Malicious PDF — malware analysis report

Static analysis result for SHA-256 a89600389d434c48…

MALICIOUS

PDF

34.0 KB Created: 2020-08-18 23:31:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9b4209aacc7869cb93eed952ce1c81d2 SHA-1: 88d24bfdc82b3073be5d261e1f370a307471d9e2 SHA-256: a89600389d434c48053e1c5a9d243cf58b98d47e3ca2bdf66edeb7a0772149cc
194 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. This suggests a tactic of using a link farm to obscure the ultimate malicious destination. The ML classifier also strongly indicated maliciousness. The primary malicious URL identified is https://ttraff.com/pify?keyword=born+to+die+absence+remix, which is likely used to funnel victims to further malicious content.

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=born+to+die+absence+remix In PDF document text
    • http://files.grcrowfamily.com/uploads/1/3/1/0/131070190/3426f7e.pdfIn PDF document text
    • http://files.moniquedlopez.com/uploads/1/3/1/4/131453990/f41d08492bab.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/1/0429/8607/8369/files/zoretinotogiwukug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4394/6649/files/calf_and_hamstring_stretches.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1355/1774/files/aristotle_poetics_in_bengali.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0814/8127/files/79607908418.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/2979/4713/files/valores_morales_libros.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1142/1854/files/adobe_after_effects_tutorial_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6418/1404/files/dariramub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7252/0352/files/74489326824.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2330/8712/files/wipol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3191/0821/files/98536789079.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7151/2480/files/7129958578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3998/8648/files/78226468093.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000044ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44ED 5312 bytes
SHA-256: 72a2da0f642b704a32ab6178648759e7a04de5fd81b8dddff7c8f3b6f1973422
font_01_sfnt_off000056e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56E2 11848 bytes
SHA-256: 978bc3118456639f97de9cb9eb9b9c8efdfebce7772ca2a0385da06359d953c9

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