Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2f9282d6d8e159a…

MALICIOUS

PDF

43.4 KB Created: 2020-08-01 22:05:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8f6cbe7f08444ea2ba36d8cb6f3b0cec SHA-1: 47725d41d1f2bad1dbb385d9ef7cf11176fe926d SHA-256: d2f9282d6d8e159ad1f2b997cdc88f93cfb10f71ac1c5d4b87529f8a579433f5
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=wav+to+midi+convertor'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links hosted on cdn.shopify.com, suggesting an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes. The presence of a 'download button' lure further supports the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.ru/pify?keyword=wav+to+midi+convertor In PDF document text
    • http://files.mollyshappytrail.com/uploads/1/3/1/3/131379343/7917806.pdfIn PDF document text
    • http://files.1stunitedchurch.ca/uploads/1/3/0/8/130813696/2650888.pdfIn PDF document text
    • http://files.awakenteenleadership.net/uploads/1/3/2/7/132712006/833b28f6861.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/1/0431/8212/9320/files/77924127596.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6549/1107/files/dogifavirabovitosinim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0744/3103/files/xelijemulewuwuxob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93434530871.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4090/6135/files/viktor_build_paladins.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2977/3979/files/78256352958.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7954/8580/files/xonorilewosefu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0401/8336/files/mebef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3491/8558/files/47888641650.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rinavupomun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9414/5176/files/napalatofomivakeraguxali.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2924/0727/files/xupodab.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006bf4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BF4 4948 bytes
SHA-256: b09a37bce84d32362249a54c7f5b6223145b1a8d2533231d8db0df176785adae
font_01_sfnt_off00007cc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CC5 10572 bytes
SHA-256: 3591f73f52924ac5d6425e1e97012ede68c61bb64193fa92e01f87aab1f24681