Malicious PDF — malware analysis report

Static analysis result for SHA-256 47d53441c32e6324…

MALICIOUS

PDF

75.4 KB Created: 2021-05-11 17:59:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: b972f96eca14641eff33360bf05674f4 SHA-1: 7e017619d8af6535373c451ae9f97b8f76b161d8 SHA-256: 47d53441c32e6324ba7d2a0c81da0a093ac3ec4fa4b7353743c458e87297f1af
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were extracted, the presence of a malicious URL within the document body suggests an attempt to trick the user into visiting a harmful site.

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://pelibifir.ru/strik?utm_term=what+are+the+boy+scout+eagle+required+merit+badges PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4481985/normal_602dd41fb5d35.pdfIn PDF document text
    • https://cdn.sqhk.co/puzadowoke/ieh4jiR/72923162017.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401711/normal_6069f3c8a6d05.pdfIn PDF document text
    • http://ratixopawem.mypressonline.com/cancer_espinocelular.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458833/normal_605df887e477a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403259/normal_5fd700059f82c.pdfIn PDF document text
    • https://cdn.sqhk.co/womelage/jjbHjdY/destiny_child_mobile_game_art.pdfIn PDF document text
    • http://haifaiv.ru/65035611081r2tme.pdfIn PDF document text
    • https://cdn.sqhk.co/tegiriwepaj/cDRijja/ethan_gamer_tv_playing_mimpi_dreams.pdfIn PDF document text
    • http://lunagogafoxoj.sportsontheweb.net/how_to_reset_simplehuman_mirror.pdfIn PDF document text
    • https://cdn.sqhk.co/wevemugas/Ivgjc52/absorption_definition_waves.pdfIn PDF document text
    • http://naturaitalia.space/22105956708qo1d3.pdfIn PDF document text
    • https://cdn.sqhk.co/tuxonewebuke/0ifBX6i/melowopaxigo.pdfIn PDF document text
    • http://rivilidopu.medianewsonline.com/kodak_printer_esp_3250_instruction_manual.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4502817/normal_604345398729f.pdfIn PDF document text
    • http://titanof-filtr.ru/73963072104190o2.pdfIn PDF document text
    • http://fujigukatujewu.medianewsonline.com/pejosilotifurupox.pdfIn PDF document text
    • http://freshka.fun/valogovo7zg6d.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/warapagefasovi/xetofok.pdfIn PDF document text
    • https://s3.amazonaws.com/purixifusipelid/77191317838.pdfIn PDF document text
    • https://s3.amazonaws.com/sepawi/fine_properties_of_functions_with_bounded_deformation.pdfIn PDF document text
    • https://s3.amazonaws.com/zafijukopa/gamosawagelipabijagebo.pdfIn PDF document text
    • https://s3.amazonaws.com/voxipanovigepiv/kidamexawarosavimuzu.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_off0000e787.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE787 5736 bytes
SHA-256: 74750e0508b46209a03d2bf14b67daab36ca668f923312b6416c0a0f994973bb
font_01_sfnt_off0000fade.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFADE 10852 bytes
SHA-256: 1a4b31284d85035be801983aeef258eb0908bf5c22aedf78edd7653fab215b74

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