Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce422a3e71f1103f…

MALICIOUS

PDF

40.2 KB Created: 2020-08-24 13:46:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e2ec26a9765a28d1ee859188306a69b0 SHA-1: e1f8685a790ae1ee9289d86b18469eac49d6ffc0 SHA-256: ce422a3e71f1103ff16b5bd0a4c775e5d4e634d8908ded1d0713b5924a0214ed
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a game guide. This indicates a social engineering attempt to lure users to malicious infrastructure. The PDF also hosts a large number of other links, many pointing to Shopify, suggesting a link farm for SEO manipulation or to obscure the true malicious destination. The ML classifier strongly flagged this PDF as malicious.

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=hoi4+man+the+guns+navy+guide In PDF document text
    • http://files.ontarioexplorations101.com/uploads/1/3/0/8/130873875/c4a2389a8.pdfIn PDF document text
    • http://wifem.westerfieldadventures.com/uploads/1/3/0/8/130814674/bc1f7c19e94.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/1/0432/5015/5688/files/33397070775.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8309/4434/files/amharic_to_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2672/7580/files/wepodamexagelipo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8946/1410/files/jufakasisunatadi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4325/8522/files/libijibemijiziwusokibes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8271/1201/files/37558721599.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2216/3876/files/86212148639.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8462/7616/files/3816759807.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4542/8122/files/anti-_federalist_papers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6591/8118/files/febovuvemada.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5241/7703/files/theory_and_methodology_of_tactical_asset_allocation.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 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_off00005eb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EB3 5320 bytes
SHA-256: 092dfc8200fad8d9bd44017b952bb438a59364fd1878741591dcfefcbfc4be4b
font_01_sfnt_off000070af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70AF 10444 bytes
SHA-256: 2588c0d14c81a5cdaf4a72dda398474f5439d5567a077769c365fd46dc1a5b3b

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