Malicious PDF — malware analysis report

Static analysis result for SHA-256 914312973f2b39e2…

MALICIOUS

PDF

62.0 KB Created: 2021-02-20 17:40:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 18f7b91b4bb40fdd0c0f2b1ca320626f SHA-1: 575200b58639504939096000e9b835766e875d63 SHA-256: 914312973f2b39e215f38c47fb30db6c2181d3ac2a7715946b2cd498fd42bca9
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://druttle.ru/wix?keyword=rm+drake+books+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4501479/normal_5fcd5f1a82843.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378641/normal_600d186e726b4.pdfIn PDF document text
    • http://wadopipojadali.iblogger.org/akcent_songs_pagalworld.pdfIn PDF document text
    • http://pataboju.iblogger.org/asean_scholarship_interview_questions_answers.pdfIn PDF document text
    • https://zuvimetuna.weebly.com/uploads/1/3/5/3/135304981/1de2bdf5a385f3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368984/normal_5fc9d7110fb5e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408172/normal_6015b5e8bb5bb.pdfIn PDF document text
    • https://sufudoni.weebly.com/uploads/1/3/4/8/134853368/93825a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412575/normal_5fdc5790ea0ba.pdfIn PDF document text
    • http://velimafi.iblogger.org/48036331826.pdfIn PDF document text
    • https://bujubisagakib.weebly.com/uploads/1/3/4/3/134323903/8758010.pdfIn PDF document text
    • http://dozawudefe.iblogger.org/zixefomobaxinozixorav.pdfIn PDF document text
    • http://nuxagoliwanep.22web.org/lesoborodakedasuboneper.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404297/normal_601e87a21e2f7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://benepuru.epizy.com/1170701208.pdfIn PDF document text
    • http://vetavewolo.epizy.com/rixukanaxivute.pdfIn PDF document text
    • http://mutiwudixoni.rf.gd/version_originale_1_cahier_d_exercices_answers.pdfIn PDF document text
    • http://sekotiluzapoka.epizy.com/19046019745.pdfIn PDF document text
    • http://kukalofawofami.epizy.com/candle_with_flowers_images.pdfIn PDF document text
    • http://tukuzadixejune.epizy.com/17051752506.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_off0000b7cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB7CC 5364 bytes
SHA-256: 404ac44f21e07a55cf6fd016c0f0da082ee4068b0ad079d596495bcac82050b0
font_01_sfnt_off0000c9ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC9EF 9756 bytes
SHA-256: 6a5c51983b52678400b01b7bf413990bdb64acdc1f33bde0b2f586f281e6951e