Malicious PDF — malware analysis report

Static analysis result for SHA-256 01f09ce4d86374d9…

MALICIOUS

PDF

94.7 KB Created: 2021-02-27 07:33:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 66afc8f9bd10e12dcfbf838034ee0b42 SHA-1: d15a86f500020a0e292be126977ce6c1eaf87879 SHA-256: 01f09ce4d86374d95d28bb3e9c99d6e5b0e5675a14f68a20d1af0d2d112724d1
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://gimoguvi.ru/aws?utm_term=hindi+songs+starting+with+gh PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4455405/normal_603710e66812b.pdfIn PDF document text
    • http://desokore.medianewsonline.com/ec8452_electronic_circuits_2_notes.pdfIn PDF document text
    • http://xenalebosob.scienceontheweb.net/36465131341.pdfIn PDF document text
    • https://sonoredepi.weebly.com/uploads/1/3/0/9/130969061/puzakowo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418746/normal_6000c4bfa1172.pdfIn PDF document text
    • http://tdsevsvet.ru/91250367833s3fxj.pdfIn PDF document text
    • http://ostanni.fun/lowrance_mark_4_chirp_setupf69xu.pdfIn PDF document text
    • http://mogimetekojubar.scienceontheweb.net/64503165024.pdfIn PDF document text
    • http://robugipunebib.mygamesonline.org/what_comes_on_a_burger_king_crispy_chicken_sandwich.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402519/normal_5fe8a53c158c7.pdfIn PDF document text
    • http://mevukavotidu.getenjoyment.net/geruwujewefebiju.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420745/normal_5fd63791cf345.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401517/normal_5fdac6a0172a3.pdfIn PDF document text
    • http://jepewadagamer.scienceontheweb.net/69010523986.pdfIn PDF document text
    • http://lololoj.sportsontheweb.net/eyelash_extension_training_foundation_program.pdfIn PDF document text
    • http://tulavesew.getenjoyment.net/composition_of_functions_worksheet_answers_kuta_software.pdfIn PDF document text
    • http://zoompol.xyz/73740482110tyaak.pdfIn PDF document text
    • http://gapagal.mywebcommunity.org/rumosiw.pdfIn PDF document text
    • http:///\/www.hindilyrics.net\/lyrics\/of-GharIn PDF document text
    • https://\/a10.gaanacdn.com\/images\/albums\/67\/283967\/crop_175x175_283967.jpg,albumartwork_large:https:\/\//a10.gaanacdn.com\/images\/albums\/67\/283967\/crop_175x175_283967.jpg,parental_warning:0,isSponsored:0,isAv_ad:0In 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_off0001372a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1372A 5108 bytes
SHA-256: cf0846a1e77f4faad38e591a7b16c7d33666150dcb6dc1e5848a62a484f0c31d
font_01_sfnt_off00014893.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14893 10932 bytes
SHA-256: 7fc9e53f256acead838af600d53b11a84ef928cb8fc37cd920411c41edf4ffc6

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