Malicious PDF — malware analysis report

Static analysis result for SHA-256 e09dfa3d5acdf05b…

MALICIOUS

PDF

40.9 KB Created: 2020-08-23 15:23:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: af60c72b4f7dc8258e907bee683f0621 SHA-1: 7c5549da3c4e7314abb62f3420fc08ca0334a2f3 SHA-256: e09dfa3d5acdf05b52c1f452153fa180a4539fadae03689a9c07110fdc6b9fde
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, disguised as educational content. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.com/pify?keyword=chemical+equation+practice+worksheet as malicious. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded links to other PDF files, many of which are hosted on unknown domains, suggesting a broader distribution or redirection scheme.

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.com/pify?keyword=chemical+equation+practice+worksheet In PDF document text
    • http://xigukilep.backwoodsbeersoap.com/uploads/1/3/0/7/130775934/8634709.pdfIn PDF document text
    • http://files.topcoatuk.co.uk/uploads/1/3/1/6/131637307/zuduxotuweluxiso.pdfIn PDF document text
    • http://files.fgfvegan.com/uploads/1/3/1/4/131453588/5de7d01bb.pdfIn PDF document text
    • http://daruvu.amberschamel.com/uploads/1/3/0/7/130739860/4534900.pdfIn PDF document text
    • http://files.prbydenise.com/uploads/1/3/0/8/130813409/tozakasafifiw.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/1/0465/5785/5894/files/93463319269.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2588/1498/files/ball_bearing_catalogue_skf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/4029/8392/files/achondroplasia_adalah.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4800/0927/files/mapa_de_puerto_rico_y_sus_pueblos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1104/6556/files/application_job_cover_letter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2823/1830/files/1457630602.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2422/0321/files/calendar_2020_kalnirnay.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7252/0353/files/mekituverafevunabav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4121/6917/files/93975113665.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rakapadanixip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1801/8216/files/bojejo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5856/9128/files/larawolumelegala.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0531/2154/files/92641148307.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_off00006269.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6269 5360 bytes
SHA-256: fd7d63da4271d53e5a8ff4614b964867ea579996e42bbc479af8adc861bc06ec
font_01_sfnt_off00007488.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7488 9940 bytes
SHA-256: 2dcae7243761f6f5dc8ceb8c90f271c3e01d0420d94878d584e7d04cb8032114

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