Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1d08a701cbb30f2…

MALICIOUS

PDF

39.6 KB Created: 2020-08-12 11:08:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: da0bed5c924c4fc23809c0b997aebafd SHA-1: 1b711cd8d57265129395d7fedbb2331beb6562fa SHA-256: d1d08a701cbb30f2c8325329f958d21be49e27976c7db620c348b9e3927a06e5
202 Risk Score

Malware Insights

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

The PDF document contains a link farm and a specific malicious redirector URL, suggesting it's designed to lead users to malicious content. The document body, though heavily obfuscated, contains text related to 'carers allowance form pdf', aligning with the SE_INVOICE_LURE heuristic. The primary malicious URL is https://ttraff.com/pify?keyword=carers+allowance+form+pdf, which likely serves as a redirector to further malicious sites.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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.com/pify?keyword=carers+allowance+form+pdf In PDF document text
    • http://files.wendymooreela.com/uploads/1/3/0/8/130813516/widugoraruziw.pdfIn PDF document text
    • http://puwunama.hormoneandwellnesssolutions.com/uploads/1/3/1/6/131607163/sukidamuwavaka.pdfIn PDF document text
    • http://vonaxu.totalcbdhealth.com/uploads/1/3/1/6/131607131/zuworotoxijukifuruj.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/1/0435/7799/9519/files/87873681015.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3897/3857/files/kimefev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4340/4441/files/bedegoveke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5417/8216/files/56126359872.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1935/4791/files/24573292607.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5789/7882/files/basic_medical_microbiology_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4198/7479/files/bikagav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9964/4314/files/auditoria_informatica_ejemplo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6585/1542/files/39424414120.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9864/5404/files/a_dozen_a_day_book_3_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3458/0891/files/guleku.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 2

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_off00005e01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E01 5296 bytes
SHA-256: fc833668775fb5462ee67829b4ee428a4c104239b7ddc905a7107c2646b17696
font_01_sfnt_off00007004.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7004 9944 bytes
SHA-256: fc1b8be89099dfb1b47a9783d6922aca558c6d2ea099181f315f250fc971c994

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