Malicious PDF — malware analysis report

Static analysis result for SHA-256 18cc7c35277a54ec…

MALICIOUS

PDF

44.2 KB Created: 2020-08-02 15:41:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 48ec2d8011d0cce57cc779e946761ce2 SHA-1: ac8a5f9b8e92ce60a1e54d0e0af0a4ec48635767 SHA-256: 18cc7c35277a54ece87cd548080b76e2cc4dfd2d59438d8b9498aa8188fb3926
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK. The primary redirector URL is https://ttraff.cc/pify?keyword=neopixel+ring+code, which is used in conjunction with links to what appear to be SEO-optimized PDF files hosted on Shopify. This pattern suggests a phishing or scam campaign aiming to drive traffic to malicious infrastructure.

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=neopixel+ring+code In PDF document text
    • http://files.lilyhockcreationsfoundation.com/uploads/1/3/1/4/131406356/3595815.pdfIn PDF document text
    • http://files.thestagecraftagency.com/uploads/1/3/1/4/131454850/7762037.pdfIn PDF document text
    • http://files.faubertminiatureschnauzers.com/uploads/1/3/1/3/131381681/7190313.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/1/0438/3683/3954/files/wetexozubukulera.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7962/2040/files/vovokuxunebalobozoxigum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1732/3175/files/54821790017.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4335/6825/files/vowewowibeninole.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8232/3870/files/bilapo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34007074416.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0854/0324/files/goxojizagit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73792904944.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2799/6565/files/bojafufenexonapila.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8814/2743/files/jekobuwejotogimejaxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7061/1861/files/17525544294.pdfIn PDF document text
    • https://vine.co/v/Mwwbi5a1BFKIn 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 3

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_off000063b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63B5 4888 bytes
SHA-256: 64d868b03c2b622dcd5428ae0091f607a7a3922a0e0a003fff416af60017f954
font_01_sfnt_off00007475.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7475 15392 bytes
SHA-256: 0f6b78e355f6f6a9e20a0395e17c021685b0ee2e67083e7befbd624feeb32c87

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