Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9e51a923d418b8e…

MALICIOUS

PDF

46.5 KB Created: 2020-08-11 04:42:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7c8f9c48d305b78f8bd44846228712e6 SHA-1: 6f7278267e43a833bb24e669687ce83044a194df SHA-256: e9e51a923d418b8e64f019da2e424d4d9969ca67871b61ad31667892617938e5
154 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wb?keyword=l'allaitement%20maternel%20pdf'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous links to external PDFs, many of which are hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL and other PDF links. The primary intent appears to be redirecting the user to malicious infrastructure, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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/wb?keyword=l In PDF document text
    • http://kukeveb.secondstagehousing.net/uploads/1/3/0/8/130814238/torafatemifude.pdfIn PDF document text
    • http://files.outsideportraits.com/uploads/1/3/1/4/131409017/e55beb539.pdfIn PDF document text
    • http://mafufegaf.narragansettgunclub.org/uploads/1/3/1/3/131379992/kibulewaxozij-dipalebif-jefigowavedisub-suniwurab.pdfIn PDF document text
    • http://files.melissabeaty.com/uploads/1/3/2/6/132681296/19e6abe1d.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/1/0438/5941/1094/files/corporate_finance_theory_and_practice_aswath_damodaran_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3666/3208/files/mukufitovet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5152/4008/files/types_of_oligopoly_market.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2190/0696/files/fiwunepojilipijaxibur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4485/5195/files/anemia_falciforme_genetica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1692/0996/files/tutojoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6388/3429/files/lovurewemafamofadapesow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7540/3929/files/xegonunivozef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7809/0901/files/dukodifesenopitapegerewe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5533/3027/files/rational_combi_oven_parts_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wonazonuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/suton.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 4

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_off0000748c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x748C 4984 bytes
SHA-256: c94239807a44748597dad7372624d312dca3bca15210db64a648f6318b719c65
font_01_sfnt_off0000856b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x856B 12224 bytes
SHA-256: b399342f8adff5183cf1fa1a2dcb96a0c52c739dfcae04b33fa1e7d6ca9f188b

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