Malicious PDF — malware analysis report

Static analysis result for SHA-256 df15bb05f6371bc5…

MALICIOUS

PDF

42.0 KB Created: 2020-08-18 23:40:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a244d11d60b471da874ae2d5a587c2e4 SHA-1: ea45d0b32c81c51d3ac639d4d9fe223d22fd8e4a SHA-256: df15bb05f6371bc5dde9e9664d91fef07be7bab5ed50bef6b097e66c7c470cf5
194 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, which is designed to lead users to further malicious content. The document body, though heavily obfuscated, contains the same URL, suggesting a lure to a phishing or malware distribution site. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to manipulate search engine results.

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.com/pify?keyword=cara+membuat+blog+via+hp+android In PDF document text
    • http://vuzolurit.noosadesignblogger.com/uploads/1/3/1/4/131407424/xatakiz_mudadevo_vobeloxu.pdfIn PDF document text
    • http://zanisud.nicoleuphotos.com/uploads/1/3/1/0/131070109/zinutika.pdfIn PDF document text
    • http://files.johndileonardo.ca/uploads/1/3/0/9/130969053/2246162.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/1/0428/1021/2519/files/76568818237.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/botolewapaniwid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8151/2613/files/rikidixomumakogufa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4783/0183/files/94838037523.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6802/3194/files/reretavizakazajivubigogav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0441/9478/files/6th_grade_math_fractions_worksheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4416/7064/files/rudujidopolovupuvutedonot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5479/2866/files/72151468241.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/edexcel_igcse_human_biology_revision_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fofigez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8023/6702/files/langman_s_medical_embryology_12th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1533/1227/files/kodimojemekawuvupagelogel.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
🗂 Part of campaign: drsusankentarce.com 5 samples

Related samples 2

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_off000066c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66C4 5300 bytes
SHA-256: d2fe2d99782fb50c8279a63814ca418b659a99c1df4f6bd53162d43741aecaef
font_01_sfnt_off000078a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78A3 10128 bytes
SHA-256: 2a3ad9bce850dd81c0b097e96a93c27904dd169a75b85868a593e81be880190a

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