Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cc5e27366e2f332…

MALICIOUS

PDF

66.1 KB Created: 2021-02-13 01:39:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-01
MD5: 9b6f8eede620f5a478dcc475f1fbbce0 SHA-1: 5f3a039e886c4043c09e92a38bbe3d75807e1e96 SHA-256: 2cc5e27366e2f332f83966696be0a2f5ba204579e52c347e782ed2e2f5692336
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://crophysi.ru/shook?utm_term=commercial+air+hockey+table+canada In PDF document text
    • https://cdn.sqhk.co/zanuvajebodu/8jeT9jm/pakubamawitiful.pdfIn PDF document text
    • https://dulewidojupetor.weebly.com/uploads/1/3/2/6/132695372/005d85ab46c81.pdfIn PDF document text
    • http://swiss-gear.store/jewigi7u6ls.pdfIn PDF document text
    • http://marketeuro.pro/instruction_manual_baumatic_bdw13_dishwasherf69b0.pdfIn PDF document text
    • https://cdn.sqhk.co/nerenina/ggi7iiw/lord_master_king_riven.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4463559/normal_5fec9f1f63061.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421213/normal_5feddc9b0dedd.pdfIn PDF document text
    • https://xawupaxov.weebly.com/uploads/1/3/4/6/134699297/e510d9a45.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369771/normal_5fe89fd06e50c.pdfIn PDF document text
    • https://jubaluwaruzazux.weebly.com/uploads/1/3/2/7/132740890/66b96cf067d32.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382629/normal_600913c959e59.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460463/normal_601586fa3d0d3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421970/normal_6023d6d6ecebd.pdfIn PDF document text
    • http://help-feedback-amzn8.xyz/destruction_derby_2_pc_download_full_version_free08nss.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mewilibuze.epizy.com/ringtones_naa_songs.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_off0000c17e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC17E 5212 bytes
SHA-256: cfc25ff64aa40bf5ac4289784cbfc6d4cd69ec2534e23f03de3fd69f26f44813
font_01_sfnt_off0000d30a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD30A 11964 bytes
SHA-256: a8fd43ff2b31d04e52e48680a5a68ab06851951a5a3543887d42065798d816ac