Malicious PDF — malware analysis report

Static analysis result for SHA-256 02e681dd33727b15…

MALICIOUS

PDF

49.6 KB Created: 2020-08-15 02:01:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ffb18d563d8c6f758c487e2cb13a3aad SHA-1: fd3c7470a454818be542bd9c61e00d81d280b2fd SHA-256: 02e681dd33727b15c3a1891ffdb3098c6aa895585867f2fcc8baac09bcc9cd13
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, pointing to a phishing or malware distribution attempt. The embedded URL 'https://ttraff.com/pify?keyword=lake ontario salmon report 2018' is a key indicator of this malicious redirection. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest an attempt to lead the user to a malicious site.

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=lake+ontario+salmon+report+2018 In PDF document text
    • http://files.vaultingcougars.com/uploads/1/3/2/6/132683142/65187ed.pdfIn PDF document text
    • http://nejol.visitadamscountywi.com/uploads/1/3/1/4/131454859/3220881.pdfIn PDF document text
    • http://files.valetridents.com/uploads/1/3/0/8/130814534/14239dd1d13d9.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/1/0431/6463/1195/files/vunifalagi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5549/5833/files/wesoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4541/9173/files/kalasuxibewusuzus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1943/6185/files/goreruwutotote.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2201/4885/files/agency_theory_in_strategic_management.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2131/0880/files/entrepreneurial_development_book_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2124/6359/files/duxavefoluweduxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98223768302.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_off00008277.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8277 5488 bytes
SHA-256: aa460fc7d119b4b68354f0b38183376837a497e45edc222ead3b63cf9048c6b8
font_01_sfnt_off00009513.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9513 10648 bytes
SHA-256: 90ce1db8c39e1cbb3e31daf39234698b1ebbebc822d4717a3ee4c361a8b14263

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