Malicious PDF — malware analysis report

Static analysis result for SHA-256 565b136a300033ad…

MALICIOUS

PDF

136.8 KB Created: 2020-08-01 13:26:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8c720f53dc307524fdd948358a5bc85d SHA-1: 20e3214d045f0a9d37710bee41d0fe687d6ad287 SHA-256: 565b136a300033ad4f203f18532ce6d39514cb34c281b2f7de0ddbf299802a30
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link that redirects to a malicious domain, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body text, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, likely for SEO manipulation or to host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.com/pify?keyword=enter+the+gungeon+potion+of+gun+friendship In PDF document text
    • http://files.ezek.com/uploads/1/3/0/7/130738871/ranipog.pdfIn PDF document text
    • http://files.joyadele.com/uploads/1/3/2/7/132710784/6401176.pdfIn PDF document text
    • http://files.laurashop.ca/uploads/1/3/0/7/130775308/pazikakemejojokogu.pdfIn PDF document text
    • http://files.hofreunion.com/uploads/1/3/1/6/131636758/3220674.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/1/0430/1481/5901/files/8680013280.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6743/1320/files/jarosexuzike.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9977/5381/files/gifamukebidifib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6620/3029/files/zipijiboxelewibo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5650/4744/files/jexupujaretik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8689/5512/files/kulumosazorunorodiwef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6881/7569/files/mikovimimod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4087/4408/files/3868066831.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0100/4707/files/85388189912.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1363/6259/files/naxopikovaverumiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0057/8723/files/lasiraranemipurojapixen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5588/3175/files/90994932643.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 2

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_off0001df7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1DF7C 5016 bytes
SHA-256: 41c6c461668dc56366a94135e59dad9239c7f2025192f3319166f04610e921ae
font_01_sfnt_off0001f095.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1F095 10660 bytes
SHA-256: ecb15acdd07bafd09c055c9334fadd773a02f9c49dcdeaf99d47bd54ac3c1df4

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