Malicious PDF — malware analysis report

Static analysis result for SHA-256 a069b55a069a6b19…

MALICIOUS

PDF

41.8 KB Created: 2020-07-15 01:32:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9d6015ff49f6441c13e67034797d324c SHA-1: 4ac987888cd1b18b8e53e6feac51f96028e1c1e1 SHA-256: a069b55a069a6b190e5064c7619824ad8ae0081799065e2227204673ee0bab93
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wb?keyword=the%20winky%20wonky%20donkey%20pdf'. Additionally, it exhibits characteristics of a PDF SEO link farm, with numerous embedded links to external PDF files, suggesting an attempt to manipulate search engine results or distribute content through a large network of sites. The ML classifier also strongly flagged this PDF as malicious.

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.cc/wb?keyword=the%20winky%20wonky%20donkey%20pdf In PDF document text
    • http://files.valencialawyer.com/uploads/1/3/0/7/130739510/botixisozi.pdfIn PDF document text
    • http://files.simonesoernsen.com/uploads/1/3/1/3/131383514/c9d5b8fa8.pdfIn PDF document text
    • http://files.grantbomberbarker.com/uploads/1/3/0/8/130814535/wifilubab.pdfIn PDF document text
    • http://files.fpblair.com/uploads/1/3/2/6/132695465/vilitufepedi-zeruwuzudamij-kufadaja-muxonosiwasovu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://ximuzasonuzi.files.wordpress.com/2020/07/xibopuzatub.pdfIn PDF document text
    • https://satipukaza.files.wordpress.com/2020/07/solazolawebexafoku.pdfIn PDF document text
    • https://sotetusuveti.files.wordpress.com/2020/06/57425033462.pdfIn PDF document text
    • https://xalokivufom.files.wordpress.com/2020/07/43934461478.pdfIn PDF document text
    • https://nisawutuvava.files.wordpress.com/2020/06/turegatoxepob.pdfIn PDF document text
    • https://taxevuvax.files.wordpress.com/2020/07/gufonoxeso.pdfIn PDF document text
    • https://paxiboboguni.files.wordpress.com/2020/06/xovibarulujubitokigog.pdfIn PDF document text
    • https://lavesuv.files.wordpress.com/2020/06/rogefesagugodojepu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9708/7390/files/gerafofubup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3316/5986/files/zumefivijupaveziduxirader.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/68905528383.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4474/8950/files/menagalok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8451/3440/files/44064320653.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0080/7070/files/90435990044.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_off00006178.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6178 4528 bytes
SHA-256: cd900638384c54362a13fe5e984bdac1a2421f9939bdb5bbb93e7b0a146f09fb
font_01_sfnt_off000070e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70E0 14368 bytes
SHA-256: 4205d1d4243567305b25f7fb3d8d360f6d038cb6b043d5b8f716e62d1e918605

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