Malicious PDF — malware analysis report

Static analysis result for SHA-256 890d0903dcef241f…

MALICIOUS

PDF

50.0 KB Created: 2020-08-18 14:58:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3f0d89defb1f3e5d3bf587c84739d3ff SHA-1: d5c6ffb397b4e77ae7f0b30bf3d8aa42a94c9687 SHA-256: 890d0903dcef241feb422def96feca158d80535f7c5bb13220a45c775e376207
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, many pointing to Shopify domains hosting other PDFs, but one critical link redirects through 'ttraff.cc' which is flagged as malicious. This redirector is likely used to obscure the final destination and potentially deliver a malicious payload or phish for credentials. The document body, though heavily obfuscated, contains the same lure text and the malicious redirector URL, indicating a deliberate attempt to trick the user into clicking.

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=gchq+puzzle+book+questions+and+answers In PDF document text
    • http://files.sandiegobromeliadsociety.org/uploads/1/3/1/4/131411688/d8c6a9f275.pdfIn PDF document text
    • http://nubegetom.davidcmahler.com/uploads/1/3/1/4/131482995/6251863.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/1/0431/2639/0946/files/gorukixawigowiporudi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7827/7525/files/bruce_almighty_movie_hd.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/8378/6392/files/asking_questions_in_french_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8803/6505/files/34856019847.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9550/7622/files/14143916219.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9072/2472/files/47828312336.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4325/8519/files/analysing_qualitative_data_in_psychology.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7509/2132/files/authenticity_in_popular_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2060/6885/files/1_cm_grid_paper.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 3

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_off0000752b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x752B 5548 bytes
SHA-256: 3a3cefabbb566b0e2f82def518817e917d52ce3ce07487490ff5891f11d282d9
font_01_sfnt_off00008811.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8811 10932 bytes
SHA-256: 483658d17c39c745609cc49564cd5a99bea01552cd8b98b32673521361c5fde3
font_02_sfnt_off0000ad61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD61 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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