Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ef75a2bbf7c6425…

MALICIOUS

PDF

41.4 KB Created: 2020-08-22 17:50:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a587422ab3c4cb6e2bcc0ef3b19a9f3e SHA-1: 8a1e655041300a5ad13137ba9061b5faee0d4688 SHA-256: 6ef75a2bbf7c6425bb1ffc830a880dfde56b1828ea7d742527cb104b6ac5b008
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM heuristics. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a weather report, leading to a redirector. This suggests a phishing or scam attempt designed to lead users to malicious content.

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/pify?keyword=ageas+bowl+weather+report In PDF document text
    • http://kudek.proplayeracademy.com/uploads/1/3/0/7/130776791/dc5b420a30ac20c.pdfIn PDF document text
    • http://files.clergysurvey.com/uploads/1/3/1/3/131379396/supujivugujoradiwure.pdfIn PDF document text
    • http://files.adventuresav.com/uploads/1/3/1/4/131408970/241a9da.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/1/0431/1682/2692/files/55542710259.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0453/9642/6920/files/7227780650.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5462/0059/files/31057895788.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1238/2117/files/xumagirujonerifowawo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5015/3622/files/braun_type_4262_food_processor_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1616/7328/files/2998338321.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/5794/1402/files/swot_analysis_sample.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5806/9655/files/67592028647.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4905/7430/files/placenta_previa_ministerio_da_saude.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5144/1560/files/91000749400.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4116/9303/files/72203170555.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/gifepizanakilokajevutinef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5031/9528/files/25998566541.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_off0000629c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x629C 5300 bytes
SHA-256: 95d1d0c1c0144fc29a84209e191f526e2e90767588e503d3735e8af9d23b5896
font_01_sfnt_off000074aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74AA 10624 bytes
SHA-256: b3c75b4b3e04db5af9635bee5fb25eb3f35ab2774f2025378fff0dd61c1e2cae

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