Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d3aaecca5066ef0…

MALICIOUS

PDF

43.5 KB Created: 2020-10-09 17:46:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-14
MD5: 2a527de4a7837aceab40f239173a5e51 SHA-1: a676400c0a00b534d7a09551be0a37aae4743b25 SHA-256: 0d3aaecca5066ef0d05bbc9358637f9a0fdf0379c875e082ff24d2a3f348e1a1
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://ggtraff.ru/strik?keyword=left+for+dead+characters+1 In PDF document text
    • https://site-1037079.mozfiles.com/files/1037079/zomatowinidakisogobid.pdfIn PDF document text
    • https://site-1036742.mozfiles.com/files/1036742/sanatesuwoxowevukane.pdfIn PDF document text
    • https://site-1044164.mozfiles.com/files/1044164/jimugad.pdfIn PDF document text
    • https://site-1038590.mozfiles.com/files/1038590/22433522840.pdfIn PDF document text
    • https://site-1040008.mozfiles.com/files/1040008/14659494044.pdfIn PDF document text
    • http://zoped.creativesocialdistancing.com/uploads/1/3/1/3/131379550/9542270.pdfIn PDF document text
    • http://files.martialhartamas.com/uploads/1/3/0/8/130814279/6186ec0be38b.pdfIn PDF document text
    • http://files.foundersworkshophr.com/uploads/1/3/0/9/130969776/4988806.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/1/0501/2016/3478/files/mrs_mcmurray_season_8.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/9530/3365/files/one_tin_soldier_lyrics_billy_jack.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/0013/8398/files/computer_organization_and_design_arm_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/7448/1049/files/wuwufudizopesokufapofuje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7125/7241/files/bakamedeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1461/8262/files/53021923350.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006c73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C73 5072 bytes
SHA-256: abec606db6541c2083554ae86aaa72c41cca807439c036981e030bc819bfd7fc
font_01_sfnt_off00007db5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DB5 10504 bytes
SHA-256: e1622ba19efd848794892f7bb97fcc33de358a06a7b964b1c48252dfc79ba876

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