Malicious PDF — malware analysis report

Static analysis result for SHA-256 767f1d5c688e569a…

MALICIOUS

PDF

50.4 KB Created: 2020-08-21 15:16:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 52a7bcc70b197375fb075af8b65cf5c3 SHA-1: c204447c9d9bf881f1366372a0c82989944476cc SHA-256: 767f1d5c688e569a8b084a653397bc520baf4b8bcd7aa422dfc148e7263f3d3b
194 Risk Score

Malware Insights

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

This PDF file contains numerous embedded links, many of which point to a redirector service. The primary malicious link, 'https://ttraff.ru/pify?keyword=cbc+news+world+report', is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other benign-looking Shopify links, suggesting a phishing or scam attempt to drive traffic to malicious sites. The ML classifier strongly flagged this PDF as malicious.

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.ru/pify?keyword=cbc+news+world+report In PDF document text
    • http://vipekoz.holistichealingspa.com/uploads/1/3/0/8/130873995/39183.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/1/0430/8631/5682/files/25047181211.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0926/1217/files/sipusafepab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5714/3205/files/43599033931.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8918/0310/files/kayla_itsines_28_day_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1778/9862/files/55491721721.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6365/7119/files/17939053629.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7162/5621/files/63282299497.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5796/1374/files/nizularalemupojogogaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7206/8520/files/ca_final_books_free_download.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_off000087a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87A2 4992 bytes
SHA-256: 523286debe68c9d5adcf40c6d0b1cb21c3467cc06a4e573eed3136ca8e3da998
font_01_sfnt_off000098ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x98AE 10656 bytes
SHA-256: 38ac61349d4b6f898afe48fc26ac5abe1e4eec93f511954582a96b1cddf572dc