Malicious PDF — malware analysis report

Static analysis result for SHA-256 48b6957fb3fc2bea…

MALICIOUS

PDF

36.8 KB Created: 2020-08-19 03:47:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: be0744f7e4b8ac3ddeee59fbe28f9e03 SHA-1: 7f1be83f6ec41500d447cba417b040975d208148 SHA-256: 48b6957fb3fc2beaafce731dd175a09703711416cb3f99c7f6559f755a3d0e4a
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Application for employment form nz' and the malicious URL, suggesting a phishing lure. The presence of numerous external links, many hosted on Shopify, indicates a link farm designed to obscure the ultimate destination.

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.cc/pify?keyword=application+for+employment+form+nz In PDF document text
    • http://files.hallenelaw.com/uploads/1/3/0/8/130815009/4d0e33786d.pdfIn PDF document text
    • http://goziten.alexismariephotoanddesigns.com/uploads/1/3/0/7/130739654/sesani.pdfIn PDF document text
    • http://zuzox.kdrose.com/uploads/1/3/0/8/130874153/8272813.pdfIn PDF document text
    • http://veposin.markromangbooks.com/uploads/1/3/1/3/131398020/gisej-zoxivofonuraxu-foxeju-jisuzukob.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/1/0434/8336/5528/files/aircraft_registration_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1959/7981/files/80526558206.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6122/9206/files/toravosi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5929/0022/files/rapuzoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7912/2587/files/syntax_score_ii.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1087/4777/files/37547512757.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5796/2405/files/buwaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1905/7826/files/fusasotapedul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4021/1105/files/tupilogikinekedufikizugix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wulusiwebope.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8152/2599/files/rodanadi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7302/8775/files/12520121666.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7945/0272/files/39484718340.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3518/1734/files/5137972047.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 4

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_off00005464.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5464 5124 bytes
SHA-256: 847022d24ec2d8085c63f88632d3ef20c9a7597674ed3252d63fee975fa378f5
font_01_sfnt_off000065c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65C2 9448 bytes
SHA-256: b824b70e77cc853a927a9cac3ffa71b5fbb576475d713fddedc257bf81ec7c0f

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