Malicious PDF — malware analysis report

Static analysis result for SHA-256 5950075245e6b1fc…

MALICIOUS

PDF

57.9 KB Created: 2020-08-02 09:55:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 769750be971af32e4b74b1d7bccf7543 SHA-1: 771094a4dd631f1cb74863b907b751b21af3ad8a SHA-256: 5950075245e6b1fcd1c1d2b8b4993e11eed685de5b5dcafa9c0c42c66a3ff656
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body also contains this URL, suggesting a lure to download a book, which then redirects to the malicious site. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The primary malicious URL is 'https://ttraff.com/pify?keyword=50+sombras+de+grey+libro+2+pdf'.

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=50+sombras+de+grey+libro+2+pdf In PDF document text
    • http://files.paulnoordhof.com/uploads/1/3/2/7/132712315/6455214.pdfIn PDF document text
    • http://files.gigilynfineart.com/uploads/1/3/0/8/130815303/patifipebararo_letadul_tezuwexiz_famovemipovali.pdfIn PDF document text
    • http://files.lynnegobioff.com/uploads/1/3/0/7/130776502/koribuzisub-wupajedovux-busaruwimem-degonikilokelol.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/1/0428/1945/3095/files/pete_s_dx6_d3d_driver_1._77.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0517/4179/files/getopuxiserelivan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8684/7903/files/vovogofuforilo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1448/7190/files/kemakejokij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3594/1274/files/44249688808.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zovoxumaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7916/4314/files/navidilamekox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6643/3429/files/jefavomomoridekijigar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3797/4950/files/30810470981.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3264/0679/files/24694312802.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5644/7136/files/54543794580.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7743/5556/files/46184335702.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 8

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_off00009ff5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9FF5 5904 bytes
SHA-256: c73a4a250351b5f04705e10bdc7fbf0cd9ccfb1f4d9e12ce02fbc02f9e61de03
font_01_sfnt_off0000b3fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB3FB 11308 bytes
SHA-256: b4c9b4e364dc81e327896e274f32bf78220c7f792766e22f70aa96e0a7cb0fe0

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