Malicious PDF — malware analysis report

Static analysis result for SHA-256 68aa6a7dca65691f…

MALICIOUS

PDF

39.7 KB Created: 2020-09-09 18:41:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 49dd35fa1cae2e3b67e6c6c9f74721f5 SHA-1: a7195910b3434722155bae0df738aaeb5aee4c79 SHA-256: 68aa6a7dca65691f3fa0effb3b03935a8e5bb27d0f0de62a8adf0928cd88103e
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, many of which are SEO-optimized PDFs hosted on Shopify. A primary link directs to 'ttraff.club', identified as a malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious sites, likely for phishing or malware delivery. No scripts were extracted, but the embedded URLs and heuristic firings strongly indicate malicious intent.

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.club/wix?keyword=algebra+variables+and+expressions+worksheets In PDF document text
    • http://files.anchorfloral.com/uploads/1/3/2/6/132680896/nopasorofuxiwebow.pdfIn PDF document text
    • http://files.artawol.com/uploads/1/3/1/4/131407796/fakagoxipuvapor_ganum.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/1/0429/5750/4668/files/cell_structure_prokaryotes_and_eukaryotes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2556/2785/files/97526386739.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4032/6300/files/dumuwilagopexaduzogeginer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8596/2142/files/7289921513.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9865/1288/files/54834359826.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/4aae87_ca807396a86342ba90b7e7debba8188e.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_80390e738f7b4cc19f5fc7b7833ebd44.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/769f78_318315e2e5bc4cdcbba979b9ae5e4897.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8838/0061/files/kerupobisubirimalebajalew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4703/3752/files/82084394179.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/2325/6999/files/beasts_of_no_nation_book_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7217/6799/files/73394467529.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 7

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_off00005e37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E37 5632 bytes
SHA-256: de4ff14c4afb422562a68f3751f1e89c0d7ebfbca7bd94ae31da8126e66bf36e
font_01_sfnt_off00007171.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7171 9552 bytes
SHA-256: 11c00ec44630084cc583c15324980a28ef6dde4e8a8fb2487bdc47f2688c06ef

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