Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7a19dcf1a842e5a…

MALICIOUS

PDF

38.7 KB Created: 2020-08-20 05:02:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6facd9030e636d1870855997f198e6b8 SHA-1: 2b27858c7014f831f3c17e35c72bb74a35f2d415 SHA-256: e7a19dcf1a842e5a2ea76dc0fcffbf27c8beda2fefdfeb9ae7157de297488e78
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many pointing to shopify.com domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a 'leadership assessment survey template' and the malicious URL. This indicates a phishing attempt designed to lure users 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.cc/pify?keyword=leadership+assessment+survey+template In PDF document text
    • http://files.mello-works.com/uploads/1/3/0/7/130739826/4469358.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/1/0428/6028/2023/files/fesufobupibibukiremuzaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7505/2454/files/xomujesogelefibes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0839/3367/files/project_completion_report_of_ngo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7842/6534/files/86551689443.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4324/9576/files/75334665637.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9898/8954/files/abiraterone_acetate_synthesis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2824/9767/files/evolutionary_psychology_101_pdf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1139/2167/files/43402140127.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6863/7862/files/owl._carousel._min._js_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2668/5850/files/application_of_partial_derivatives_in_economics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8702/6590/files/best_rogue_dps_spec.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29331550606.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9671/7977/files/greek_mythology_gods_and_goddesses_names_and_powers.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 2

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_off00005a7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A7F 5304 bytes
SHA-256: ca15fe23bbd6d04c3a49750b1068ef68c8cf9eb9864d90e82ce27f853a2a0a7c
font_01_sfnt_off00006c71.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C71 9816 bytes
SHA-256: 78c1b0f5b9325a280aa842aee676a44b794335a5de2bb9305b955de75b63afdd

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