Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0645e3d5dcf9a6a…

MALICIOUS

PDF

70.8 KB Created: 2021-02-12 10:32:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 56039196df0a32d1bb229b0e0e371ebb SHA-1: e2b287a350954f5af20ea5b73578c6ed860787c9 SHA-256: f0645e3d5dcf9a6afe6a0fec55db1f28fec3f32fda30fd0a693a6d4b2b18f4fd
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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=temple+of+minerva+in+rome PDF link annotation
    • http://fogugevup.22web.org/petimelapopanexubeva.pdfIn PDF document text
    • http://sexogovo.iblogger.org/beden_kitle_endeksi_hesaplama_forml.pdfIn PDF document text
    • https://kafunonedejo.weebly.com/uploads/1/3/4/6/134662894/9114675.pdfIn PDF document text
    • https://talapilodegopez.weebly.com/uploads/1/3/0/9/130969507/e76d9.pdfIn PDF document text
    • https://cdn.sqhk.co/diratukuz/C3dhb14/81223633882.pdfIn PDF document text
    • https://vogifidawavuda.weebly.com/uploads/1/3/1/6/131636702/018f9.pdfIn PDF document text
    • https://cdn.sqhk.co/numovasovev/jeSjcbh/frogger_2_ps1_vs_dreamcast.pdfIn PDF document text
    • https://cdn.sqhk.co/linotepibubi/giaSGr6/the_holy_quran_in_english_audio_download.pdfIn PDF document text
    • https://cdn.sqhk.co/razanifuwuz/ojfegia/disney_channel_ant_farm_theme_song_lyrics.pdfIn PDF document text
    • https://konevolog.weebly.com/uploads/1/3/1/6/131606720/tamumokapuwure_vominutabut.pdfIn PDF document text
    • http://semowatuk.iblogger.org/bible_games_android.pdfIn PDF document text
    • https://cdn.sqhk.co/noviraxat/SJrgeTr/othello_movie_1965_cast.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://giduzorim.epizy.com/rovimisaxexu.pdfIn PDF document text
    • http://jomevodirefu.rf.gd/wotepovu.pdfIn PDF document text
    • http://todiwemutu.rf.gd/zawuvusa.pdfIn PDF document text
    • http://besevinoferoza.epizy.com/43600760497.pdfIn PDF document text
    • http://zuromor.epizy.com/ek_hazaro_meri_behna_song_ringtone.pdfIn PDF document text
    • http://robinovedibepo.epizy.com/bayes_theorem_exercises.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_off0000db80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB80 4876 bytes
SHA-256: 8787515e8133cd5d4a59901181a104b29cdfe4eb4adec5a0a7c61da9f5e52737
font_01_sfnt_off0000ec04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC04 10048 bytes
SHA-256: b84bbf26c8e4f979425b0af9533dc97f9c758a999dc67226acd938d1acfc8b7f

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