Malicious PDF — malware analysis report

Static analysis result for SHA-256 6244793e2a0c063d…

MALICIOUS

PDF

43.3 KB Created: 2020-11-01 04:35:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-29
MD5: cfa00b8fa907962d1b0b9127174738d7 SHA-1: 5d09b3433167f5a3fc1de9c3568bd68ad3ece03a SHA-256: 6244793e2a0c063d95807910c1a2a7f448a269ddf5272a82155c8891141f8baa
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.cc/123?keyword=mmx+racing+mod+apk+revdl In PDF document text
    • https://cdn-cms.f-static.net/uploads/4409092/normal_5f95165bcd322.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379498/normal_5f8dd8bbb0a52.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380882/normal_5f9234c86f875.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408713/normal_5f961ff706cc4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365553/normal_5f87c85ee46e6.pdfIn PDF document text
    • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/1352491.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403264/normal_5f94c930e0650.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373505/normal_5f941e4e88899.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367960/normal_5f90d54befc58.pdfIn PDF document text
    • https://lesofetu.weebly.com/uploads/1/3/1/3/131378838/06f042dae57f9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369797/normal_5f8d9cf8d0f23.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/1/0506/8501/8290/files/edison_bulb_chandelier_lowes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0503/2899/3955/files/5686511018.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1c9ce24a-4304-4b39-a253-c62525280912/40164902368.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/41ee6b1a-60d3-4ddc-b3c3-9c1e537f42f9/15864698354.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f2c1b3e4-e1f4-4176-a93d-665b5086cf87/11689107321.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2ec0a581-d881-4a40-942a-2c06ecae9127/mulezejo.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 4

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_off00006aee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AEE 5412 bytes
SHA-256: e642141e990b3d97d63c17aa9663a6e6e4faed565f6a70907f3568dd5bc8b5ed
font_01_sfnt_off00007d53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D53 10252 bytes
SHA-256: 6dc46bd5931eae3aa321d1343a219b60df901ca326c40ab84a1e8cfe5c96ef7f

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