Malicious PDF — malware analysis report

Static analysis result for SHA-256 cedbb0ddc7d03ba9…

MALICIOUS

PDF

44.2 KB Created: 2020-08-19 11:46:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 91e5083636eabd31face37186420d392 SHA-1: bb36a3830e005792c3ec9cf490c6d866b052affe SHA-256: cedbb0ddc7d03ba9a5397343701dee487b43dd12677a9df0e7b7c1e7518c265c
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at `https://ttraff.cc/pify?keyword=d2+xenophage+quest+guide`. This suggests a phishing or scam attempt, using a game guide lure to entice clicks. The document body, though heavily obfuscated, contains the malicious URL and other benign-looking PDF links, reinforcing the lure.

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=d2+xenophage+quest+guide In PDF document text
    • http://files.ryanshowland.com/uploads/1/3/0/8/130814058/2166429.pdfIn PDF document text
    • http://files.create-diy-online.com/uploads/1/3/1/0/131069898/7fad07121a.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/1/0431/8255/5300/files/ark_dye_command.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1558/5448/files/andrographis_paniculata_review.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7931/0239/files/expanse_reading_order.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1695/3751/files/xabugejawuwamefuzepif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87967576867.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3935/0181/files/33981871622.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wajumibuxup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6866/1670/files/judavup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5458/7288/files/6584134271.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5494/0828/files/vigirosim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0176/6310/files/canara_bank_current_account_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0577/0904/files/4721974386.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_off00006f66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F66 5416 bytes
SHA-256: 23f6bed17d6d92bbbdd53092511ab347e488182bbfb41ca26d028ffcd4d2aadb
font_01_sfnt_off000081cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81CF 10128 bytes
SHA-256: cca79dffe9d72cc91f015c8fba8b6d230d8e37130a29cd4a11efb0f32fc43d08

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