Malicious PDF — malware analysis report

Static analysis result for SHA-256 48789278af988326…

MALICIOUS

PDF

54.9 KB Created: 2020-10-08 02:43:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-22
MD5: 6b393f8b232d30a388ed16be95872348 SHA-1: 0e5e7dc0f09bad51dfe1056ee072fc710f870fd5 SHA-256: 48789278af988326341465bbca0a832e4358c475c88f028d8eef5d940b29c2cd
194 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.
  • 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/strik?keyword=acolyte+leveling+guide+ragnarok In PDF document text
    • http://files.boecc.org/uploads/1/3/1/4/131407445/joxiwiguwanimusitu.pdfIn PDF document text
    • http://wojig.musicalfuturescanada.com/uploads/1/3/1/6/131637352/pexukaxowijakikewo.pdfIn PDF document text
    • http://files.thewellnesschik.com/uploads/1/3/1/8/131856290/618288.pdfIn PDF document text
    • http://files.musicmastertraining.com/uploads/1/3/2/6/132696351/gelokopotajowasajun.pdfIn PDF document text
    • http://nokomi.electaylin.com/uploads/1/3/0/7/130776795/23b58.pdfIn PDF document text
    • http://widajufi.depthstiny.com/uploads/1/3/0/8/130814579/jajuvabegojenoj.pdfIn PDF document text
    • http://tiwoduz.drkeatonspeaceplan.com/uploads/1/3/2/6/132696323/degujazuxutav.pdfIn PDF document text
    • http://sigom.themerchantsofvenus.com/uploads/1/3/2/6/132683438/wuzaxola.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000098e7.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000098e7.bin)
    • https://cdn.shopify.com/s/files/1/0483/2919/5670/files/basketball_team_names_that_start_with_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6032/8608/files/brandy_have_you_ever_loved_somebody_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0477/3029/4940/files/invnorm_ti_84_error.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3127/2351/files/lillys_purple_plastic_purse_comprehension_questions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/7621/4944/files/nose_pads_for_glasses_target.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_off000098e7.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000098e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x98E7 5144 bytes
SHA-256: 6b933c26a450e35ac4ed228cf1bcceffb51df13e5b2cf72486a3cd5d47d5b8d7
font_01_sfnt_off0000aa8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA8A 10524 bytes
SHA-256: 16a191872651536eb3bfd8dab514a387ec049fff70070fb425d5c6c2b86f30dc