Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e6b1babb78bc8a3…

MALICIOUS

PDF

32.7 KB Created: 2020-08-12 06:25:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3b40c0f5b41871f577622dc13934de29 SHA-1: cc43bf6aa82647c655fc16a341188752c428c3e2 SHA-256: 9e6b1babb78bc8a3d39fc32188d21451ffb7eb8540ff0d5ae494d78cce32a873
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 a redirector service known to host malicious content. The document body, though corrupted, appears to contain keywords related to educational worksheets, suggesting a lure to disguise the malicious intent. The primary malicious link identified is https://ttraff.com/wb?keyword=increasing%20and%20decreasing%20graphs%20worksheet, which is likely used to direct users to further malicious sites.

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/wb?keyword=increasing%20and%20decreasing%20graphs%20worksheet In PDF document text
    • http://files.whitefishbaygardenclub.com/uploads/1/3/1/4/131406075/mawazubunusotebi.pdfIn PDF document text
    • http://files.paintedturtle.co/uploads/1/3/0/9/130970016/1785783.pdfIn PDF document text
    • http://files.kelvinngmagic.com/uploads/1/3/0/9/130969080/jabotixodifuk-rulesarilut-mojutotojupiduk-nekevojide.pdfIn PDF document text
    • http://files.musicianarchive.com/uploads/1/3/2/8/132816041/8137726.pdfIn PDF document text
    • http://kupozuwes.organamusicgroup.com/uploads/1/3/1/3/131381489/zinijali.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/1/0437/6517/0334/files/biophilic_and_bioclimatic_architecture.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2930/7287/files/24625781436.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6525/3792/files/53693545031.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6859/6123/files/statistics_definition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0023/3112/files/tomogekujiguvoxemu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4516/5975/files/modals_of_future_possibility_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0954/6136/files/fitexabugabosatenetume.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3630/3782/files/68521478239.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8799/5807/files/tetegodewiwokibuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4003/9324/files/figamepisaguvapeji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7967/2735/files/chawla_composite_materials.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6248/5407/files/gizinefibarujapigipibofa.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 5

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_off000044a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44A3 5396 bytes
SHA-256: fc1bf92b82b2fa6715a7060871bbaa4c525cdcbf8b1080c336da1544d743b70b
font_01_sfnt_off000056fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56FE 9120 bytes
SHA-256: 733e1b6dfd3df6f4a2d8934e1d8147b1f21ae097ffdf0d0a0e21fe7b57e29708

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