Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf56e97bae2d3ecb…

MALICIOUS

PDF

67.2 KB Created: 2020-08-14 05:43:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5b1c6f873422e3491b4355ddb5accb0b SHA-1: 38d3283bcc918a3139406867b62231c92d69e92d SHA-256: bf56e97bae2d3ecb7bedc4a4f89bae9167ddce96f9d630c520ccf9425fc0de1e
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, 'https://ttraff.cc/pify?keyword=calculate+roi+in+excel+template', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of a malicious redirector indicates an attempt to lead the user to a harmful destination, likely for further exploitation or credential harvesting.

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=calculate+roi+in+excel+template In PDF document text
    • http://files.madewithloverldesigns.com/uploads/1/3/0/7/130739517/sinarosum_sezipajuzox_kimekazitubus.pdfIn PDF document text
    • http://bilisux.scrapskipsandiggers.uk/uploads/1/3/1/0/131069934/2752392.pdfIn PDF document text
    • http://suxepewif.crossbackmassage.com/uploads/1/3/0/8/130813108/pojifezuzalevugabab.pdfIn PDF document text
    • http://visimer.playfulpathwayspreschool.com/uploads/1/3/2/6/132683014/gugusewupifulodafej.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/1/0431/0633/6930/files/50666305715.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5788/2022/files/shazam_app_pc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0333/0209/files/votabimubufipirabi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8126/1466/files/pathfinder_core_rulebook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3102/6071/files/arduino_code_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0484/5465/files/acidit_titrable.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7613/0718/files/jcps_school_calendar_2015-_16.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6598/3655/files/92351291734.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6394/3074/files/moguvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6162/2437/files/10242863406.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5789/5831/files/53693274198.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3595/0241/files/les_alphas_livre_du_maitre.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7751/5941/files/skytrain_map_bangkok.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 5

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_off0000c972.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC972 4876 bytes
SHA-256: aaf819dd0b945e3e2f8bb7359f69f39c13e50c4a4571d9f4a6d82a1615a52e19
font_01_sfnt_off0000d9f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9F0 11088 bytes
SHA-256: 3fc7e65c37bd0db6a906f9688652a0589ea5af758749867aaa4437fa53a5a4a1

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