Malicious PDF — malware analysis report

Static analysis result for SHA-256 b53b68f508c802b6…

MALICIOUS

PDF

49.8 KB Created: 2020-09-18 04:14:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 79ffa26367c394b4cb7078d5461bb649 SHA-1: ed07b39e666691a481e0499dafc121ab3baa7e64 SHA-256: b53b68f508c802b677f7b0772756fd57ee1edf77bea294734dd5b839df7b0c73
184 Risk Score

Malware Insights

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

The PDF file was flagged for containing a malicious redirector link and a large number of external links, suggesting a link farm or phishing attempt. The primary malicious URL identified is ttraff.me, which is used to redirect users to potentially harmful content. The document body contains garbled text but also includes the malicious URL and several other PDF links, reinforcing the link farm heuristic.

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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.me/wix?keyword=las+cr%25C3%25B3nicas+de+narnia+personajes In PDF document text
    • http://files.florarosatherapies.com/uploads/1/3/1/8/131872055/4659144.pdfIn PDF document text
    • http://paxufux.mccombwholesale.com/uploads/1/3/2/6/132682137/624b51f3e72.pdfIn PDF document text
    • http://files.lindamkurth.com/uploads/1/3/2/8/132815298/lifud.pdfIn PDF document text
    • http://files.swimmingbangkok.com/uploads/1/3/2/6/132695325/puvisamuloluwip-mevozi-jogemamopuki.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://62620412-b93b-44cf-bcee-49ce7e5ac4b5.filesusr.com/ugd/3bbd68_777785931acc4a8da7ac427c9b3b9ae8.pdf?index=trueIn PDF document text
    • https://13ef9f06-1e82-4aa6-899b-73ddf1b8be83.filesusr.com/ugd/89064d_00be94d3b9b241048fed8c030f71f73a.pdf?index=trueIn PDF document text
    • https://3eff455a-2c6b-4a78-8554-3a92923474cd.filesusr.com/ugd/76156b_700cbbb5e1b34817ab7277fa75d45d35.pdf?index=trueIn PDF document text
    • https://d6c161c7-58a0-4a94-a503-cb439055b794.filesusr.com/ugd/fedf23_806580a32d1d46aab2585aa32962d26b.pdf?index=trueIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/7864/2581/files/ingram_mac_10_45.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/9646/1732/files/tefofi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0993/1426/files/70421772739.pdfIn PDF document text
    • https://98523af1-20fd-4682-b2c3-cf34c2a22537.filesusr.com/ugd/21e9e0_a08cc183a29e4764970fbc1fe1668d5f.pdf?index=trueIn PDF document text
    • https://1ea7fe19-32fb-4497-b482-3b9143b5c794.filesusr.com/ugd/1cc777_f54addf2ceee4775a74ba2ee8c02880a.pdf?index=trueIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000761f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x761F 4896 bytes
SHA-256: 819620cb34a9d6bec20bdcc40cfbf918ee10b64babb38a294c62e38c3ce3b86c
font_01_sfnt_off00008680.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8680 10992 bytes
SHA-256: 617d934094092d7f603d1412e002e0313c3c91a047500c9da3e557efb088c4db
font_02_sfnt_off0000aa66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA66 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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