Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec47c01d9c7bb2d5…

MALICIOUS

PDF

72.8 KB Created: 2021-03-07 15:13:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 3aa918a13141a2bb34608e2575bee096 SHA-1: 8cb6ec2b0ffd6c4c4f9b252e7f42f4e95b4c84d3 SHA-256: ec47c01d9c7bb2d566d261de39cebad8d4989873466ce62c1a02d3831c2c5082
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://ponafet.ru/award?keyword=washington+state+university+basketball+coach PDF link annotation
    • http://jotafitosixa.getenjoyment.net/74399108792.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370062/normal_5ff9abae74fed.pdfIn PDF document text
    • http://presalon.xyz/merapikugvbhgs.pdfIn PDF document text
    • http://siwosupegejolop.medianewsonline.com/kiwarego.pdfIn PDF document text
    • http://patajafurep.mywebcommunity.org/zedumov.pdfIn PDF document text
    • http://spainsale.pro/11690276110sq6x1.pdfIn PDF document text
    • http://freefire-gifts.com/chapter_4_atomic_structure_wordwise_worksheet_answersfqhca.pdfIn PDF document text
    • http://rubewox.sportsontheweb.net/days_with_frog_and_toad_activities.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369187/normal_600325b2ba41f.pdfIn PDF document text
    • http://good-production9.site/jasmine_richardson_new_identity_20175eapc.pdfIn PDF document text
    • http://digitalliteracyinstitute.com/caffeine_for_pc0p4fl.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501791/normal_601e714b79901.pdfIn PDF document text
    • http://evakuator-uga.ru/western_civilization_joshua_cole706uj.pdfIn PDF document text
    • http://leledup.mypressonline.com/what_are_some_good_time_management_techniques.pdfIn PDF document text
    • http://wujejejifi.mygamesonline.org/71794556748.pdfIn PDF document text
    • http://copyrighthelpptteam.com/why_is_my_printer_printing_blank_pages_hp_deskjetzq07k.pdfIn PDF document text
    • http://form-lnstagramcopyrightservices.com/zoranegasut8z7j.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4461744/normal_6027d50a079bb.pdfIn PDF document text
    • http://generatorsale.ru/kp_thakur_english_grammar_book_solution_downloaddjme7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453335/normal_6030603ab4f47.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nabulegewuwal.myartsonline.com/77640843399.pdfIn PDF document text
    • http://vujapoguxesak.myartsonline.com/95621734198.pdfIn PDF document text
    • https://s3.amazonaws.com/kezemiradigu/diniluxulawijuwarepotejo.pdfIn PDF document text
    • https://s3.amazonaws.com/jolunenafobuw/ziwosanurogodotef.pdfIn PDF document text
    • https://s3.amazonaws.com/supefujoxopubu/plato_republic_book_5_analysis.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_off0000dd93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD93 5440 bytes
SHA-256: dc639dbb57599c6185285ea72b3a20740d188efed73503e19827a5f5fccb3afe
font_01_sfnt_off0000f02b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF02B 10908 bytes
SHA-256: 6f46a0dd2c85641ed12fca104319a990508a22ecbd95e07367bf7ac6884dfdc2

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