Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ae24331dd11064b…

MALICIOUS

PDF

49.3 KB Created: 2020-08-17 10:02:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7ccf9c0c6215eb43bc1566042a6e25fc SHA-1: b750d50937a9fc8da5918b73fb6959f9dc48b3bd SHA-256: 9ae24331dd11064b02b57b3db688541d9db7a17267e1ef80bcd15d2043c93ddf
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical redirector link pointing to traff.cc, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains the target URL, suggesting the user is intended to click this link. The presence of numerous Shopify-hosted PDF links suggests an attempt to appear legitimate or to host payloads.

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=synonyms+and+antonyms+worksheets+grade+8+pdf In PDF document text
    • http://disun.digitoutdoors.com/uploads/1/3/0/8/130814328/jedubupen.pdfIn PDF document text
    • http://files.goringandstreatleyprobus.co.uk/uploads/1/3/1/3/131381919/d2de34b.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/1/0433/6710/4668/files/nigijigage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0951/5413/files/felumuposanovimunure.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0828/6105/files/excel_pivot_table_report_templates.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/1647/6056/files/kipalebapoponuta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2381/0203/files/96695256487.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2465/4241/files/78648494826.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2661/9288/files/guvogemopanu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9896/7974/files/blank_nid_card_psd_file.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0458/5426/1401/files/adm_app_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71340125447.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/9968/0922/files/java_script_drop_down.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000072f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72F6 5720 bytes
SHA-256: 59d0038780666bb41292903168d5eb107229b7bd72620f60ca7003416c18fc93
font_01_sfnt_off0000864c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x864C 10596 bytes
SHA-256: 4bef906a1df505218f984b2ddac598a200e9a9c47745b9a0a1706e7fe844218f
font_02_sfnt_off0000aa6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA6A 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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