Malicious PDF — malware analysis report

Static analysis result for SHA-256 4515ce6518d09068…

MALICIOUS

PDF

38.5 KB Created: 2020-07-29 09:54:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8f36d6aa1b1414d509637d5321f40be4 SHA-1: 072c5ebf8989f8f533da5ff7ac914da8a14af460 SHA-256: 4515ce6518d09068ed2517d158e6a5a8628879405f4d30e9809ace2923e447f6
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF contains multiple embedded links, with one pointing to a known malicious redirector (ttraff.com). It also exhibits characteristics of a link farm, hosting numerous PDFs on Shopify domains. The document body, though heavily obfuscated, contains keywords related to the linked URL, suggesting a lure to a malicious site for potential phishing or scam purposes. No scripts were extracted, limiting the analysis of direct payload execution.

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=formica+basalt+slate+honed+vs+matte In PDF document text
    • http://files.spiritcreekfarm.com/uploads/1/3/1/4/131453144/464695.pdfIn PDF document text
    • http://files.tinablanck.com/uploads/1/3/1/4/131407423/90778.pdfIn PDF document text
    • http://files.plainbird.org/uploads/1/3/1/0/131069887/4f78ad3cf.pdfIn PDF document text
    • http://files.jjewelsstudio.com/uploads/1/3/0/7/130776567/sifil.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/1/0427/7328/2983/files/mazolefovavozizuvizide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3756/2779/files/demoboxarazuzeredugufo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0398/5570/files/64021321326.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1649/3976/files/23058192354.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8863/4263/files/78186720728.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7695/1965/files/39919522933.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9100/9442/files/xawekuxexu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6844/0224/files/vogimasuwovepudujebamuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4054/6721/files/26623623473.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5793/8581/files/metage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2961/1171/files/34340443973.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8360/4903/files/ketopugekarufilurenekop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6197/8023/files/82562500074.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9224/5656/files/budez.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000058a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58A7 5124 bytes
SHA-256: 0ac2e4f0899fafbd341bd4385e21f3e65f4c038c59f1967584bfa8055065670f
font_01_sfnt_off000069e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69E0 9752 bytes
SHA-256: 8476e82df4c6dab3a77be985248e8f5a3ab5a3e9c064b5ccff0f5306777d6751