Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdb77712cf363522…

MALICIOUS

PDF

43.8 KB Created: 2020-08-03 23:15:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8c065cdc68bc8df4ea10ff0aa4570956 SHA-1: ba34cc4ff929b7fe83f6ab7ada64dabad7518ecf SHA-256: fdb77712cf36352294b688663e58fd9cd55f77be492948072aa9beff08b10eea
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though partially corrupted, contains text suggesting it's a template, and the primary malicious URL is 'https://ttraff.cc/pify?keyword=tell+me+about+yourself+template+pdf'. This URL is likely used to redirect the user to a malicious site. The presence of many Shopify-hosted PDF links suggests a link farm or SEO poisoning attempt to obscure the malicious redirector.

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.cc/pify?keyword=tell+me+about+yourself+template+pdf In PDF document text
    • http://files.hannirosemindfulness.co.uk/uploads/1/3/2/3/132302987/1033280.pdfIn PDF document text
    • http://files.confidance.com/uploads/1/3/1/6/131606016/edbfd1.pdfIn PDF document text
    • http://files.solarpowereducation.com/uploads/1/3/0/7/130776589/110e975d199e.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/1/0433/0687/7080/files/18842325712.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7379/8298/files/funiledakum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8657/5771/files/10869672894.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7994/8705/files/suwebugofumivoji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1049/7434/files/zofazopagawepopevelupa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jedufejaselikaruratemop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3391/9645/files/jikupaged.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4906/6397/files/berijevimikavumiwanizefe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6457/2569/files/organic_chemistry_solomons_12th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9711/0168/files/how_to_clear_weather_in_minecraft.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/baludugosutagaxoreforodul.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_off00006d4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D4D 5380 bytes
SHA-256: 1ecc3fa3475eae3bbb564497e418a37f4035bbf687d580d2a059ce23a6619cdc
font_01_sfnt_off00007f7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F7C 10316 bytes
SHA-256: ef84961ff9fa9b8e62facc19f9e94d6ba4ad0f16c91164ea2ebe2a6849c73cfa

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