Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec6d26a00aa031df…

MALICIOUS

PDF

38.5 KB Created: 2020-09-17 12:13:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fe9a32316d4fff2307f0c8427169882f SHA-1: f8257e7c419be3cf9e656e1e2ca4f3404ee9113e SHA-256: ec6d26a00aa031df0afaa378c0251b696e55f89f75119d091ac5b07898805cea
184 Risk Score

Malware Insights

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

The PDF document contains numerous links, including one pointing to a redirector associated with malicious activity. The document body also contains a direct link to a redirector disguised as an APK download. This suggests the document is designed to redirect users to malicious sites for further compromise. 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.
  • 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=real+steel+champions+apk+download In PDF document text
    • http://faxinan.twincreekgoldens.com/uploads/1/3/0/7/130775732/5890068.pdfIn PDF document text
    • http://files.monicamking.com/uploads/1/3/0/7/130738960/7e5700089f9bec8.pdfIn PDF document text
    • http://files.karriemichelle.com/uploads/1/3/1/4/131437061/579207b30fb462.pdfIn PDF document text
    • http://nibiger.hphanoverians.com/uploads/1/3/1/0/131070301/5093654.pdfIn PDF document text
    • http://files.patriciacarriganartist.com/uploads/1/3/1/0/131069860/wemani-podow-repuwewab.pdfIn PDF document text
    • http://files.wanyunshao.com/uploads/1/3/0/8/130874066/wikesuv_nipujulurabob.pdfIn PDF document text
    • http://files.evolutionaryconnections.co.uk/uploads/1/3/0/7/130775768/rekofudeguriv-niwafenowimuki.pdfIn PDF document text
    • http://files.warkprimaryschool.co.uk/uploads/1/3/1/4/131454620/dusereluf-kegeja-vomedisewedenuv-bapexaximo.pdfIn PDF document text
    • http://zaxigum.hollyspringswellnessgroup.com/uploads/1/3/1/4/131438672/tipof_pifemasumi_demajezop_wisegi.pdfIn PDF document text
    • http://guteme.kyler-leroux-coaching-portfolio.com/uploads/1/3/2/6/132681579/70186f4792f8.pdfIn PDF document text
    • http://vozisabu.sugarroseteapartyhire.com/uploads/1/3/2/7/132710654/dubalafowapilabilir.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/1/0431/5411/2672/files/96668089544.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4389/4934/files/tupolusasuwaloruti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/11085861466.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4933/7507/files/18265783584.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_off000057ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57EA 5380 bytes
SHA-256: d2981221510e2ce06d45fdec7215c8ee3adcfb83ea0f4c4cc1ba970e87243803
font_01_sfnt_off00006a23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A23 10284 bytes
SHA-256: e2eacf00a1e0fba08e5904fa9b26613b7f3b87785f1c698aab927f78eb8f99b3

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