Malicious PDF — malware analysis report

Static analysis result for SHA-256 d06b3da3c6cffd3c…

MALICIOUS

PDF

44.3 KB Created: 2020-08-03 19:10:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b1d4ce2e882e282accc88a145d2ecb88 SHA-1: 5478920c26bd1e50c1df1dd29220e4cf61e8198c SHA-256: d06b3da3c6cffd3cd0901708ff0d7c220f80fbc723394dd8b234496e8b05cb7b
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external PDFs hosted on various domains. One of these links, https://ttraff.com/pify?keyword=the+beatles+complete+scores+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to the same URL, suggesting a lure to a malicious site disguised as a PDF download. The ML classifier also strongly indicated maliciousness.

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.com/pify?keyword=the+beatles+complete+scores+pdf In PDF document text
    • http://files.heartfelthealingcounseling.com/uploads/1/3/0/8/130873822/xezibojes-fates.pdfIn PDF document text
    • http://files.travelingbrixtonroad.com/uploads/1/3/1/8/131856005/9133a.pdfIn PDF document text
    • http://files.malteschuermann.com/uploads/1/3/1/4/131406086/tosoneb_fozasuvuxewik_kevomej.pdfIn PDF document text
    • http://files.limelitextreme.com/uploads/1/3/1/1/131164252/milunudagubudex.pdfIn PDF document text
    • http://files.kairos-engineering.com/uploads/1/3/1/3/131398515/2372998.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5247/3252/files/dosis_paracetamol_bayi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1097/4108/files/27645649581.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3775/3501/files/buwosexamasudazawovodurol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1149/7366/files/75491678104.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2603/9463/files/85663701917.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5214/5560/files/akon_most_popular_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3654/9018/files/78370961104.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9861/2636/files/zupamerabezazupuwor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1466/7934/files/vopoxijuladej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0776/9750/files/linuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6842/3334/files/sovodetinu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5823/3493/files/7592200376.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3785/9735/files/mifiwalotuzamerixurusaf.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000060de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60DE 5116 bytes
SHA-256: b0f9fc8ca391afb959101c557165ad4891918729b651303f0db896b0e5b100bb
font_01_sfnt_off00007236.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7236 10524 bytes
SHA-256: e157b565a86a69313866872c913904f076ed5b7ba2c4404ac0d1360e16a4afe2
font_02_sfnt_off000095e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95E6 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3