Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4c3ef0f89d56b71…

MALICIOUS

PDF

44.6 KB Created: 2020-08-25 01:47:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 081a474332380841c50587adec57c2f4 SHA-1: 048eb1cd3b40e5b28406eabc72c259fb9650e380 SHA-256: d4c3ef0f89d56b71c838c0e8950c2668c481d113c2dd15e82cf73836fce51c0f
202 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains, but also includes a critical link to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains the same lure text and URLs found in the heuristics, suggesting a deliberate attempt to create a link farm for SEO poisoning or to direct users to malicious content. The presence of a known malicious redirector indicates a high likelihood of a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=gdpr+policy+template+uk+government In PDF document text
    • http://files.breastlearningonline.com/uploads/1/3/1/4/131453299/gevufiforuja.pdfIn PDF document text
    • http://files.exquisiteeffects.com/uploads/1/3/0/8/130813694/julivufiromes.pdfIn PDF document text
    • http://files.reviveevents.net/uploads/1/3/0/7/130776769/9995375.pdfIn PDF document text
    • http://files.spiritfireshaman.com/uploads/1/3/1/4/131453348/lemidaf.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/1/0437/3885/7623/files/54256700898.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9378/6791/files/nusesupefekuwexawikel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4444/6118/files/beautiful_creatures_book_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8548/7516/files/vavinajonefuza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9885/5837/files/stephen_king_riding_the_bullet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8189/8913/files/jiwoki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3779/4204/files/multiple_inheritance_python.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4388/9058/files/5192967800.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1559/4393/files/xifilejulologowagaroga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/94662163826.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6122/9206/files/76322504669.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_off00006fe7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FE7 5472 bytes
SHA-256: 01ffe641f007cf27b82a68e635238a427751009b1fce65924d5430d74aa800c2
font_01_sfnt_off00008284.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8284 10268 bytes
SHA-256: f0d80b16485f6e40157ff2f629942e4ca4d394f6a7f592cf1178a8c64175afb7

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