Malicious PDF — malware analysis report

Static analysis result for SHA-256 05a62ced661664cf…

MALICIOUS

PDF

34.9 KB Created: 2020-08-08 11:36:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b6443c6047bcd2687a9893d8841ac50e SHA-1: b3c9679bdb4d8a23b7863ebdbc6588868e1526d2 SHA-256: 05a62ced661664cfa9a363ef3a623d4147e55bbd0486d28d7f86d1bb9fa8c77a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links, many pointing to redirector infrastructure like ttraff.com, which is flagged as malicious. The document body and embedded links suggest a lure to download a songbook, but the actual destination is a malicious redirector. This indicates a phishing or scam attempt, likely using the document as an initial lure.

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=green+day+american+idiot+songbook+pdf In PDF document text
    • http://files.markmorelli.net/uploads/1/3/2/8/132815365/jotojotojidokus-siluvozasu.pdfIn PDF document text
    • http://buzudefu.littlesilverems.com/uploads/1/3/1/4/131452977/ec1d8c3ad930f95.pdfIn PDF document text
    • http://files.ktoart.com/uploads/1/3/1/3/131379877/befixigaxinuwiv_rulazejiraxipo_xifolexorirep.pdfIn PDF document text
    • http://files.greecepaint.com/uploads/1/3/2/8/132814136/1871782.pdfIn PDF document text
    • http://files.heartlandhospicemj.com/uploads/1/3/1/6/131636664/burov.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/1/0428/0533/0083/files/gigawezuruvixiju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3146/1016/files/balarama_mayavi_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2795/4853/files/national_sports_awards_2020_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8572/5850/files/assembly_language_step_by_step_programming_with_dos_and_linux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4133/9045/files/base64_string_to_converter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9906/8310/files/dunizagiluvoropatuwagabo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4106/2040/files/sixuviwekuwune.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/4255/9384/files/71356696028.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4245/6231/files/intraday_swing_trading_strategies.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7065/1542/files/casio_f_91w_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1648/7065/files/wavegofaxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9833/9496/files/cellule_vgtale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7152/7325/files/65398462526.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8015/5290/files/64080466768.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004777.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4777 5780 bytes
SHA-256: 9f5a877a8a0a6b91e37e74f310568ea5498dfc9d2257167322538d5e97a6b68b
font_01_sfnt_off00005b1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B1D 9788 bytes
SHA-256: 3a869f144559dd03ea52d940e83e5ad52ed868d808ab4c590c546e9ba45bdecf