Malicious PDF — malware analysis report

Static analysis result for SHA-256 23d6b00cf169394e…

MALICIOUS

PDF

72.7 KB Created: 2021-02-19 17:54:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: fda2f8583115e082391cf2d0dc898218 SHA-1: 2f22c5474abc0bf85b215150552c4c399adf61f3 SHA-256: 23d6b00cf169394e82582e220b360ed65ecb113c146812f0a4f0018be4bb2d3f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://druttle.ru/wix?keyword=miyuki+nakajima+headlight+taillight PDF link annotation
    • https://cdn.sqhk.co/jogekiluse/BhjjcRT/devil_hunter_eternal_war_hack.pdfIn PDF document text
    • https://cdn.sqhk.co/tomubozes/Jib4Igj/player_shrinking_mod_for_minecraft_pe.pdfIn PDF document text
    • https://lanuwoga.weebly.com/uploads/1/3/1/6/131637333/libidikepuxoxigeg.pdfIn PDF document text
    • http://citrus-fruit.space/iron_883_service_manualwdexl.pdfIn PDF document text
    • https://ziwolowuwuxux.weebly.com/uploads/1/3/5/3/135321756/234e7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466364/normal_6005f282581ff.pdfIn PDF document text
    • https://vazigawexike.weebly.com/uploads/1/3/1/6/131606690/safumufupuvava.pdfIn PDF document text
    • http://i12tws.website/26095032207n9adt.pdfIn PDF document text
    • https://cdn.sqhk.co/merojuniv/Zgjijgb/get_likes_and_followers_on_tiktok.pdfIn PDF document text
    • http://copyright-security-ig.com/tituletu97jcq.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jizuwugi.rf.gd/xuzilekanarinatefuwik.pdfIn PDF document text
    • http://risepaxazitomep.rf.gd/65235507302.pdfIn PDF document text
    • http://jipowefata.epizy.com/cara_block_iklan_di_google_chrome_android.pdfIn PDF document text
    • https://s3.amazonaws.com/suzixegazunow/93098290557.pdfIn PDF document text
    • http://kakapefetabol.rf.gd/i_am_that_girl.pdfIn PDF document text
    • https://itunes.apple.com/jp/album/singles-2000/118594595In 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ceb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCEB5 5424 bytes
SHA-256: 590c2cf401aacd9141fbc87feabbd2397dab2f0b6d22db8fbd5e215326c62bf5
font_01_sfnt_off0000e1b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1B4 5212 bytes
SHA-256: 4c66b1cfc2ce1a3e3b4da918e4600b06a8710e314519c7c7bb750a603107e9de
font_02_sfnt_off0000f368.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF368 9856 bytes
SHA-256: 7e51977c3d66cd3a9088d283d398a47198616f0dcd7411c764ac220b562210de