Malicious PDF — malware analysis report

Static analysis result for SHA-256 c573c18ff0e3ad03…

MALICIOUS

PDF

132.3 KB Created: 2020-08-02 03:57:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cee0478843e79ea28f437916234cf089 SHA-1: 5835f1e6c4e39643eee81ab9ca5b8ab34415913f SHA-256: c573c18ff0e3ad037a13ed48ea718c646347b9e4d0a47ae09d8abf91f09875f0
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, many pointing to redirectors and SEO link farms, indicating a phishing or scam attempt. The primary malicious URL identified is https://ttraff.com/pify?keyword=wax+wings+gungeon, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL, suggesting it's the intended destination for 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.com/pify?keyword=wax+wings+gungeon In PDF document text
    • http://files.emeraldislerr.com/uploads/1/3/0/7/130739366/nupiriranono.pdfIn PDF document text
    • http://files.jbclavaud.com/uploads/1/3/0/7/130776483/zapizasixaweju_medadajogaf.pdfIn PDF document text
    • http://files.27andoak.com/uploads/1/3/0/7/130775607/db1968ab5bf67d.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/1/0429/1470/9663/files/79868765843.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1184/1949/files/43075943192.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8351/3494/files/81107398334.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5333/5207/files/81181231901.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/10005199543.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0227/3697/files/88004051865.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0269/9681/files/wobisekufeboxoxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2451/5235/files/91817797979.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1053/1238/files/22400356183.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0958/6846/files/72010158089.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5392/2981/files/mifarusa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/80278007767.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6254/1982/files/watch_tower_quest_osrs.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 7

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_off0001ce81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1CE81 4896 bytes
SHA-256: 36f9555dea9b64bcb75d8982b55d2d7ed9a691ad3a6202de572c7f806b508d5c
font_01_sfnt_off0001df64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1DF64 10844 bytes
SHA-256: 2d4b6fbe125b80318e1a51f488f7756d09636015b989fbeff6d2ef454a711bf2

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