Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c0f903416701d58…

MALICIOUS

PDF

72.6 KB Created: 2021-02-28 13:42:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 900b60a269fed091a468d115bf845f77 SHA-1: cd9c78089be7ce9d4f40b210c0dade165b86a617 SHA-256: 3c0f903416701d5877dea0b2d4a52dc8a9f096d83d29b31f7db3454155b873e5
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://vilenefex.ru/wix?keyword=bendy+in+nightmare+run+mod+apk+obb PDF link annotation
    • https://cdn.sqhk.co/tefaxobaf/j3XuJii/dovuduwetanodudobepuwep.pdfIn PDF document text
    • https://cdn.sqhk.co/wogirujut/jaii5HW/las_vegas_national_park_pass.pdfIn PDF document text
    • http://warupipujamoru.sportsontheweb.net/would_you_rather_questions_hard_funny.pdfIn PDF document text
    • https://cdn.sqhk.co/lerapuraroke/eijdia5/off_road_4x4_hill_trucks.pdfIn PDF document text
    • http://nafarami.medianewsonline.com/51626919246.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490376/normal_5fefecc6c697b.pdfIn PDF document text
    • https://cdn.sqhk.co/wojidumezu/ffhigfb/65955832963.pdfIn PDF document text
    • http://xewixejixukumes.22web.org/xazusufuzomura.pdfIn PDF document text
    • https://cdn.sqhk.co/lotidonita/eheSQMh/kajupepekuguvujudupi.pdfIn PDF document text
    • http://gasufulezexe.22web.org/28013793326.pdfIn PDF document text
    • http://sigisuzuk.getenjoyment.net/how_do_you_prime_a_keurig.pdfIn PDF document text
    • https://cdn.sqhk.co/tewisifupib/jMheV3m/goraberikutoxisuxaxod.pdfIn PDF document text
    • http://gekifek.scienceontheweb.net/amazon_vanity_fair_womens_underpants.pdfIn PDF document text
    • https://cdn.sqhk.co/kugorazig/hsqheYQ/vumulu.pdfIn PDF document text
    • https://cdn.sqhk.co/wepugozotap/jhifVjh/nixajasinavuxif.pdfIn PDF document text
    • https://cdn.sqhk.co/begokaxawip/iYFpmhc/mekiduveku.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484834/normal_603752bcf0181.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://doveweluzabakiw.rf.gd/87357846141.pdfIn PDF document text
    • http://vasizofotobobem.rf.gd/what_is_the_use_of_microsoft_excel_2013.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_off0000df86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF86 5520 bytes
SHA-256: 415c0eec0f7457861f1eec757cdc64a1c3a0e70ab80af853d3b9d90d2a689aaf
font_01_sfnt_off0000f224.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF224 10124 bytes
SHA-256: 27fac11e60dafe839b56b4dd9585022132a30a53696f9477fa29e078e54edcc3