Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd1d2dad35270e6b…

MALICIOUS

PDF

46.2 KB Created: 2020-08-11 17:01:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4240a7d0cfc64fe73329bf09b718f4d2 SHA-1: 32f3ff20d9ca165d4b5e826c1abcb6b183bb61c1 SHA-256: fd1d2dad35270e6bab99d1429c5ed57a45a1d2c97094a4fe1ff24333944fca0f
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. The primary malicious link identified is https://ttraff.ru/pify?keyword=hal+foster+the+anti+aesthetic+pdf, which is flagged as a known malicious redirector. The document body, though heavily obfuscated, also contains this URL and other links hosted on Shopify, suggesting a tactic to distribute malicious content through seemingly legitimate platforms. No scripts were extracted, limiting the analysis to the PDF structure and embedded URLs.

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=hal+foster+the+anti+aesthetic+pdf In PDF document text
    • http://files.mobile-autoelectrical.com/uploads/1/3/0/8/130874457/zomimajolefedufinoxi.pdfIn PDF document text
    • http://nekuju.treherbertbowlsclub.co.uk/uploads/1/3/2/3/132302936/5214994.pdfIn PDF document text
    • http://files.etherealtoneworks.com/uploads/1/3/1/3/131379060/widebu.pdfIn PDF document text
    • http://vujazol.sophieyufeitang.com/uploads/1/3/2/6/132681590/2d15f9b8e.pdfIn PDF document text
    • http://files.outofthedarknessgriefsupport.com/uploads/1/3/0/8/130813738/3730870.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0056/9753/files/moforabubalu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2057/3080/files/90584195805.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2440/1063/files/runir_plusieurs_en_1_seul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2270/5055/files/sifigusotutalimadutuli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1283/3959/files/40200738618.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6820/3942/files/16630727106.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1309/5067/files/junopijodokupugariru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/bhagavad_gita_as_it_is_iskcon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0976/7584/files/10666373628.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7526/4924/files/fonefudisezim.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000066f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66F5 4992 bytes
SHA-256: 4ab9302f62283623ed8c26fdf6365f6298dc4f2888e09318eb93e6a30ed3b9cd
font_01_sfnt_off000077d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77D7 11596 bytes
SHA-256: a4580302a87f0bd6e66b7ea4ac778a03057f0747a025a4f0eb35ec3f4e1ed34c
font_02_sfnt_off00009dca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DCA 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333