Malicious PDF — malware analysis report

Static analysis result for SHA-256 23ee2868dfd64817…

MALICIOUS

PDF

45.2 KB Created: 2020-08-15 04:40:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 91ccaf62845e57a290abb0bd3b870da4 SHA-1: 97e8a868d2b5108e23894b7679464e81ec3caabd SHA-256: 23ee2868dfd648173e3471c8e57cb87d12b4885cfd0f95e16d81c58bdb59b4c6
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 to `ttraff.ru` is identified as a malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to lure users to malicious sites. The presence of the `ttraff.ru` URL indicates an attempt to redirect users to potentially harmful content, likely for phishing or malware delivery.

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.ru/pify?keyword=passive+voice+konu+anlat%25C4%25B1m%25C4%25B1+pdf In PDF document text
    • http://tefejib.nicolelamothe.com/uploads/1/3/1/4/131452977/803b73c33.pdfIn PDF document text
    • http://files.hempologyabq.com/uploads/1/3/0/7/130739247/712dc5f7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1339/7913/files/sivuzilanurelejemiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/99594865370.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4469/0337/files/81533748656.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0247/8237/files/jenulumurunuladevofi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0133/8266/files/mapa_turistico_la_paz_bolivia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4920/6439/files/approaches_of_job_design.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6123/1262/files/1487920975.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1478/2119/files/26608825356.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6110/7096/files/36842099607.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9930/6650/files/singular_and_plural_nouns_worksheets_for_adults.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000061c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61C9 5244 bytes
SHA-256: e9c5c022bbbc7f5930fbde60c396ea4850cdeb012e9a980bebcbff8b4d99caba
font_01_sfnt_off00007395.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7395 11704 bytes
SHA-256: 68b5e82d4c38ce925226f18ca7a9ea2ff962ad1891aeff94df9830317ac04144
font_02_sfnt_off00009808.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9808 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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