Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7cc0477e13f7b38…

MALICIOUS

PDF

46.9 KB Created: 2020-08-01 09:45:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 124ff54c873471b5c0cf449d67094bb3 SHA-1: d0f3dfdf562352398cf61bcfb9b70415ac3b5b39 SHA-256: c7cc0477e13f7b38fbb6c22942cf0b8918c42f2469cd51e76518b856bd961dd3
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify-hosted PDFs, designed to appear as a 'labor times guide'. One critical heuristic indicates a link to a known malicious redirector at 'ttraff.com'. This suggests the document is part of a link farm or SEO poisoning campaign to lure users to malicious sites. The ML classifier strongly supports the malicious verdict.

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=automotive+labor+times+guide In PDF document text
    • http://files.bayareajunkhauling.com/uploads/1/3/0/9/130969710/5513149.pdfIn PDF document text
    • http://files.okanaganwine.ca/uploads/1/3/1/4/131408068/95727c46a3ea70c.pdfIn PDF document text
    • http://files.monicabasile.com/uploads/1/3/1/8/131856479/2854647.pdfIn PDF document text
    • http://files.cwamyouthleague.org/uploads/1/3/0/8/130873902/9dc81a65e73.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/1/0439/2170/3067/files/nusije.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2843/8427/files/wexomizunasigawovu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6594/9862/files/wuxidezobiti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61411835552.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2244/9814/files/72859304456.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6197/5971/files/jexujusivemuvese.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1789/6089/files/xosuxiritoko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/siwizobudavegi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3264/9636/files/wekilajezuribenu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2259/7800/files/5020193857.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4097/1674/files/97132699006.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6463/1195/files/kidozatal.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_off00007a81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A81 5332 bytes
SHA-256: c7ced7b38fcae44d4ebfecf8a11667fc19685fbec7fa1a5efda3b94a65a29364
font_01_sfnt_off00008c87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C87 10112 bytes
SHA-256: 5534c0db492ce371b026b29162e97d2c1ee67535979912984c23e5afc10955ea

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