Malicious PDF — malware analysis report

Static analysis result for SHA-256 d19021dda1d077fb…

MALICIOUS

PDF

68.6 KB Created: 2021-03-02 21:41:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 768ef57a1822aa5d963013fbaf838b36 SHA-1: f84bffa06fd5be050da434e1b86fd62b55bcd33c SHA-256: d19021dda1d077fb4a053f609cbe0e64792def9ca74e74dcbd043626225491c0
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://druttle.ru/award?keyword=how+to+break+marital+delay PDF link annotation
    • http://de-bewertung-id2842384.icu/sheet_sets_egyptian_cotton28eu3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486356/normal_5fd9951aac208.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459176/normal_5ff13b1bd75bf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417306/normal_60177faa0d27b.pdfIn PDF document text
    • http://xitaboketeloba.iblogger.org/96772991362.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470226/normal_6036f2d6c35be.pdfIn PDF document text
    • http://ig-copyrightnoticehelp.com/city_racing_2018_3d_uptodown0syp8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449014/normal_5ff1c11019b52.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444649/normal_601516088e867.pdfIn PDF document text
    • http://e-devletturkiyeaidatsistemimgovtr.com/piraponokaler3jf3a.pdfIn PDF document text
    • http://martans.space/ring_chromosome_18_a_case_reporte2bio.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416921/normal_60286999f3a83.pdfIn PDF document text
    • http://nuveclovet.xyz/value_investing_is_deadjpzqa.pdfIn PDF document text
    • http://maykistore.ru/3rd_edition_monsters_of_faerunsqq9g.pdfIn PDF document text
    • http://siankaanmexico.com/begofudizusajosonu0ktlk.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fusaxisedafi.rf.gd/wuzegijemawitejajar.pdfIn PDF document text
    • http://xuxuxal.epizy.com/anjali_cbi_movie_tamilrockers.pdfIn PDF document text
    • http://bizosubage.rf.gd/94491126992.pdfIn PDF document text
    • http://zenowalu.rf.gd/nirahua_amrapali_song.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_off0000cf56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF56 5152 bytes
SHA-256: 6b6e66c84cc2d42336466bb1e2300caca0a4c1864ffc5f03913d3898e940fab3
font_01_sfnt_off0000e0d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0D7 10752 bytes
SHA-256: 8dba9ca8e8a46161d0a0f3f665d07af980e6e24b9479880af07ab2fda818a725