Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ddfae7b1c0e4998…

MALICIOUS

PDF

77.3 KB Created: 2020-11-27 07:34:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-26
MD5: a005940fbba2d0bed1857f378fffe21f SHA-1: 06e55d0117c8b49f3ad575c99fd6811c21d6d6f9 SHA-256: 3ddfae7b1c0e49981c7b44b941f868a5c623b05c05f65b7e6f37fb71597e558d
234 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://cctraff.ru/strik?utm_term=2010+acura+tsx+specs In PDF document text
    • https://cdn-cms.f-static.net/uploads/4404725/normal_5f9b6b5b0ae9a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375199/normal_5fa281e516c8c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387938/normal_5f92c7b78279b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388156/normal_5f909746b5ef6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446166/normal_5fae74811d59c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448137/normal_5fb30a03e3dc5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467274/normal_5fa8740c6c8d9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487625/normal_5fb2a4b5b2930.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365636/normal_5fb7cf0280334.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426063/normal_5fa83e8e52b66.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/jutenojamega/98467810511.pdfIn PDF document text
    • https://s3.amazonaws.com/waxegatulo/kannada_new_album_song_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/fizufapu/24978356833.pdfIn PDF document text
    • https://s3.amazonaws.com/toliwudalamem/formatting_papers_in_apa_style.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_off0000f115.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF115 5196 bytes
SHA-256: cc7d37e4a12701a3aea8e7952b2ee9ed36520cdf744efe4a56c54be11d9f8ac7
font_01_sfnt_off000102d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102D4 10956 bytes
SHA-256: a0c42795306f59dd211ed294f0cdfa5186bec66387f10d0ecafc0d54435560d2

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