Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0ddf2e39cdcc7f1…

MALICIOUS

PDF

36.0 KB Created: 2020-10-05 23:54:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: a07d9d849e4d0b42526e8918127343b3 SHA-1: 1c0e27be66fda77c48768d62f6af81f815f75a5d SHA-256: d0ddf2e39cdcc7f13c08d7a52c9400bf9e3afd77a295aa090301d743605f0e72
124 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.
  • 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://ttraff.link/pify?keyword=5+basic+shapes+gymnastics In PDF document text
    • https://site-1038582.mozfiles.com/files/1038582/38082590344.pdfIn PDF document text
    • https://site-1036655.mozfiles.com/files/1036655/fofulufamegivanumo.pdfIn PDF document text
    • https://site-1037035.mozfiles.com/files/1037035/vepuminibade.pdfIn PDF document text
    • https://site-1038808.mozfiles.com/files/1038808/58277138137.pdfIn PDF document text
    • https://site-1040125.mozfiles.com/files/1040125/gikamo.pdfIn PDF document text
    • http://files.themoveablechurch.org/uploads/1/3/0/8/130874128/9175303.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/1/0432/7528/8742/files/73293227361.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/4408/9237/files/three_books_of_occult_philosophy_book_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5752/8480/files/ravidejiwasobogorosugeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8654/4022/files/merge_dragons_tips_for_events.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0480/7242/5636/files/athearn_blue_box_sd40-2.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3304e981-af19-4beb-bbf0-7e21dc39d84f/34329057163.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f393d659-5c2f-4db3-8989-1a48f88d4a15/53837195860.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 8

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_off00004f7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F7C 5488 bytes
SHA-256: 3546d51122203c3763f3fb3db1c33618f6d0b694ad5efa3a7f4a5ac764085b35
font_01_sfnt_off0000620d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x620D 9784 bytes
SHA-256: a162c9f110519cd6d9d6176c286a88f89d04c451577b61bc9c89e67734bd8c08

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