Malicious PDF — malware analysis report

Static analysis result for SHA-256 a198b7ceaa2fba16…

MALICIOUS

PDF

42.9 KB Created: 2020-08-03 02:52:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d9d88d3a1a18f7f5764bd435b8e87bbf SHA-1: 526f3d314a189e6c9283047640de54da0c5dc41b SHA-256: a198b7ceaa2fba16cdbad51cbf4b70505c1db629fe2c3756ed197e6d932e74ba
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=old+forge+trail+report', suggesting a lure to a malicious site. The ML classifier strongly flagged this PDF as malicious, and the presence of a redirector link indicates a likely attempt to deliver a secondary payload or phish for credentials.

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=old+forge+trail+report In PDF document text
    • http://files.chasingeverydayadventure.com/uploads/1/3/1/4/131453436/1a7be.pdfIn PDF document text
    • http://files.mimiswords.org/uploads/1/3/0/7/130740177/59e4f.pdfIn PDF document text
    • http://files.paulennswiebe.com/uploads/1/3/1/1/131163601/jeripixowipo.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/1/0431/8203/1007/files/12788802646.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5857/7046/files/6837573649.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9825/0141/files/nurud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6912/6309/files/6466190337.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7442/7811/files/fezivevewozezugum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5872/5018/files/85932613019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5919/1712/files/tonadapogotitijo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2851/8824/files/gothic_2_requiem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2432/6564/files/xatawawojugagugonopugomag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2567/7982/files/54972963855.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3998/8648/files/nemujanep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8323/5489/files/vupuwebalor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9822/7353/files/vopuvaromupevurajuf.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 5

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_off00006869.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6869 5056 bytes
SHA-256: 9b757a478e8754e1d042c605f4f8909a7e3d315a937251dde43928f2458fda8c
font_01_sfnt_off000079a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79A9 10532 bytes
SHA-256: a6f29c806fd68007f986279f57c03f3ea6c1ed2e9b24d162a6e14209ed14a9ee

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