Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c112115ad6e7ea6…

MALICIOUS

PDF

73.2 KB Created: 2021-02-25 22:03:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: ebe51d4253ba6710bce08279536e5506 SHA-1: d4f98d6728db8ee4d2b11a03d373392d99f61dbd SHA-256: 3c112115ad6e7ea6193f16dd6c19a38e7be988ba30131e0ba0903aba6b5d037c
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://druttle.ru/wix?keyword=paul+revere+timeline+worksheet PDF link annotation
    • https://cdn.sqhk.co/nuponoviva/jitgYS9/mimpi_hamil_dan_melahirkan_dalam_islam.pdfIn PDF document text
    • https://cdn.sqhk.co/dodipenameki/hcLuhc9/bipedageramusafapumum.pdfIn PDF document text
    • https://rosavipufek.weebly.com/uploads/1/3/5/3/135315232/gokadofaf.pdfIn PDF document text
    • https://duzareledibasa.weebly.com/uploads/1/3/4/8/134890493/sizivamegiriw-zoxogudogakije-wimuje-befuwerux.pdfIn PDF document text
    • https://cdn.sqhk.co/dujagazatad/qjgBhei/6050199767.pdfIn PDF document text
    • https://cdn.sqhk.co/gimexigerub/ghjgeqR/fruit_ninja_online_free_download.pdfIn PDF document text
    • http://wukifiduputafeb.22web.org/mekunudefewazux.pdfIn PDF document text
    • https://cdn.sqhk.co/kunimanujage/86MPHjd/lukimedezuvi.pdfIn PDF document text
    • https://segawalapuk.weebly.com/uploads/1/3/4/9/134902876/namodofu_zekike_bamisisuwuxine.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4478951/normal_5fe38f51a6c90.pdfIn PDF document text
    • http://kedugobepuged.mywebcommunity.org/jawetakabesavuxowazoguvux.pdfIn PDF document text
    • http://nageramuvepom.mywebcommunity.org/40484567648.pdfIn PDF document text
    • https://nevofegef.weebly.com/uploads/1/3/4/8/134851200/3abc42.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xexotoj.epizy.com/how_to_use_excel_family_budget_template.pdfIn PDF document text
    • http://dosekidonara.epizy.com/stanley_bostitch_nail_gun_f28ww.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_off0000e397.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE397 5140 bytes
SHA-256: 193ef164f2e55b2344aab27183a32e288c55a81e54e4e346f8d59f174a1e40be
font_01_sfnt_off0000f4fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4FC 10240 bytes
SHA-256: 37a229836085ba40efbf6d0f3bd6447b2c70846fcfb9226edea6bc54d50a16a3