Malicious PDF — malware analysis report

Static analysis result for SHA-256 1886282128581e00…

MALICIOUS

PDF

70.4 KB Created: 2021-02-10 15:06:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 5551809d856b37e7236c9c4ea7908ff5 SHA-1: bd90f28e1d3cc45cebebb8cc3fa08399baa33111 SHA-256: 1886282128581e00f5ee8fa1b60a4594f5ba512919406258e021315874fe511d
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://maypoin.ru/123?utm_term=is+milk+homogeneous+or+heterogeneous PDF link annotation
    • http://goldstein.capital/beyblade_burst_rivals_game_guardianiy2og.pdfIn PDF document text
    • http://igme.site/the_god_memorandum_free_downloada5kye.pdfIn PDF document text
    • http://1ux.site/how_to_get_ohio_cops_license_plates_online41tkm.pdfIn PDF document text
    • https://bopilopuneliniw.weebly.com/uploads/1/3/5/3/135304065/8381033.pdfIn PDF document text
    • http://fresh-ita.fun/modapimapokeweganafabogobg2mme.pdfIn PDF document text
    • http://onlinesos.tech/ladalabufitezidilubufikbjpwt.pdfIn PDF document text
    • http://storeplus.pro/singer_tradition_2277_manual5oav3.pdfIn PDF document text
    • http://goods-amzon.com/10017458887vcyun.pdfIn PDF document text
    • http://nikecortez.net/57851417606fowdc.pdfIn PDF document text
    • http://trynutra.shop/cooking_dash_cheat_sheet35312.pdfIn PDF document text
    • https://nazorilorapumug.weebly.com/uploads/1/3/0/7/130776423/furatabuna_zumebupugujase_rogukexewo.pdfIn PDF document text
    • http://vuvuga.xyz/maquinas_electricas_guru_descargarad28v.pdfIn PDF document text
    • http://bluebadgeform.com/dobekodujawodobirean1.pdfIn PDF document text
    • https://cdn.sqhk.co/mepapogivoma/jfjhihl/bagusewemudivo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gifixutazopoja.epizy.com/ark_survival_evolved_extinction_size.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_off0000d86e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD86E 4888 bytes
SHA-256: 693f4cae756b730c13c776dd290cac58049ed191688512b5bb22f0da5e8512c4
font_01_sfnt_off0000e8e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8E3 10504 bytes
SHA-256: d199c3d44a1231721bd1f3a29067f304d31e4131594a21f1c47b5d40e4b1854e