Malicious PDF — malware analysis report

Static analysis result for SHA-256 16e2a1730a04ba5d…

MALICIOUS

PDF

70.9 KB Created: 2021-02-19 10:50:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: cf6c93d7a55f3f2652bf9b66feeb3b1d SHA-1: 5be29043f9643a4614933901b84e6b91fac14711 SHA-256: 16e2a1730a04ba5d7043da7db9f712fd914c33b3713e34a9130eb60eb5934b10
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/wb?keyword=how%20to%20watch%20game%20show%20network%20on%20roku PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4489834/normal_60013a2a46113.pdfIn PDF document text
    • https://gegoviboz.weebly.com/uploads/1/3/4/8/134876631/detuxedumesojug.pdfIn PDF document text
    • https://gixinizolovuz.weebly.com/uploads/1/3/5/3/135348456/vijofo.pdfIn PDF document text
    • https://jumirusuvowelu.weebly.com/uploads/1/3/4/6/134632856/wexefofokomo-japadadevebuz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467038/normal_601da4b7afbd1.pdfIn PDF document text
    • http://zupebupinumupo.iblogger.org/batman_1966_full_movie.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377909/normal_601e8f61a96ac.pdfIn PDF document text
    • https://lidawutoroliv.weebly.com/uploads/1/3/1/8/131872032/repetobuwawunatusu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368989/normal_5fd78dfe60957.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412761/normal_5ff02786055d3.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bezegoluzose/double_digit_multiplication_worksheets_free.pdfIn PDF document text
    • https://s3.amazonaws.com/xezonijida/fortnite_season_7_week_5_challenges_guide.pdfIn PDF document text
    • http://gujupikisikali.epizy.com/piano_sheet_music.pdfIn PDF document text
    • http://bozumux.epizy.com/acute_bacterial_prostatitis_clinical_practice_guidelines.pdfIn PDF document text
    • http://zubeleboju.epizy.com/29783194617.pdfIn PDF document text
    • http://suvokejixu.epizy.com/27428137430.pdfIn PDF document text
    • https://s3.amazonaws.com/fupanabivote/types_of_reporting_in_journalism_ppt.pdfIn PDF document text
    • http://mezotake.epizy.com/83340272205.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_off0000d916.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD916 5296 bytes
SHA-256: 2e72f12cdaa7747b937d1168e989a52bc280dad532a814a40df7b000c951e07e
font_01_sfnt_off0000eb02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB02 10272 bytes
SHA-256: e7498160c613df46edc7a8e0a0282ee204517386de20d15fad079869d915802f