Malicious PDF — malware analysis report

Static analysis result for SHA-256 52b24a2a7e8c4dad…

MALICIOUS

PDF

70.8 KB Created: 2021-02-21 10:12:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: aeeb80449f57cae20a5f951ed9ca724d SHA-1: ebba0170e86cc782374c5f8a1fe4266590e2a4f7 SHA-256: 52b24a2a7e8c4dad9ed3a922e9d68859cec7d76af23231f5c3dfb810ce2c7a6c
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://bologen.ru/aws?utm_term=john+maxwell+life+coach+certification+cost PDF link annotation
    • http://wagugekewa.22web.org/asm_aluminum_and_aluminum_alloys.pdfIn PDF document text
    • http://item-mask.top/amman_songs_lyrics_in_tamilbcl58.pdfIn PDF document text
    • http://matras-24.ru/93202031305yyin4.pdfIn PDF document text
    • http://doweryklkq.space/charm_city_kings_full_movie_hbooozrp.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489988/normal_5fc6ce1320ae3.pdfIn PDF document text
    • http://jakafat.22web.org/74182446526.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412900/normal_602945021a90b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4451047/normal_5fc9eb9aaa4da.pdfIn PDF document text
    • http://how2clever.com/share_chat_app_in_teluguoriq9.pdfIn PDF document text
    • http://online-sistem.site/mozizuwutafefugisajpokr.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wutugegazebezop.rf.gd/porto_shopify_theme.pdfIn PDF document text
    • http://zopujozeze.rf.gd/57243291606.pdfIn PDF document text
    • http://zigonetisakep.epizy.com/dajogabituzojigeka.pdfIn PDF document text
    • https://s3.amazonaws.com/xovajukoxin/balanebofabejoxokakogegu.pdfIn PDF document text
    • http://fezadup.rf.gd/jukibagemiwofa.pdfIn PDF document text
    • https://s3.amazonaws.com/jamuluvuvava/h_o_full_form_in_medical_terms.pdfIn PDF document text
    • https://s3.amazonaws.com/pokorevalaxex/dil_pe_chalana_song.pdfIn PDF document text
    • https://s3.amazonaws.com/devuxuzejozam/one_big_party_icivics_worksheet_page_2.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_off0000d860.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD860 5272 bytes
SHA-256: 63ca9a7c695170a445538a949f0eac12a8243a40878eb5d5517bdd03b47c5426
font_01_sfnt_off0000ea35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA35 10492 bytes
SHA-256: b0357a09548df3fedb3b020ec48eb0e57c1dbca329331d1d79e0b529e15ec641