Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d86e27b0a0108fc…

MALICIOUS

PDF

42.7 KB Created: 2020-10-12 01:57:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: 5370fae8ea2a443a80fc6031f436edb0 SHA-1: 59508e951f0354308d98c5c701136c0df724f82d SHA-256: 5d86e27b0a0108fca23f1b8466d61559ad3b1a41f1c853035c1d54ea62102da7
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=wie+man+Paprika+karmelisiert In PDF document text
    • http://dakasi.clairepassmore.com/uploads/1/3/1/4/131437736/366084.pdfIn PDF document text
    • http://files.atemainc.com/uploads/1/3/2/8/132815924/papififoja.pdfIn PDF document text
    • http://files.beinsynch.com/uploads/1/3/0/7/130775968/wizabiwetutebam.pdfIn PDF document text
    • https://site-1043121.mozfiles.com/files/1043121/dozuja.pdfIn PDF document text
    • https://site-1041944.mozfiles.com/files/1041944/tokujumegub.pdfIn PDF document text
    • https://site-1038506.mozfiles.com/files/1038506/kabixa.pdfIn PDF document text
    • https://site-1042504.mozfiles.com/files/1042504/diwodakofatuxawujo.pdfIn PDF document text
    • https://site-1039878.mozfiles.com/files/1039878/23569241516.pdfIn PDF document text
    • https://site-1038946.mozfiles.com/files/1038946/xikupokozavurikira.pdfIn PDF document text
    • https://site-1036958.mozfiles.com/files/1036958/lonosetabisawab.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/1/0434/4564/9574/files/kawaii_potato_drawing.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0478/1241/1551/files/75643355365.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/9151/6310/files/76772504347.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/1773/1735/files/jufajonabunesal.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_off000066c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66C0 5140 bytes
SHA-256: b739e949df88a9a7dbd9a719dfc0502dd2575cf4790eae6eb9ff726467bcf7bb
font_01_sfnt_off0000782f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x782F 11092 bytes
SHA-256: d62a13cac152bfd17806a24b33b9e10dc78e9c80830cec8d081c0e74571faf5c