Malicious PDF — malware analysis report

Static analysis result for SHA-256 2db5f8392351687e…

MALICIOUS

PDF

40.1 KB Created: 2020-08-23 18:16:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 21cdcf3d6fcb62ee88ffe86a23289113 SHA-1: d29673775053927ae2b8173ac4c63314e5bd8ac9 SHA-256: 2db5f8392351687e670124b706d954d1d25b26fb744bf0d9eca565a6888fd117
194 Risk Score

Malware Insights

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

The PDF document contains a link disguised as a resource for "Powerpoint presentation templates change". This link, https://ttraff.cc/pify?keyword=powerpoint+presentation+templates+change, leads to known malicious redirector infrastructure. The document also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of SEO link farm techniques used to obscure malicious intent. The ML classifier strongly flagged this PDF as malicious.

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=powerpoint+presentation+templates+change In PDF document text
    • http://files.digistitchcustomapparel.net/uploads/1/3/1/3/131398145/1790422.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/1/0432/0709/8529/files/hedonistic_imperative.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4536/3616/files/94461535097.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9654/7230/files/36723574102.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1602/8309/files/alessandro_baricco_selyem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8894/5064/files/26011473853.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2964/0854/files/cutting_edge_third_edition_pre_intermediate_student_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6467/1909/files/83617524470.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2197/6220/files/52131514527.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2618/4352/files/majobenoteremuvod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6231/9517/files/97106427702.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9926/8003/files/36037394586.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3360/7842/files/campbell_biology_second_canadian_edition.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_off00005f6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F6F 5440 bytes
SHA-256: 1e891188642af6e87160c70f785235e9495a8f976e8024a82c45a305341ab023
font_01_sfnt_off000071ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71CA 9864 bytes
SHA-256: 4fc38876dbf1dccfe8e9bd190550f13061bd512729bb102341b86d8d26617367

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