Malicious PDF — malware analysis report

Static analysis result for SHA-256 da46f959bf8a0c9d…

MALICIOUS

PDF

56.7 KB Created: 2020-08-05 06:01:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3353202bfd530207b4dc20f0685d3aea SHA-1: b6b0ffbe421e1476a4b49a5d82c941f5501f0124 SHA-256: da46f959bf8a0c9dae6a23fcafcf254d068be3d7b7ff5ca838750dd781c9563c
202 Risk Score

Malware Insights

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

The PDF file contains a lure related to an accounting internship report, designed to entice users to click on embedded links. One such link, https://ttraff.ru/wb?keyword=accounting%20internship%20report%20sample%20pdf, is identified as a malicious redirector. The file also exhibits characteristics of a link farm, with numerous external PDF links, many hosted on cdn.shopify.com. The presence of these elements suggests a phishing or redirection attack.

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.ru/wb?keyword=accounting%20internship%20report%20sample%20pdf In PDF document text
    • http://files.teamgodent.com/uploads/1/3/1/3/131379248/zalitixaxo_lojoferax_zurizeli_buvem.pdfIn PDF document text
    • http://files.challenge2grow.be/uploads/1/3/1/1/131163658/6531434.pdfIn PDF document text
    • http://files.vintage3djoes.com/uploads/1/3/2/7/132740606/fcde078518.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/1/0432/5936/3488/files/84329032041.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7513/2824/files/93518869083.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7243/7910/files/18490008714.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/18983443830.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4444/5079/files/22330087508.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0527/0437/files/pukizogatokifagogemewuted.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9582/5320/files/14287311216.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7235/6505/files/vitirodewajotuwozisifobi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4070/9527/files/venous_ulcer_vs_arterial_ulcer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3042/9352/files/33046929085.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3213/3278/files/rijipifebukaxuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5598/6326/files/bazuronav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9980/8149/files/tufez.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 6

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_off00009f87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9F87 5556 bytes
SHA-256: f8e64c52e4baa7e20e0289e561916e79004b55abb2cc230e6dc386d47fe3329b
font_01_sfnt_off0000b246.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB246 10568 bytes
SHA-256: 07b3249acf0263781a347f9c86a5b5fae0527be48c53c2bc1dbf395aff56b0aa

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