Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce8698224b9f497d…

MALICIOUS

PDF

39.0 KB Created: 2020-08-15 01:26:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9fd3e4d13f8ae62bafe96b8fd3107f7e SHA-1: defaf48c9cfeef611dd711f62860a8072258d60a SHA-256: ce8698224b9f497de7fc6611d3ebce8157ab3281f3af0206a79e879400e53c06
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=soccer+clearance+letter+template'. This indicates the document's primary purpose is to redirect users to potentially harmful content. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility and click-through rates. While no scripts were extracted, the ML classifier strongly flagged the PDF as malicious, supporting the conclusion that it's designed for malicious redirection.

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=soccer+clearance+letter+template In PDF document text
    • http://lilorobaf.4everinelectricdreams.com/uploads/1/3/1/0/131070847/1530295.pdfIn PDF document text
    • http://fiver.glowfishstudios.com/uploads/1/3/1/4/131453133/a4f3fb.pdfIn PDF document text
    • http://files.graico.com/uploads/1/3/2/7/132740234/fanulejuledevis.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/1/0432/0677/0849/files/berserk_volume_40.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9048/5150/files/adobe_scan_scanner_apk_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5797/9304/files/gedotoninitufufuvula.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3752/2085/files/mifivovojose.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2962/6017/files/bejitod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0840/1316/files/71934297394.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7458/3702/files/xojasutumagawitotoxab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8143/1195/files/tuvofawibewotizafaxenozas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9956/8795/files/bilingual_definition.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_off00005c1e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C1E 5004 bytes
SHA-256: 171de349feabd7de21d6b20bde1d22d942c1bf846046e5265d0f82fa00e0a2e0
font_01_sfnt_off00006cfd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CFD 10088 bytes
SHA-256: 2165b1967f9debe3d52406cf2bcf14618f1467b1756a2c958160a0c07c3a5091

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