Malicious PDF — malware analysis report

Static analysis result for SHA-256 17e7cca03c91d9c6…

MALICIOUS

PDF

55.0 KB Created: 2020-08-21 01:47:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4ce601c9b918392b8d12210a6f78de0e SHA-1: 484c5147b40cdd7f2fd9e9db431f052746b9387e SHA-256: 17e7cca03c91d9c6ed9a0eb20d0726d8008cece064e199aef2caa59b71b14f63
194 Risk Score

Malware Insights

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

This PDF document acts as a link farm, directing users to a malicious redirector at 'https://ttraff.cc/pify?keyword=calendar+2019+free+template'. The document's content and numerous embedded links suggest an attempt to disguise malicious activity as a free template download, likely for phishing or malware distribution. The ML classifier strongly indicated maliciousness, and the presence of redirector links confirms a malicious intent.

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=calendar+2019+free+template In PDF document text
    • http://files.peaceoffaith.net/uploads/1/3/0/8/130813042/pizaw.pdfIn PDF document text
    • http://files.mahuadesigns.com/uploads/1/3/1/6/131606733/9926456.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/1/0431/7108/6492/files/tepubewumizorujepokix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5805/9671/files/8971744287.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9378/6791/files/75742188177.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7437/9164/files/71839546698.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2086/0064/files/69665253344.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1093/0341/files/numerical_methods_to_solve_partial_differential_equations.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8835/4207/files/sqlite_db_browser_for_windows_10.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9461/3924/files/navedulexafino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4420/8789/files/history_of_islamic_empire_in_urdu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0792/5654/files/early_transcendentals_8th_edition_reddit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4916/5734/files/sotusigogovabolipasip.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009970.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9970 5396 bytes
SHA-256: dcff38c7fbb480b74e639ecc08c41257b8e74a386bf7bfec06e1eed04cbb131f
font_01_sfnt_off0000abb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xABB8 10536 bytes
SHA-256: 5269cc71bcbb4113bd669753da2406804fc461f6944f364fe9dcd056b1e0690e

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