Malicious PDF — malware analysis report

Static analysis result for SHA-256 52dc952f68525466…

MALICIOUS

PDF

45.4 KB Created: 2020-08-11 22:03:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7079fdb100dc67f42051b4752249daa8 SHA-1: fb60a478d46f69c8e65a040aee46cf655d0b8650 SHA-256: 52dc952f68525466f22c65ddc446664ebd461f12ed71c63364659e8a27771fd8
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains references to the URL and appears to be a lure for 'Age of Sigmar Bretonnia PDF'. The primary attack pattern involves redirecting users through a link farm to potentially malicious content. No scripts were extracted from this sample.

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=age+of+sigmar+bretonnia+pdf In PDF document text
    • http://files.atcentershop.com/uploads/1/3/0/8/130814227/xewaxabebup-dines.pdfIn PDF document text
    • http://rozelaw.ventnorbeachrental.com/uploads/1/3/0/7/130775897/048312.pdfIn PDF document text
    • http://wovozezup.literarycats.com/uploads/1/3/1/4/131453109/7e380792607a.pdfIn PDF document text
    • http://files.kickswim.com.au/uploads/1/3/0/7/130739883/3638683.pdfIn PDF document text
    • http://files.richmondcountylittleleague.com/uploads/1/3/1/0/131070518/5904407.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/1/0431/2963/4970/files/25683389316.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7351/9269/files/59327148630.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6495/8879/files/seagate_disc_wizard.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1045/7753/files/68622197360.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1641/1547/files/jefetotomef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/1961/2839/files/dixig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0635/3823/files/algebraic_formulas_for_class_10.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3296/0409/files/eye_bolt_standard.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8739/6004/files/korean_alphabet_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9900/4827/files/78309016269.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1503/5290/files/convert_to_jpg_linux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0238/7867/files/algebra_for_college_students_robert_blitzer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9462/0837/files/buzadurezedereguzuzi.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_off000072f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72F4 5456 bytes
SHA-256: 2febccf629aa5cef66f42ceee80eef2cdbac64e84f494e2a833b58f8e27943d7
font_01_sfnt_off00008566.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8566 10300 bytes
SHA-256: 792475a7b82ea810ed7af8d7f9fce3e6c5c74022fec78551afcbd3d4edb94c12

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