Malicious PDF — malware analysis report

Static analysis result for SHA-256 d01c0eb055b80da8…

MALICIOUS

PDF

69.4 KB Created: 2021-02-24 10:58:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 915b77ea1efa579ed47c2aed88c46686 SHA-1: cdc4ddb9dcdfb13da521905b70ef0d44e493546e SHA-256: d01c0eb055b80da87fcbadd8ca3d5f1079e2867987cff9d6861190795d0e6545
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://bologen.ru/wix?keyword=dream+piano+mod+apk+an1 PDF link annotation
    • https://vexakoloninabi.weebly.com/uploads/1/3/4/8/134851928/pilosasozabujozelale.pdfIn PDF document text
    • https://cdn.sqhk.co/vitimosugu/T7hcjjr/14720486017.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373999/normal_5fc658fcaf1e0.pdfIn PDF document text
    • https://tofudilasikota.weebly.com/uploads/1/3/0/9/130969343/pidupepofonufu-pazugiwimuril-pupakifaxi-ledixivijakojo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4494166/normal_60228d648dc58.pdfIn PDF document text
    • https://rawiranuxox.weebly.com/uploads/1/3/4/6/134618620/7293659.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380867/normal_602ceaa02ba85.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gikumud.epizy.com/malaguena_classical_guitar_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/zedilegol/39216649520.pdfIn PDF document text
    • http://tefesapebeto.rf.gd/ancillary_relief_form_e.pdfIn PDF document text
    • https://s3.amazonaws.com/tapexiw/jizotasifevopugamutas.pdfIn PDF document text
    • https://s3.amazonaws.com/zemunomipazikez/hygge_book.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_off0000d561.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD561 5008 bytes
SHA-256: f56c1bfea40da78cb7281f88666d48bfb442cc36f59ca6c317773438686fbdcf
font_01_sfnt_off0000e65b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE65B 10116 bytes
SHA-256: a8d78f482201b2b3df7e8e7833fad635434eb3eb096a975f600b21c6fa1916b9