Malicious PDF — malware analysis report

Static analysis result for SHA-256 84742d488f171206…

MALICIOUS

PDF

42.2 KB Created: 2020-10-25 05:49:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-06
MD5: 1d11a19c51f70eba917c13814176db2d SHA-1: 5884bd8ee7a3dff30ad6828d5df73545e24d6ef9 SHA-256: 84742d488f17120622b9f302d0e42f62ce7b88ed416b90e7bbfaacffe3ef0892
134 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.
  • 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.
  • 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/wb?keyword=dividir%20pdf%20ilovepdf In PDF document text
    • https://cdn-cms.f-static.net/uploads/4404290/normal_5f91f85766fe8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366947/normal_5f9090fc982be.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369765/normal_5f8b255e84422.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371791/normal_5f88da20e4467.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365551/normal_5f8b4d22a78c9.pdfIn PDF document text
    • https://s3.amazonaws.com/warapagefasovi/60157019643.pdfIn PDF document text
    • https://s3.amazonaws.com/zetare/kidazoj.pdfIn PDF document text
    • https://rukinedofixod.weebly.com/uploads/1/3/4/3/134348838/1677531.pdfIn PDF document text
    • https://zajefepitav.weebly.com/uploads/1/3/4/2/134266194/nixitulo-durusesej-xajoziz-lametoje.pdfIn PDF document text
    • https://s3.amazonaws.com/woberiz/binomial_theorem_solved_problems.pdfIn PDF document text
    • https://s3.amazonaws.com/janodojivi/bahrain_street_map.pdfIn PDF document text
    • https://s3.amazonaws.com/gelawiweza/scientific_paper_example.pdfIn PDF document text
    • https://zuwulixomelonib.weebly.com/uploads/1/3/4/3/134385653/sawukuz-maludowu-pijalurudabewu-lafovolu.pdfIn PDF document text
    • https://jesasifewom.weebly.com/uploads/1/3/1/4/131453969/e6d69b9.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000622c.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000622c.bin)
    • https://cdn.shopify.com/s/files/1/0429/2670/2755/files/android_adb_shell_settings_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8987/7405/files/types_of_details_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0495/5045/9047/files/7719264954.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 extracted file (font_00_sfnt_off0000622c.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000622c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x622C 4708 bytes
SHA-256: be389db872e903361f761f69748a8babd1b072d2eae68d6b52af0b742c946e09
font_01_sfnt_off0000724a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x724A 13128 bytes
SHA-256: a2cbde047c1a9d58a33a2ba1753b748b440ea6c1e89318ca4b657d8a0a7f477a