Malicious PDF — malware analysis report

Static analysis result for SHA-256 daa80b771ec88263…

MALICIOUS

PDF

70.7 KB Created: 2021-02-16 13:42:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: bfdad2032053211a08d5f99d53bf5826 SHA-1: 1966d1a89ca439973b88460cbd25b3529719c0e8 SHA-256: daa80b771ec8826362f97d67611aebaf19a75aa18470cffda40cca9bd8b86055
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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=stephen+marley+mind+control+zip+download PDF link annotation
    • http://dezlice.ru/gepiwusumiraq1uid.pdfIn PDF document text
    • http://wiruribadusa.iblogger.org/arabic_remix_video_songs_free.pdfIn PDF document text
    • https://cdn.sqhk.co/jekefebiba/cUeOhbk/capsule_wardrobe_examples_summer_2019.pdfIn PDF document text
    • https://lujinelux.weebly.com/uploads/1/3/4/3/134361227/ac5bc51217.pdfIn PDF document text
    • https://wakevilapiz.weebly.com/uploads/1/3/4/9/134903367/kuwinuvuj.pdfIn PDF document text
    • https://cdn.sqhk.co/texafikogot/cidNEgh/rewavewil.pdfIn PDF document text
    • https://betixajivuf.weebly.com/uploads/1/3/4/9/134900014/7087754.pdfIn PDF document text
    • http://hookup753.fun/kinuxewejuy4lfk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409396/normal_5fd9ca73a0208.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366665/normal_5fcdb9699237b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379852/normal_6009cf22d0131.pdfIn PDF document text
    • https://cdn.sqhk.co/vozeseseber/jgThj2V/88579802907.pdfIn PDF document text
    • https://razivizufizide.weebly.com/uploads/1/3/4/5/134525322/2777768.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://wupobivawenako.epizy.com/71829842698.pdfIn PDF document text
    • http://vosimamasi.epizy.com/tarojijo.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c991.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC991 5268 bytes
SHA-256: d0f02d977c44f48a919555ea0168ec84d5c0c973e67d62ff2e37206a216f277e
font_01_sfnt_off0000db57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB57 10632 bytes
SHA-256: 5ae64c35c6627d7b071b40f8f9298f6a1a08d9ea7b8110f196062cafa3bc4cfe
font_02_sfnt_off0000ff9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF9E 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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