Malicious PDF — malware analysis report

Static analysis result for SHA-256 2088f24ccde2d748…

MALICIOUS

PDF

34.7 KB Created: 2020-08-16 22:47:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 589be23ca9d160f8f04ae6781448472d SHA-1: 00c3870fffd86a498902aeeabf12b2084fab663c SHA-256: 2088f24ccde2d7485e0a0afa7ea2e0897c625727df2045bf396718d683bb2cde
202 Risk Score

Malware Insights

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

The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The presence of a 'download button' heuristic further suggests a lure to click on these links. The document body, though partially corrupted, contains the malicious redirector URL and a benign-looking PDF filename, indicating an attempt to disguise the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=sad+song+bansuri+ringtone In PDF document text
    • http://files.detroitbiblequizzing.org/uploads/1/3/0/7/130739922/5491069.pdfIn PDF document text
    • http://files.jamestowneducationfoundation.org/uploads/1/3/1/6/131606890/0bf72222f.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/1/0438/4151/9776/files/work_study_in_apparel_industry.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9180/2777/files/95673468670.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8184/3356/files/39838714743.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3316/5986/files/bozezanokojawajud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7016/7967/files/hitomi_tanaka_bus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0901/4934/files/bar_chart_template_powerpoint.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4389/5958/files/eclipse_free_for_selenium.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8642/9861/files/9750110409.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9569/5267/files/julaxewufizuworimanunufo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sejil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6346/0508/files/air_pollution_essay_in_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2880/6807/files/52517990784.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8347/2802/files/79497711844.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1332/2398/files/mapusinaxuposebaboforeve.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004b4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B4E 5204 bytes
SHA-256: 1e9de889f0593227ce9ec8a5548fd85674eb2594faeeda6edb4d4c0ebfecd977
font_01_sfnt_off00005d00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D00 9684 bytes
SHA-256: e474e4fc0d4b0a66f29708b2dfab327a65521c7e30a922ac35c21345f1847aa2

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