Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1396eb5a408e465…

MALICIOUS

PDF

49.7 KB Created: 2020-08-19 13:18:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b4f4d167f1b8ec1989b6dbda109e3251 SHA-1: 2692f278e75acd28e985b2c8164bc360e2fbbe40 SHA-256: e1396eb5a408e46540b3f06d7d3668bb82135080c18fd8d76bd014e1988b4189
162 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by multiple heuristics, including a critical finding for a malicious redirector link and a PDF link farm. The primary malicious URL identified is https://ttraff.ru/pify?keyword=movies++tamilrockers+2019, which is part of a larger set of links pointing to various PDF files, many hosted on Shopify. The document body contains obfuscated text and the identified malicious URL, suggesting an attempt to lure users to harmful content through SEO manipulation or phishing tactics.

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.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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=movies++tamilrockers+2019 In PDF document text
    • http://files.kerrybeckerconcrete.com/uploads/1/3/1/8/131858481/6750004.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/1/0428/0870/5187/files/77495812375.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6091/2537/files/59439624088.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3019/9966/files/procesos_psicologicos_definicion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5671/7206/files/87855755911.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3672/0798/files/www._bteb._gov._bd_result_2020pdf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6825/2565/files/7928425692.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4610/8312/files/peaky_blinders_season_5_ep_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6449/9105/files/turafenonakisuni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4225/9612/files/gevow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5857/8086/files/liremalaneligomiri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1381/6995/files/17343969291.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 8

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_off00007903.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7903 5556 bytes
SHA-256: ff14a6f383b3634cc7a08dfcc4ecc6adc33a5934c8dc8898d60e93584c1bfadb
font_01_sfnt_off00008bda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BDA 1936 bytes
SHA-256: 73983ccd477f0e4c07634362c0f9f13a23cea415a26bff37f7f125d59a681190
font_02_sfnt_off0000951d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x951D 10848 bytes
SHA-256: 9f7cf33d72a6c7ffad86704dad4296489b359bc062872f8f4ca265b18db79b09

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