Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c399b0d6e2a29ef…

MALICIOUS

PDF

38.4 KB Created: 2020-09-15 17:48:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f0d56d9bcc4dc1700a9fdd85da3b55b0 SHA-1: 4794e95bab30d1749d641d27e5fcce987eff23b9 SHA-256: 7c399b0d6e2a29ef2e828f875d5b0b9d08079e9193937e4fcc68c0ec53b58c35
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains heuristics indicating it links to malicious redirector infrastructure, specifically a URL designed to look like a Google Street View feature. The ML classifier also strongly flagged this PDF as malicious. The embedded URL, https://ttraff.club/pify?keyword=google+instant+streetview, is the primary indicator of malicious intent, likely serving as a lure for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • 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.
  • 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.club/pify?keyword=google+instant+streetview In PDF document text
    • http://files.imijwardrobe.com/uploads/1/3/0/7/130739850/nunuzigikukelij.pdfIn PDF document text
    • http://xuxaj.alpacasofaledo.com/uploads/1/3/0/7/130776436/867bc332a.pdfIn PDF document text
    • http://fokes.midatlanticbrassbandfestival.com/uploads/1/3/2/6/132683218/vixoneteb-losed-fofonok-pidogeli.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://static.usrfiles.com/ugd/1a94e8_a5cfe9f88a414622939b1917afbd5256.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_12c70df8f6874c928cbe2bf06766e928.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/36f25b_172283de0ec64f419bae46eaba714a27.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2391/7475/files/email_template_builder_software.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5449/0012/files/employment_certificate_format_for_us_visa.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 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004c6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C6F 4824 bytes
SHA-256: b483bad5e4c1b62d1ec7e7d652540c649c741a3a567213327ec850b7cc38d086
font_01_sfnt_off00005cf6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CF6 10120 bytes
SHA-256: 5d9ecf6d7c1c768c23a084d3f8997fbd60f27a08a58c90a64be0e620c4503790
font_02_sfnt_off00007f78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F78 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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