Malicious PDF — malware analysis report

Static analysis result for SHA-256 d01f783d2d92a730…

MALICIOUS

PDF

45.1 KB Created: 2020-10-11 04:17:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: ed64c2ba3c2c327360124d00e3be4ec5 SHA-1: c5424d4a119e94a047df94765a8e89010b144006 SHA-256: d01f783d2d92a73055c874284194b587878d2bf3fd1ee916da48d8ef756ad736
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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://ggtraff.ru/pify?keyword=tomorrowland+2020+tickets+for+sale In PDF document text
    • https://site-1036997.mozfiles.com/files/1036997/xunisemumumi.pdfIn PDF document text
    • https://site-1039506.mozfiles.com/files/1039506/69644289166.pdfIn PDF document text
    • https://site-1043599.mozfiles.com/files/1043599/49710001367.pdfIn PDF document text
    • http://files.hartsvillemasons547.com/uploads/1/3/1/1/131163956/9d2a7011a3.pdfIn PDF document text
    • http://files.beavertonsecuritymi.com/uploads/1/3/2/8/132814768/kilekotu.pdfIn PDF document text
    • http://mesonij.nothimbles.com/uploads/1/3/1/4/131483266/gabadinelu_vaxevoduruna_gumagugekize_majorux.pdfIn PDF document text
    • http://files.marshallmediaproductions.com/uploads/1/3/1/1/131163984/2692832.pdfIn PDF document text
    • https://site-1040250.mozfiles.com/files/1040250/jagurelovaveniketugas.pdfIn PDF document text
    • https://site-1040129.mozfiles.com/files/1040129/60850152012.pdfIn PDF document text
    • https://site-1039259.mozfiles.com/files/1039259/voropejemovewuvam.pdfIn PDF document text
    • https://site-1036885.mozfiles.com/files/1036885/pimesiwe.pdfIn PDF document text
    • https://site-1038530.mozfiles.com/files/1038530/jeweno.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/47b6942e-62f0-4838-859c-242fc84be835/50810922939.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b8609de8-d326-4124-99a0-2cb21a833e86/ridevovafef.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_off00007198.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7198 5548 bytes
SHA-256: 32221ee16574bc78ded5f765cd5f99c66eed2b1da8f5821e9e814fbca877d3ad
font_01_sfnt_off00008469.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8469 10392 bytes
SHA-256: 7b041914c06c0546c575f5d567179c9081e7c33b2a43c5aeda84c808d93b4a95

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