Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e33195276e1370c…

MALICIOUS

PDF

63.6 KB Created: 2021-02-19 22:19:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 117b2d698d916315cd19823a1325fbfb SHA-1: 9466fe5b14fa1f0fde84ee4f1b51d31191f94321 SHA-256: 2e33195276e1370c18efa1e6ec5cbc12cabe92893e89bd6d0fb30adb1dd0010f
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://druttle.ru/wix?keyword=scientific+method+double+puzzle+answer+key PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4458161/normal_60167e6ab3471.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4461505/normal_5fc7cb2d40f2c.pdfIn PDF document text
    • https://xedagiwaki.weebly.com/uploads/1/3/1/8/131856626/b21b6b3.pdfIn PDF document text
    • http://domainlimax.xyz/genestealer_cult_codexhmei0.pdfIn PDF document text
    • http://help-copyrighteamservice.com/petufadsxyz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375504/normal_6024465843412.pdfIn PDF document text
    • https://gilanevevo.weebly.com/uploads/1/3/0/7/130739192/kikejoposoroxiwusipi.pdfIn PDF document text
    • http://znohist.site/buwipuzejelosav58qw3.pdfIn PDF document text
    • https://cdn.sqhk.co/tokarikadez/ghglZgd/cannonball_run_3_movie.pdfIn PDF document text
    • https://nuzubalud.weebly.com/uploads/1/3/4/1/134108962/47f28c.pdfIn PDF document text
    • https://cdn.sqhk.co/taxeseta/jfiejci/battle_tanks_full_version_apk_2018.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417139/normal_6000c942a811f.pdfIn PDF document text
    • https://cdn.sqhk.co/momugutatok/UfUiiih/31467415437.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445532/normal_6000257acd877.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000bc33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC33 5944 bytes
SHA-256: 3227796d4bcea35ff1bb977e71c95f985615e75e3043c6545e94cd2c37d7fecf
font_01_sfnt_off0000d05b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD05B 9728 bytes
SHA-256: ed8b4e784812df564ba26b6161d98bb674bcbd4296dec08c6192051a27a61f70