Malicious PDF — malware analysis report

Static analysis result for SHA-256 6108b16714269922…

MALICIOUS

PDF

66.4 KB Created: 2021-02-13 09:20:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: e4d47d5efccd40180fbab3dcf900676b SHA-1: 1da96971478d5d67b8960254bc0cf0bc5b178ffa SHA-256: 6108b1671426992268272b1cce9b184e370187fcb520d5c1d1c4e32f51cead07
192 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://crophysi.ru/wix?keyword=the+ultimate+guide+to+price+action+trading+review In PDF document text
    • http://faxozulakevosos.iblogger.org/judolekami.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4462982/normal_5ff86f8f2b613.pdfIn PDF document text
    • http://zosujobitusup.iblogger.org/mevadapuxomom.pdfIn PDF document text
    • http://xusetelokumupoz.iblogger.org/weather_report_blaine_washington.pdfIn PDF document text
    • https://cdn.sqhk.co/zikufivol/gh9gdja/red_and_blue_states_map_2020_update.pdfIn PDF document text
    • https://cdn.sqhk.co/nuzifixe/eqUxqTT/xugotidusakavuguweg.pdfIn PDF document text
    • https://cdn.sqhk.co/menigopas/5Jdgijb/80330194514.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451556/normal_602655dc32658.pdfIn PDF document text
    • http://nufarelarapo.iblogger.org/wewufizerirokefu.pdfIn PDF document text
    • https://cdn.sqhk.co/suxujaba/jheiiYi/79750938194.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/gitipelut/amarilla_gas_formosa.pdfIn PDF document text
    • http://pawutewitozi.epizy.com/template_powerpoint_gratis_lucu.pdfIn PDF document text
    • http://nonogopikizezed.rf.gd/how_to_cydia_impactor_on_mac.pdfIn PDF document text
    • http://kubazemaxem.epizy.com/smile_app_lock.pdfIn PDF document text
    • http://baguzakanaso.epizy.com/assamese_whatsapp_status_new_video.pdfIn PDF document text
    • http://fozajekipijijax.epizy.com/85th_constitutional_amendment.pdfIn PDF document text
    • http://gigevowujuro.rf.gd/vector_derivatives_cheat_sheet.pdfIn PDF document text
    • http://lafatakijuton.epizy.com/novavozefaberewobaf.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_off0000c5b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5B9 5408 bytes
SHA-256: 8f2a5bb8a794eae9197a32c21babff65b3011b063a34603516a542da0990435c
font_01_sfnt_off0000d806.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD806 10608 bytes
SHA-256: aef5795d0a560080e402e1d2b34d1d60f60e040eec53863f90dacae68a3675c7