Malicious PDF — malware analysis report

Static analysis result for SHA-256 795305663431469c…

MALICIOUS

PDF

46.5 KB Created: 2020-08-13 23:30:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5a8089197053668790464e3052dcdad6 SHA-1: 17740775cbf8a487ad8f457879c539230b41d04c SHA-256: 795305663431469c0ce0cc7bb511075d6070058544e00c7a6a888f0c21cf097a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains a large number of embedded links, many of which are part of an SEO link farm designed to redirect users. One prominent redirector URL, https://ttraff.com/wb?keyword=same%20sound%20words%20list%20pdf, is flagged as malicious. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to exploit users via social engineering and potentially drive-by downloads or phishing.

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=same%20sound%20words%20list%20pdf In PDF document text
    • http://files.thepaisleyrose.ca/uploads/1/3/1/3/131383657/kulebuxevibaga.pdfIn PDF document text
    • http://files.asnyderweb.com/uploads/1/3/1/3/131379113/bb8b86877d0.pdfIn PDF document text
    • http://wevafer.artistsusiewest.com/uploads/1/3/0/7/130738902/vijujega_nunamuj_bovapipabager.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/1/0433/9191/0038/files/jisufamesibotakodido.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/4016/7320/files/python_clear_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6200/9755/files/44981772323.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7922/1927/files/tosipumagareru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/9006/3003/files/lok_sabha_election_date_2020_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1110/5191/files/jemalugukewasagapageju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5143/3627/files/osrs_wilderness_gwd.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2499/8819/files/carol_of_the_bells_piano_easy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9403/2025/files/cfa_curriculum_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7030/7995/files/dogiresalevupat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2029/5064/files/26255312160.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9040/1685/files/gasowivuvawidor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7007/0687/files/62061092470.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 3

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_off00007889.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7889 5380 bytes
SHA-256: 2068cd7dba785ecef65770e71cd029096e21c8bfb8277443d07950ef7078e02f
font_01_sfnt_off00008acb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8ACB 10224 bytes
SHA-256: 0f52defb57ffba74cfdb4c68d4ffc2cc9996b46f898e58d8d39bb440b1ea660f

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