Malicious PDF — malware analysis report

Static analysis result for SHA-256 977049d49a56d19b…

MALICIOUS

PDF

72.0 KB Created: 2021-02-23 14:05:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 47d1557f0e86af462887f391e2a18d20 SHA-1: 37b7e996f1382d26139e57372f1ef51c4fcc99dd SHA-256: 977049d49a56d19ba18d0085386f2d89ecf57e839787cd3c5742c813c03be0cf
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://leonvi.ru/wix?keyword=set+of+real+numbers+worksheet+answers PDF link annotation
    • http://joy-todays.online/oceans_hillsong_united_sheet_musictmjh6.pdfIn PDF document text
    • https://gamevuwi.weebly.com/uploads/1/3/4/5/134525912/6556e9c.pdfIn PDF document text
    • http://shishkin-seed.xyz/microsoft_office_implementation_plan_templateywtbv.pdfIn PDF document text
    • http://insitemonitoring.com/51653615599992h8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407810/normal_5fe74c474fe58.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393755/normal_5ffb6ce374d2e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393904/normal_5ffe41c169e8f.pdfIn PDF document text
    • https://nemabofafuz.weebly.com/uploads/1/3/5/3/135389169/jorimebonulenunime.pdfIn PDF document text
    • https://cdn.sqhk.co/xafeperale/ijowheS/vasetemafifoz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380527/normal_5fe8cdc963bd4.pdfIn PDF document text
    • http://cryogen.me/58133319847llgb8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378153/normal_5fc5f4cddc043.pdfIn PDF document text
    • https://kidamevu.weebly.com/uploads/1/3/1/4/131437276/zizuxoka.pdfIn PDF document text
    • http://fitdieta.com/volkswagen_eos_owners_manual5kcfi.pdfIn PDF document text
    • https://cdn.sqhk.co/samofetob/gcAWhcV/mowigomoduxuxusidemiku.pdfIn PDF document text
    • http://unreguezff.rest/calendario_escolar_cyl_2018x9zh3.pdfIn PDF document text
    • https://cdn.sqhk.co/fofateze/gigggja/murder_mystery_games_ps4.pdfIn PDF document text
    • https://cdn.sqhk.co/suwajipox/geMijia/venek.pdfIn PDF document text
    • http://copyrightsupporteds.com/puviwasifinilivefepirojup7id1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bixivanudupona.epizy.com/rorotixiv.pdfIn PDF document text
    • http://foweroboxufafuv.epizy.com/wiwajedekuwutemugegozesa.pdfIn PDF document text
    • http://runuvezufonesex.rf.gd/physics_lab_report_format.pdfIn PDF document text
    • http://nadalapaxizo.epizy.com/dufaforizufu.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_off0000db91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB91 5408 bytes
SHA-256: 12d2c8bd70c62065eebea2d7a04b3466c65b490ec9f44af928779ba799f63922
font_01_sfnt_off0000edd8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDD8 10836 bytes
SHA-256: c5cd3f3c220d7fc47fdd6c26f8702548fa286e5c78ef6a5c3c9836d3eaca063f

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