Malicious PDF — malware analysis report

Static analysis result for SHA-256 422677047ab874b9…

MALICIOUS

PDF

40.4 KB Created: 2020-08-15 08:42:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: beb78160e70ca74c88dc638ae4921c8e SHA-1: d822df3ad40cadd6f0e7bb8ebe395f1355e46f7f SHA-256: 422677047ab874b9d4f3a68f16d8d376e93f4a1bff2618d18c3c92455f423797
234 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link that leads to a download prompt for a virtual printer, likely a lure for malware. The document body, though heavily obfuscated, contains the same malicious URL and several other URLs hosted on Shopify, suggesting a link farm for SEO poisoning or distribution. The presence of a malicious redirector and the nature of the lure indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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=descargar%20impresora%20virtual%20pdf%20windows%2010 In PDF document text
    • http://files.agconfoodsafety.com/uploads/1/3/1/3/131398377/8906183.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/1/0431/9395/8560/files/kalemanasidawutokosonebe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1109/6221/files/xitinisawigijuji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4272/5275/files/sasitatalilozudej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1502/0448/files/27326207352.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6354/8833/files/4133842348.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1767/4656/files/accountant_job_description.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8233/3856/files/wezadutolositamuguxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0695/9514/files/puma_air_compressor_parts.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8937/1040/files/greenhouse_effect_causes_effects_and_solutions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9281/1669/files/curso_tecnico_de_caldeiraria.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4757/4943/files/keltron_capacitor_datasheet.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 1

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_off00005c6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C6D 5820 bytes
SHA-256: c4d1073dfc74aaecd1647ad755d709eb034279c478b42cf35f6c16b51b995d63
font_01_sfnt_off00007045.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7045 10612 bytes
SHA-256: a8ad92b4d2d81f9c4111c57c078ce15cae44b8d6b1c59117ff0e5e632eb9f17f

Open this report in the interactive analyzer, or submit your own file for analysis.