Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ea4dc04e03633eb…

MALICIOUS

PDF

37.5 KB Created: 2020-11-05 18:47:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f5455109ddf75bdff2a4f53f65832f0e SHA-1: 12f759b86211005eb2ada8e9fe23d41517059781 SHA-256: 5ea4dc04e03633eb09ab69128e108c68a508e03cea62c6af23aa3c673bbecc58
76 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a lure referencing 'free papa john s pizza games' and a high-severity heuristic firing for 'PDF_SEO_UTM_REDIRECTOR_LINK' indicates it redirects to an SEO redirector. The primary malicious URL identified is https://trafffi.ru/aws?keyword=free+papa+john+s+pizza+games, which is likely used to host a phishing page or distribute further malware. No scripts were extracted, but the PDF structure and embedded URLs suggest a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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://trafffi.ru/aws?keyword=free+papa+john+s+pizza+games PDF link annotation
    • https://lifotuvuzaraxur.weebly.com/uploads/1/3/0/7/130775275/4d538ca61.pdfIn PDF document text
    • https://nubojubixuxo.weebly.com/uploads/1/3/1/4/131410311/fajetozamini.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/2465310a-8f65-4227-801f-4d1c7c475ca0/lilifakurufobelorukoked.pdfIn PDF document text
    • https://s3.amazonaws.com/wupiwupiwot/soxores.pdfIn PDF document text
    • https://s3.amazonaws.com/penefelomiju/lenewunejobejibuwi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f5d0bf6b-1c53-494b-b009-746ec5b435f3/76075766908.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5276c773-f370-469f-9c74-2fd8ef376859/crack_photoshop_cc_2018_mac.pdfIn PDF document text
    • https://s3.amazonaws.com/rowubunak/cardiomiopatia_dilatada.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e0cc4b4a-bd73-4796-87db-b3f091a64b3b/black_mirror_scrying.pdfIn PDF document text
    • https://s3.amazonaws.com/baxunaf/cardiopatia_isquemica_diagnostico_y_tratamiento.pdfIn PDF document text
    • https://s3.amazonaws.com/tetazino/if_formula_in_excel_in_hindi.pdfIn PDF document text
    • https://s3.amazonaws.com/dukexajuj/sink_or_float_worksheets_quiz.pdfIn PDF document text
    • https://s3.amazonaws.com/fakuguvil/36249668893.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_off00005424.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5424 5280 bytes
SHA-256: f6d4b28d3a0599fcf660e5aa734921437463282e0451515ae935159f9c0e0bd2
font_01_sfnt_off00006604.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6604 10408 bytes
SHA-256: edb879259d8bbd67d4d16fc28a81c8cd0b35159ca9c85f549be50f1288d53d2e

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