Malicious PDF — malware analysis report

Static analysis result for SHA-256 c52ddffa0dd346ea…

MALICIOUS

PDF

58.5 KB Created: 2020-08-23 16:56:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 13cf769329e350b03640148455a8afbf SHA-1: d10bad393a7565ca4363be758fe29333ca5da6a8 SHA-256: c52ddffa0dd346eaca22e8fae87584b04c4eb8a6015130f475e0e45d54504c17
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify. The primary malicious URL is likely used to redirect the user to a phishing or malware distribution site.

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=seven+deadly+sins+anime+episode+guide In PDF document text
    • http://files.reach4thestarsstore.com/uploads/1/3/1/6/131606866/kotigopinimixe-kogodinesawato-baxakani.pdfIn PDF document text
    • http://files.dimcpphotography.com/uploads/1/3/2/6/132681194/6f6f10a.pdfIn PDF document text
    • http://files.4seasonsathletics.com/uploads/1/3/0/7/130739742/074852330ea10a3.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/1/0431/5519/4011/files/81936698325.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6225/5006/files/68888105962.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7327/4018/files/vafofufidi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4363/5879/files/88411030285.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4228/2399/files/ordenar_frases_en_ingles_ejercicios.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3908/8027/files/puxajulefinevudu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6645/8266/files/69174302155.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0227/3703/files/manixivofudemazukibogelap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8860/1503/files/data_mining_jntu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5714/3199/files/22734858642.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7230/7875/files/lusalabo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7482/2044/files/roblox_gun_scripts.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 8

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_off00007a09.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A09 9096 bytes
SHA-256: e920b5952735517195df066c712b623f02de559c90cbc2353b41a9d77ab891a1
font_01_sfnt_off00009863.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9863 5448 bytes
SHA-256: 07a9642b2bf6b9d96d5e9759a532964914a9f84ee30a79742092312f77d043fb
font_02_sfnt_off0000aaed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAAED 16144 bytes
SHA-256: 232c3186a0e7342d9baf15f2b80dd88389361ee6efc787b490bb71222b344f5d

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