Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8324882565f928c…

MALICIOUS

PDF

69.9 KB Created: 2021-03-03 14:14:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 24cae2c3224588c59b21bed9d9ee975c SHA-1: bda488d19f1fa54df2040f7a4042016b5fdb4167 SHA-256: b8324882565f928cd479f89cab158ab430289944743b23f87ce4ad9594acb513
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://baarspo.ru/award?keyword=what+are+the+theories+of+organisational+behaviour PDF link annotation
    • http://uspeh.icu/datamax_m-4208_manualsuqbv.pdfIn PDF document text
    • http://valamivu.22web.org/tesimiriwasasotuxemevo.pdfIn PDF document text
    • http://lotukaguw.sportsontheweb.net/where_to_learn_calculus_online.pdfIn PDF document text
    • http://zagejudivavi.sportsontheweb.net/amor_y_el_respeto_frases.pdfIn PDF document text
    • https://dojibabebane.weebly.com/uploads/1/3/2/6/132682208/5167277.pdfIn PDF document text
    • http://kexedeziferu.sportsontheweb.net/10359108990.pdfIn PDF document text
    • http://noksipals.online/amritsar_city_mapua5v2.pdfIn PDF document text
    • http://sijemogezabusa.sportsontheweb.net/59997036772.pdfIn PDF document text
    • http://worameruvejaka.mywebcommunity.org/how_to_use_dynamite_prophet_sport_lipo_charger.pdfIn PDF document text
    • http://zavarivaemvmeste.ru/classic_european_assets_train_simulator44khz.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/fekaduvopigab/24662003807.pdfIn PDF document text
    • http://fidikaxano.myartsonline.com/what_effect_does_boiling_have_on_enzyme_activity_why.pdfIn PDF document text
    • https://s3.amazonaws.com/sakaburepagase/56099504678.pdfIn PDF document text
    • http://romofimor.onlinewebshop.net/45941761473.pdfIn PDF document text
    • http://jojerigexorow.epizy.com/dawenobaj.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_off0000d6c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6C2 5240 bytes
SHA-256: 1d26135051bac88c7d69af2b385ca12b9cc6d142187dd5ec81fe76fd8426e7b7
font_01_sfnt_off0000e8a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8A5 9936 bytes
SHA-256: cea24b8dda734abc1194c72d257965212832fabb64a667c35aab9b8f7b3c4e65