Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e00089d5e7a0b79…

MALICIOUS

PDF

71.8 KB Created: 2021-03-01 14:00:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 0f8b01d7e5123ab4a1b92912430144bf SHA-1: 7772597b06fdabc8f7787cfa1360ea2c946fd52a SHA-256: 6e00089d5e7a0b795faf730a2e1c05b33dc1a8e58634056afc0c942eff20159e
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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/award?keyword=books+like+the+land+of+stories+series PDF link annotation
    • https://cdn.sqhk.co/ludozenidi/h18Fvjg/saral_transfer_paper_michaels.pdfIn PDF document text
    • https://cdn.sqhk.co/tiwasusul/lghlshi/cara_beli_pulsa_xl_bayar_nanti.pdfIn PDF document text
    • http://wordsidepost.top/buncefield_arkanoid_brick_breaker_quest_level_997xhgz.pdfIn PDF document text
    • https://cdn.sqhk.co/werutojij/ViajLid/skyrock_radio_libre.pdfIn PDF document text
    • http://fagumawegoleleb.mypressonline.com/verizon_fios_gateway_g1100_specs.pdfIn PDF document text
    • https://cdn.sqhk.co/welosezu/HheiiSW/62014266513.pdfIn PDF document text
    • https://cdn.sqhk.co/gaxazazul/ihb8hd2/apple_stock_today.pdfIn PDF document text
    • https://nalodewemutut.weebly.com/uploads/1/3/1/1/131164475/c02b0446ad.pdfIn PDF document text
    • https://cdn.sqhk.co/juvowisire/fGY73Kt/superheroes_city_mod_apk_unlimited_money.pdfIn PDF document text
    • https://cdn.sqhk.co/noxivudeva/j89gcid/wudavedaderugusoratovinor.pdfIn PDF document text
    • http://wivaserana.mywebcommunity.org/how_many_calories_in_pf_changs_kung_pao_shrimp.pdfIn PDF document text
    • https://furivupes.weebly.com/uploads/1/3/5/2/135295821/wuwelajojowufa-vixadojomos-feginet-xoguzilero.pdfIn PDF document text
    • https://cdn.sqhk.co/giganopof/cEhbj7Z/nugowefuxavo.pdfIn PDF document text
    • http://meetsalle.xyz/nuwetozjktm0.pdfIn PDF document text
    • https://cdn.sqhk.co/sawitofi/cFgeibx/2452037342.pdfIn PDF document text
    • https://cdn.sqhk.co/moxibusas/ehigfhf/96712942562.pdfIn PDF document text
    • https://vizupadugixodu.weebly.com/uploads/1/3/0/8/130813134/1f5c55.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000df79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF79 5108 bytes
SHA-256: a9600277aa840065d64bbeb9804fe3b80abe4e0f4f7cde79da6cc8c7c6e5af2a
font_01_sfnt_off0000f0d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0D3 9800 bytes
SHA-256: 73da5d13205cdb5510a1d53136f2800b286121dfbd075ad8d2490112f72fec45

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