Malicious PDF — malware analysis report

Static analysis result for SHA-256 95286483456acfb9…

MALICIOUS

PDF

41.3 KB Created: 2020-08-28 06:20:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 328a2a46cd3d9e19bd5beb1734f9b218 SHA-1: 150c6ca6818b8692fad872bfb0fac24ec94bec55 SHA-256: 95286483456acfb9ea6eac7e2ce4cb00e59dbe170c47954e46a9b6ef850ff329
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://ttraff.link/pify?keyword=suprita+shankar+con+un+sitar In PDF document text
    • http://files.lavanyahealing.com/uploads/1/3/0/8/130813079/nevuzofabulixo-rikonumim-vajupekilo-bofuxoge.pdfIn PDF document text
    • http://files.andreawysockiessentials.com/uploads/1/3/1/6/131606652/254da9.pdfIn PDF document text
    • http://files.whynautical.com/uploads/1/3/0/7/130776795/jasux.pdfIn PDF document text
    • http://files.thepurpleturtleworkshops.com/uploads/1/3/1/4/131407465/pibol.pdfIn PDF document text
    • http://files.sunshinefitness7953.com/uploads/1/3/0/7/130775911/litumoruluxajovi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/6207/3246/files/mandalorian_armor_gauntlet_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8561/0654/files/ibps_po_2020_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2663/5162/files/filo_basidiomycota.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7128/3098/files/40525069409.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5511/9520/files/lesibeboma.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7260/0726/files/31725411093.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2258/0886/files/rewet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1802/5117/files/financial_literacy_meaning.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7917/1222/files/kelabu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5824/9380/files/p_name_whatsapp_dp.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7814/6462/files/decking_sheet_hs_code.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5851/1522/files/championship_manager_3_99_00.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7332/0600/files/44922945484.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5857/7046/files/15461294817.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

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000645c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x645C 5156 bytes
SHA-256: c927dc60ad745e8c39e85b7af8d40e2f2b4afeec31f5ad96893928a719e0c5c6
font_01_sfnt_off000075d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75D4 10072 bytes
SHA-256: e1be5abd7f91548b595b5591b1f257afb60f91ad859dfa2b2f1617cb7d34483f

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