Malicious PDF — malware analysis report

Static analysis result for SHA-256 aed108adb2b25268…

MALICIOUS

PDF

71.9 KB Created: 2021-01-20 07:41:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 2df5f3b2910c0524e5a3831d0e61df6e SHA-1: 1d201d8fa3913ea74a0d3c6cab8f865f5402207c SHA-256: aed108adb2b25268c63413e2030a6ece95e9105eae18d524e3404c32c3f0d208
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://jottigo.ru/wb?keyword=mario%20kart%20tour%20characters%20tier%20list%20maker PDF link annotation
    • https://site-1177729.mozfiles.com/files/1177729/city_rider_26t.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476768/normal_5ff3e554b5982.pdfIn PDF document text
    • https://cdn.sqhk.co/towitudamuga/hd12jgj/67620372642.pdfIn PDF document text
    • https://site-1257431.mozfiles.com/files/1257431/26627732397.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416132/normal_5fcc5584a73df.pdfIn PDF document text
    • https://cdn.sqhk.co/kajurineg/KNjjwXd/rainforest_animals_coloring_pages_preschool.pdfIn PDF document text
    • https://cdn.sqhk.co/zifakepavax/ggRifgd/starfish_full_classification_name.pdfIn PDF document text
    • https://site-1227468.mozfiles.com/files/1227468/28667004472.pdfIn PDF document text
    • https://cdn.sqhk.co/gubogezemazo/g63gjaC/jotusifasenozaxedini.pdfIn PDF document text
    • https://site-1166051.mozfiles.com/files/1166051/15216989878.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417321/normal_5f9e8052bd93c.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/vinivuxo/wojuvijoririkeke.pdfIn PDF document text
    • http://kegunujav.epizy.com/immovable_property_valuation_report_format.pdfIn PDF document text
    • http://sivigowukom.epizy.com/tamil_movie_websites_2018.pdfIn PDF document text
    • http://fokozagizek.rf.gd/videohive_sliding_slideshow.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_off0000dd4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD4E 5108 bytes
SHA-256: 24bc35ba0fbc0e2c8e1ec8ddb6fd0588fafebe1130d91aacf11b13c74d2e5b2a
font_01_sfnt_off0000ee91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE91 10476 bytes
SHA-256: 0ab7f9088dab429c579171198445be893c8dc8a74dc153154007ebc866621efe