Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ef0eb0ae0aaf2ca…

MALICIOUS

PDF

65.4 KB Created: 2020-08-22 04:32:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 361aca920076cb437e017cc26014aded SHA-1: bdb0c232f597fa100e53634521a153dadd6df242 SHA-256: 0ef0eb0ae0aaf2cade93cc6ffdccbc5e9b8e5257ac00563ff9b8289a08ed7f93
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting an attempt to distribute content through SEO tactics. The embedded URL 'https://ttraff.cc/pify?keyword=limnos+report+tv' is identified as a malicious redirector. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to lead users to harmful 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=limnos+report+tv In PDF document text
    • http://files.premise52.com/uploads/1/3/1/4/131410158/saroxerururunafezugi.pdfIn PDF document text
    • http://tonutud.seeniunmedia.com/uploads/1/3/0/7/130776873/8204604.pdfIn PDF document text
    • http://fuviruwu.hemlockhappening.org/uploads/1/3/0/7/130775923/3177053.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/1/0436/2131/8818/files/84990246651.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/3621/6229/files/adventure_capitalist_support_codes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8283/3308/files/66180688191.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5783/9254/files/cantata_de_natal_alegria.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2738/1924/files/bulizufevepolozofuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7816/3363/files/biotecnologia_en_la_industria_alimentaria.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9980/6113/files/why_are_you_applying_for_financial_aid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4904/8474/files/ibm_spss_modeler_applications_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3529/5905/files/wexorubamanonofiraxilis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2134/3647/files/24793499366.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2010/7424/files/12763057695.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5503/7093/files/37137998094.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 1

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_off0000b893.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB893 4724 bytes
SHA-256: 62fec05c4587fb84197b909fa630b35a5eafa5cc42231f50282fea97f3fdcf27
font_01_sfnt_off0000c894.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC894 15476 bytes
SHA-256: 685ac987322447c8e8773b40b250d85fa40bad9dd8758689f811eaeb84679ef2

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