Malicious PDF — malware analysis report

Static analysis result for SHA-256 47293a877e28dbdd…

MALICIOUS

PDF

39.1 KB Created: 2020-08-02 07:44:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 684678b1d9ad9a44ae710cf4756ff522 SHA-1: eaf924621004dc6d7896caa902da84f715c43160 SHA-256: 47293a877e28dbdd286d7a25c96f2141b491527a0a5193e20a239136ca568d76
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, many pointing to Shopify-hosted PDF files, indicating a link farm. One of the primary links redirects to a known malicious URL, suggesting a phishing or malware distribution attempt. The document body itself is largely obfuscated but contains the same text as the malicious URL's keyword parameter, reinforcing the malicious intent.

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.ru/pify?keyword=day+to+day+or+day-+to-+day In PDF document text
    • http://files.treatsicecreamparlour.com/uploads/1/3/0/8/130814466/bc4b4a471f.pdfIn PDF document text
    • http://files.allisonvestaccompanist.com/uploads/1/3/2/7/132740296/4373050.pdfIn PDF document text
    • http://files.nyteched.org/uploads/1/3/1/8/131871871/3439343.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/1/0434/3247/6838/files/pudokenuxamu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1312/8863/files/zuxixaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2883/9586/files/kakinatokuvunete.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7661/6341/files/sozijukos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6962/7799/files/bugijibifewukamegulufaxez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9802/9733/files/nupesavekuro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9568/7328/files/17958165804.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7935/1976/files/kixeviluwu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7570/6788/files/44157630452.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1483/1780/files/remisegaxileg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9706/2564/files/85400961727.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6837/5719/files/jexizejovipozipekirugaxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/86526592296.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_off00005905.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5905 4740 bytes
SHA-256: 4e57d73e7412c0a3419f640e00cc898bed3b8e2ceddbc415c714f0ba3b1cec38
font_01_sfnt_off00006942.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6942 10980 bytes
SHA-256: 48b83f152f59736c6d58f485b6622a26d56cc154bf4c693ee67e203e69db33d2

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