Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9ffea3e79b81b53…

MALICIOUS

PDF

42.2 KB Created: 2020-08-21 08:12:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ec9d9afac824b9eddc53b289f61f58fc SHA-1: 42ebd7b31e333cdfaf36f9efda658dc67893af39 SHA-256: b9ffea3e79b81b53c4c337c0c98f6c772548b942cc16768d9818ac093d1092f8
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document uses a lure related to "Powerpoint template design inspiration" to entice users. It contains a critical heuristic firing for a malicious redirector link pointing to ttraff.cc. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many of which point to Shopify domains, but one is hosted on zadidasoz.shoptheothersidegifts.com. The ML classifier strongly indicates maliciousness.

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=powerpoint+template+design+inspiration In PDF document text
    • http://zadidasoz.shoptheothersidegifts.com/uploads/1/3/1/6/131606490/nakipubiko_guxofafaxejat_zobefew.pdfIn PDF document text
    • http://files.pugetsoundfarmtables.com/uploads/1/3/1/0/131070934/posazupemopinofo.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/1/0431/1010/5255/files/bedroom_wall_decor_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7652/5988/files/3_storey_building_design.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9548/1750/files/5915564664.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7565/7125/files/55622783934.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7690/2309/files/leroxatifirijimezuris.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6013/3031/files/vehicle_information_by_engine_number.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6830/1212/files/dell_3110_cn_drivers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7106/9594/files/34818669218.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3320/6682/files/59029174429.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6470/4665/files/wapevosagemaxelug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2072/2080/files/convention_on_biological_diversity_text.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 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005b53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B53 5160 bytes
SHA-256: c627125033e08fef5d51a2056e51244e5049ad37c1f2dc4c89f93675096a8efb
font_01_sfnt_off00006cc2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CC2 9652 bytes
SHA-256: 981fddf407e158321ac9fac45fb0f889f64858e5ccb6ea427cf6381c5df6e242
font_02_sfnt_off00008dc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DC8 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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