Malicious PDF — malware analysis report

Static analysis result for SHA-256 bded6e5f600bf229…

MALICIOUS

PDF

40.5 KB Created: 2020-08-08 07:18:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 110ec295039d11c5a16fcaa4c000a80a SHA-1: b80d1fc996db605151b398b5249644523a65839d SHA-256: bded6e5f600bf22944cd4c2a0844ca1225a9c71f1376c2d4a1ac633537eedb07
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=electrophilic+addition+reaction+pdf', indicating a lure to a potentially malicious site disguised as academic 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.cc/pify?keyword=electrophilic+addition+reaction+pdf In PDF document text
    • http://files.studio.dayafoundation.org/uploads/1/3/2/3/132303373/fonulu.pdfIn PDF document text
    • http://files.mindandworld.com/uploads/1/3/1/4/131453253/furerunaruxosogat.pdfIn PDF document text
    • http://files.bohemianattic.com/uploads/1/3/1/0/131070618/zixopi_kodovajofogexew.pdfIn PDF document text
    • http://files.frabranch159.com/uploads/1/3/2/7/132740804/8883966.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/1/0433/0687/7080/files/96512150342.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1350/3133/files/99790213232.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5219/4202/files/43865821171.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5982/2244/files/bloodlines_book_6_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3309/1480/files/xojuwabobuwap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3002/0247/files/regupojevetesafi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/the_historical_novel_gyrgy_lukcs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4526/5318/files/juzupoxajepeninegujetitu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1900/2279/files/vuxepopisa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4976/3487/files/8776672408.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6074/7688/files/88033361363.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 5

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_off0000602a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x602A 5024 bytes
SHA-256: a122d416bbda56565c7485fed14f99370aaef65465dfe29f934b476bbc0d45cf
font_01_sfnt_off0000713d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x713D 10556 bytes
SHA-256: d3c69fb45243749319f5eac979fb4b5d902a996ec57b5a8d63773dbc0e54f336

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