex. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The embedded URL points to a suspicious domain, suggesting the document's purpose is to redirect users to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9831

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://fokemale.ru/strik?utm_term=warhammer+40k+8th+edition+blood+angels+codex+pdf PDF link annotation
    • https://cdn.sqhk.co/baxotonad/8rRjcig/dragon_ball_super_broly_wallpaper_4k_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/fafujedajir/dKuB9JX/skins_season_5_cast_franky.pdfIn PDF document text
    • https://dapalirodo.weebly.com/uploads/1/3/1/4/131483520/4179311.pdfIn PDF document text
    • https://gawirida.weebly.com/uploads/1/3/0/8/130874347/6b1109daf3193.pdfIn PDF document text
    • https://kemovovem.weebly.com/uploads/1/3/1/4/131408999/b377476edf74.pdfIn PDF document text
    • https://xafadefuvabajil.weebly.com/uploads/1/3/0/7/130776308/3265e0e9.pdfIn PDF document text
    • https://cdn.sqhk.co/kufomopinu/fihlQSg/75904739683.pdfIn PDF document text
    • https://cdn.sqhk.co/bewewojiwo/cphdmib/rodelokeponile.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lamuzanumezaw.rf.gd/cheetah_vs_springbok_video.pdfIn PDF document text
    • https://9e705916-5bde-4eb8-be9b-8b3e910fbaf8.filesusr.com/ugd/c7a620_a3f85c7f57e94210bb200410dccd43b8.pdf?index=trueIn PDF document text
    • https://5c90cfa9-af55-48e2-9430-1f3580382729.filesusr.com/ugd/e2b09b_173a6193da0144138f7f477605f42949.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/farefasejikap/pifot.pdfIn PDF document text
    • https://47e4df30-8702-49a4-8bd5-327e1546ff06.filesusr.com/ugd/379272_c1ded0629894476ab3e5bc4eb96f2945.pdf?index=trueIn PDF document text
    • https://c63ca81c-6df4-4ec3-bc2e-8508f29a6879.filesusr.com/ugd/d48fe3_ce05052f558545e592e2e37980654a01.pdf?index=trueIn PDF document text
    • http://zalezir.epizy.com/pirite.pdfIn PDF document text
    • https://s3.amazonaws.com/lekizopiloref/napidusajofeluk.pdfIn PDF document text
    • https://s3.amazonaws.com/fenatagazise/vorogivanapaki.pdfIn PDF document text
    • http://gojaxuga.epizy.com/2045591589.pdfIn PDF document text
    • https://s3.amazonaws.com/fivebo/ada_caries_risk_assessment_form.pdfIn PDF document text
    • https://s3.amazonaws.com/bokofapig/amazon_portable_generator_buying_guide.pdfIn PDF document text
    • https://90ff81fc-98d9-4e53-96a3-aaa5c1c2042e.filesusr.com/ugd/bb5aff_947393feb3724843a69ac60132995932.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/vebogotexaf/halo_beyonce_lyrics.pdfIn PDF document text
    • https://s3.amazonaws.com/mujesogi/bhikari_bala_song_free.pdfIn PDF document text
    • http://lefamuredemupi.epizy.com/57296189409.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_off00047631.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47631 6276 bytes
SHA-256: 90416eba97a5db344e060131b14e36ac173568b698cc15a3d6da6957c3478491
font_01_sfnt_off00048b75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x48B75 11728 bytes
SHA-256: 3015dd822df12de242447c37d7211b5eba0efff8497077b5ee49573143dcbbf8

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