Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ce1ad7ee8036d8c…

MALICIOUS

PDF

37.0 KB Created: 2020-10-31 04:48:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-12-26
MD5: cff6396abc0183ddcb8fccc87a10a95d SHA-1: 952a7a722af915df7d1d542f6d38005a77c11072 SHA-256: 0ce1ad7ee8036d8c7e38e757f2e3741cefa730d4596d40230c080c0d0aaa1cdf
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://cctraff.ru/pify?keyword=canon+mg2522+driver+free+download In PDF document text
    • https://wifivufadabigo.weebly.com/uploads/1/3/4/5/134522009/wiwuvovozesew-wepozakisoxer-zuzefidosag-xesotewawudu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418565/normal_5f9a115582b91.pdfIn PDF document text
    • https://fanavepuru.weebly.com/uploads/1/3/1/8/131871984/vadow-werotofegele-dirowe.pdfIn PDF document text
    • https://wosezobar.weebly.com/uploads/1/3/1/8/131856012/kelelopitajov.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414487/normal_5f989de9aeedc.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000520e.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000520e.bin)
    • https://cdn.shopify.com/s/files/1/0431/9543/3117/files/nba2k17_vc_generator_no_survey.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0728/6181/files/vuliresaxekikixada.pdfIn PDF document text
    • https://s3.amazonaws.com/bifamomove/slowly_changing_dimensions_type_2_and_fact_table.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0504/5197/2273/files/sysmex_xn_550_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/rotafasaniz/videneluwimibo.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_off0000520e.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000520e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x520E 5364 bytes
SHA-256: 579d7320aed96d45d9b8d33ac890b11bfcdb221a653c02a26a242ad051b04e99
font_01_sfnt_off00006453.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6453 10404 bytes
SHA-256: b4de8bc00dd8be0f0c44195385b41be47fcecad9778c7ee9aa759536ed4a0523