Malicious PDF — malware analysis report

Static analysis result for SHA-256 3065d573452c75e4…

MALICIOUS

PDF

74.6 KB Created: 2021-02-01 04:05:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-03-31
MD5: 4c4ece4d22936a1d18fb266761544f89 SHA-1: f0f3255dcb5a5567f572af04ef3b09697b048f1f SHA-256: 3065d573452c75e48560557ceb6bf800fa16c04876f97072a1c76c550e2f3c46
126 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
  • 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/wb?keyword=new%20york%20city%20holiday%20attractions PDF link annotation
    • http://yesstore.pro/ancient_sith_artifact_yavin_4hm51k.pdfIn PDF document text
    • http://susurrus.space/force_op_hack_minecraft_download957sc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416510/normal_5fca0290aa69d.pdfIn PDF document text
    • http://nyvelsets.online/descargar_doodly_fullqf5kv.pdfIn PDF document text
    • http://ig-mediateam.net/64991937828wnfc7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470405/normal_5fcc203a7f6fb.pdfIn PDF document text
    • http://repair-planshetov.ru/vogewazofajenodujgij7i.pdfIn PDF document text
    • http://bionatur.space/download_english_song_love_storyyyv0n.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4401525/normal_6006b5fbdcebb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390638/normal_60166d33602ed.pdfIn PDF document text
    • http://avtoshkola-region26.ru/rugojimuwitusenis2ub4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447433/normal_60175b14cc87c.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/vabedafozo/dizabudiboposawaxile.pdfIn PDF document text
    • https://s3.amazonaws.com/bisiku/algerian_port_crossword_answer.pdfIn PDF document text
    • http://xutulatovemi.epizy.com/22814161992.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_off0000e7a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7A2 5256 bytes
SHA-256: 2f8c9364df09159bf63005cb4d140651db61dfa3dcbcacb182c33e17d82c30d2
font_01_sfnt_off0000f997.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF997 10564 bytes
SHA-256: 598ec0b7f20e883a6abad2b5c4a6989d0865829d0a091312927d3a594113c17f