Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5d0d4b861f1e1c3…

MALICIOUS

PDF

42.8 KB Created: 2020-10-11 02:41:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-07-06
MD5: 6007eed3173a33636e8781e824a44287 SHA-1: fa53ed501eba22f4425507a122db4811e4daeeb5 SHA-256: b5d0d4b861f1e1c310b51e4182b097e42a3b63c2772c991d766bffbfdf74541a
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://cctraff.ru/strik?keyword=salt+and+pepper+shaker+price+guide In PDF document text
    • http://nuxumuvir.babyg-lash.com/uploads/1/3/0/7/130775583/1617803.pdfIn PDF document text
    • http://sesaso.petermiyamoto.com/uploads/1/3/1/4/131407406/8097991.pdfIn PDF document text
    • http://files.aaronjarden.com/uploads/1/3/2/6/132695543/kikef.pdfIn PDF document text
    • http://files.thebordersinbetween.com/uploads/1/3/0/7/130775318/vinojuvinipevef_kuxiladepa_golirigorabe.pdfIn PDF document text
    • https://site-1036829.mozfiles.com/files/1036829/dalamalebexejuzisov.pdfIn PDF document text
    • https://site-1037273.mozfiles.com/files/1037273/56734104335.pdfIn PDF document text
    • https://site-1040424.mozfiles.com/files/1040424/tojesimijufibujeba.pdfIn PDF document text
    • https://site-1038915.mozfiles.com/files/1038915/fawarazabegezobujudurugox.pdfIn PDF document text
    • https://site-1042284.mozfiles.com/files/1042284/xitijonuregawopofelexas.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000697b.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000697b.bin)
    • https://cdn.shopify.com/s/files/1/0481/3897/7433/files/dadeschools_calendar_2018.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0011/1009/files/watch_match_of_the_day_2_online_free_catch_up.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5561/8977/files/73198151062.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_off0000697b.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000697b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x697B 5504 bytes
SHA-256: daf8e190d25ee0497044a41d5b511b9c6fe9f331ef2c1864e7940a27e82e1976
font_01_sfnt_off00007c16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C16 10144 bytes
SHA-256: 9aed014db2156b65d73519eb33c514e7f75ffaf916dac69994efcebf1a37dd20