Malicious PDF — malware analysis report

Static analysis result for SHA-256 02607465cd9cc5fe…

MALICIOUS

PDF

45.4 KB Created: 2020-08-04 21:37:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8f7e68349661d5a63fe224e3c436f076 SHA-1: e6cf54e37cb6a8229db7e0fd3e2a29e93a7a9d89 SHA-256: 02607465cd9cc5fe2762586de0f8ca17d77b8841c97923bd42f2f145161fc944
194 Risk Score

Malware Insights

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

The PDF contains a large number of links, many of which point to a redirector infrastructure designed for SEO spam and phishing. The embedded URL `https://ttraff.cc/pify?keyword=free+sheet+music+for+piano+beginners+pdf` is identified as a malicious redirector. This suggests the document is part of a campaign to drive traffic to malicious sites, likely for credential harvesting or malware distribution.

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=free+sheet+music+for+piano+beginners+pdf In PDF document text
    • http://files.jeremyclong.com/uploads/1/3/0/9/130969190/4777474.pdfIn PDF document text
    • http://files.whitegallowaysofwayby.com/uploads/1/3/0/8/130873907/fewubogukobavel-sixomolimu-mifip.pdfIn PDF document text
    • http://files.airbnbcleaningserviceanchorage.com/uploads/1/3/0/7/130739081/868753.pdfIn PDF document text
    • http://files.bottletreebehavioral.com/uploads/1/3/1/0/131070529/wegotuferoduni.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/1/0429/1634/8057/files/30122708905.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0944/1953/files/jovimoguvabag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1473/3480/files/27305863663.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0002/1667/files/65526241451.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78394199391.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3219/0876/files/95623738777.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vewurobafug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8748/7395/files/bizanejowukavuve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9258/2293/files/vasulafudutebegop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1659/3312/files/53663969609.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_off00007136.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7136 5632 bytes
SHA-256: 571fbaf8d56fd503a31ee9105430c09b4923a439f86152d9f32accd9d3646906
font_01_sfnt_off00008435.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8435 10588 bytes
SHA-256: 3be18077d0ee7c96ec55c84c8b4cfedac68914411507a24a2999bcbe8e9a531c

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