Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0ce1ada9cce2d81…

MALICIOUS

PDF

66.3 KB Created: 2021-02-14 10:10:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 8669f18f760c4f6e3506d9466d68e1d3 SHA-1: 9009698ec6a285532d164bd7aa3018c94aeb36b7 SHA-256: e0ce1ada9cce2d8161165499fa96639d9130ad9658da595b9be977db68b155fc
184 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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://yafferge.ru/wix?keyword=mp3+music+downloader+apk+2020 In PDF document text
    • http://indital.space/android_cardview_rounded_corners_image6j52x.pdfIn PDF document text
    • https://kelogukagikuval.weebly.com/uploads/1/3/0/7/130739039/8382831.pdfIn PDF document text
    • http://teachersaid.fun/lidesanujozuwubitonejggz9.pdfIn PDF document text
    • https://vagewojevibo.weebly.com/uploads/1/3/4/8/134873572/3145916.pdfIn PDF document text
    • http://netzamka.ru/fotophire_photo_eraser_apk_downloadji5c4.pdfIn PDF document text
    • http://organic-ita.space/67222084810freno.pdfIn PDF document text
    • http://bluebadgeapproval.com/carrier_air_conditioner_remote_control_apk0wiog.pdfIn PDF document text
    • http://copyright-security-ig.com/pharmacology_mcq_books_free_downloadjhwug.pdfIn PDF document text
    • http://reactivascotia2020.com/mararaveriwshmc.pdfIn PDF document text
    • https://nalusopiko.weebly.com/uploads/1/3/3/9/133997408/xemifevelufejo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tosodesuvivat.epizy.com/34460979700.pdfIn PDF document text
    • http://ruriwujuvuwa.epizy.com/38444979926.pdfIn PDF document text
    • http://mebexadesojixip.rf.gd/attendance_sheet_template_microsoft_excel.pdfIn PDF document text
    • http://rujidita.rf.gd/78255748877.pdfIn PDF document text
    • https://s3.amazonaws.com/suzixegazunow/lajutujerogisafeki.pdfIn PDF document text
    • https://s3.amazonaws.com/jifesu/jaxefipovijulawitinoneku.pdfIn PDF document text
    • https://s3.amazonaws.com/pajeriramal/34246697340.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_off0000c621.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC621 5816 bytes
SHA-256: a366a80e4f540fef9f8410c96baad32d83fa3c235ca4558a32354490d7ce2a45
font_01_sfnt_off0000d9f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9F4 9956 bytes
SHA-256: 2abb3ea4f60b6058563bc99dfdf47abc3c3316131baa83de67fb06be7c9ad7d5