Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc9610ae998a4a3c…

MALICIOUS

PDF

73.0 KB Created: 2021-03-02 05:52:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: eed22e2ef8dc8651b5d4172c33e306cc SHA-1: de2a876a0ad8be845202199069105943de749dde SHA-256: fc9610ae998a4a3c3a49eee41e7476d0db15b3a02daf9ef9178d5884f32ee91f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://gimoguvi.ru/award?keyword=who+regulates+bond+market+in+india PDF link annotation
    • https://cdn.sqhk.co/fikubife/AYbijgg/kof_98_um_ol_china_download.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367633/normal_5ffadb5831d56.pdfIn PDF document text
    • https://cdn.sqhk.co/tevosudav/ijchhhb/snapchat_app_logo_cute.pdfIn PDF document text
    • https://cdn.sqhk.co/dubikureta/ihsgfgd/xubarulewiz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403429/normal_5ff955d86cf35.pdfIn PDF document text
    • http://fikodon.iblogger.org/brain_injury_journal_author_guidelines.pdfIn PDF document text
    • https://cdn.sqhk.co/vunalogivefu/fhxMMus/jiffy_lube_oil_change_costs.pdfIn PDF document text
    • https://cdn.sqhk.co/losokifape/jdjhgie/46550042207.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408346/normal_600bb15c653af.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455403/normal_600e93aedfbd5.pdfIn PDF document text
    • https://cdn.sqhk.co/zonelatu/SchgjgG/zamapafogato.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369645/normal_602af06ec6c0f.pdfIn PDF document text
    • https://cdn.sqhk.co/nofatazor/56Digjc/fedezazese.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zitosorav.rf.gd/snap_vpn_free_apk.pdfIn PDF document text
    • http://xewebumobodoris.rf.gd/awlgrip_545_epoxy_primer_data_sheet.pdfIn PDF document text
    • http://jipuzekas.rf.gd/lexile_score_chart_by_grade_level.pdfIn PDF document text
    • http://padijajuvon.rf.gd/jabawexo.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_off0000e0c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0C8 5456 bytes
SHA-256: d4084d41e1a6af766d7be4834fae6946dec528f35fc1da096531f54abd16ed91
font_01_sfnt_off0000f335.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF335 10428 bytes
SHA-256: fe622ecde2d1adb0ec8d2960e771dd7fbbd58d95122bdedd9aec1b91a42bec2a