Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6ad1c79c5d1ea26…

MALICIOUS

PDF

70.8 KB Created: 2021-03-06 09:43:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 52d1a25e34f16d59c59f965a5763dea3 SHA-1: b14a34449925cc908c7902bcf3ad54d5d0373701 SHA-256: d6ad1c79c5d1ea26890f53120770041477a3603cf3f01a330b4659f3192737ac
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://xajibur.ru/wix?keyword=nav+rules+study+guide PDF link annotation
    • http://lastasked.com/nagiwezat7ib9v.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421462/normal_5ff20faa81d96.pdfIn PDF document text
    • http://larebipi.iblogger.org/disney_world_cast_member_discounts_2019.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410443/normal_603cbc475b696.pdfIn PDF document text
    • http://abanca-electronica.com/89601420278mejxy.pdfIn PDF document text
    • http://kidepokapila.22web.org/wuretomulub.pdfIn PDF document text
    • http://dabuzasomadote.22web.org/20099858394.pdfIn PDF document text
    • http://lopajutikog.iblogger.org/find_the_seventh_day_adventist_church_of_the_oranges.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367668/normal_5fe5fca320ed3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459328/normal_5fdea1874b7e6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475571/normal_5ffacb7b05640.pdfIn PDF document text
    • http://rubyshup.space/30039062746qzq1w.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465919/normal_603e811a23204.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457620/normal_60298c9cccd9a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4463543/normal_6008248b84ef6.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/75ada2c1-0df9-4a59-a0e4-140be426feab/the_fall_of_jake_paul_full_song_mp3_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4ad41904-49d9-454d-bc58-46ad28351e71/what_is_the_theme_of_the_hobbit_book.pdfIn PDF document text
    • http://pabaxekuvo.rf.gd/47970177784.pdfIn PDF document text
    • http://banugigo.epizy.com/ambuli_telugu_movie_songs_free.pdfIn PDF document text
    • http://gawupuzilolo.epizy.com/hp_elitebook_8570p_i5_drivers.pdfIn PDF document text
    • http://deritaserewivi.rf.gd/81672051793.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_off0000d855.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD855 5124 bytes
SHA-256: 7a2be83ba06b8d576ca4f807aac48558cfdf5e72c2fd2c96eba582b2a44f9130
font_01_sfnt_off0000e9e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9E8 10652 bytes
SHA-256: b71c039c49f5e2bb82b8c6d6f4290a057cf608edb374b20641b4fd356dec6d7c

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