Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f48ff12b2fd653f…

MALICIOUS

PDF

42.9 KB Created: 2020-08-20 23:53:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 042e1985ed3515695a447a66d27fe710 SHA-1: e3b62746ff552be2ec3297764d19034a7fb176a5 SHA-256: 2f48ff12b2fd653f2a115b2d3e6036fdb08952909640ab0a81d67d8f4e8d840d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and references 'Czytanki dla dzieci angielski pdf', suggesting a lure. The presence of numerous Shopify-hosted PDF links, while many are benign, indicates a potential link farm strategy to obscure the malicious destination. The primary malicious IOC is the ttraff.com redirector.

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=czytanki+dla+dzieci+angielski+pdf In PDF document text
    • http://files.rethinkstigma.org/uploads/1/3/0/8/130874240/dazoladanifip.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/1/0434/7750/0056/files/quote_text_discord.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0729/3086/files/22270688006.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5165/6102/files/karalejurixarewutuvux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2289/8584/files/fanoposomerewipibi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7448/6421/files/robin_hobb_book_order.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7895/9775/files/tizopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9717/6741/files/american_english_file_book_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7652/7014/files/world_of_warcraft_rpg_dark_factions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5618/4992/files/vipunasavidezidofukutegu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9394/0629/files/mesusonibarawimi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4384/0412/files/dememitonejoxanaxepof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4082/3706/files/aspects_of_sustainable_development.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_off00006813.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6813 5348 bytes
SHA-256: 6ad4c9bf12993ef9cc077c05a1a6c12fabb13286e6666bb9e3136881999ae8ac
font_01_sfnt_off00007a71.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A71 11472 bytes
SHA-256: 9628620707b29485af34e8eca39aaf38780227d5d9f2b65ccc9ac17e2eda4413

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