Malicious PDF — malware analysis report

Static analysis result for SHA-256 543b9805abd9e706…

MALICIOUS

PDF

48.1 KB Created: 2020-08-04 16:40:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 88081fb967179e7ba24bd7df3478b428 SHA-1: 85d253bc570e46b7d801b19a88da353c50709f78 SHA-256: 543b9805abd9e706869effa1c1238ce6a3d1b9cf8057929415823ebc37dc824c
194 Risk Score

Malware Insights

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

The PDF file contains embedded links that redirect to malicious infrastructure. Specifically, a link to 'ttraff.com' is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'periodic table trends worksheet answer key pdf', suggesting a social engineering lure to trick users into clicking the malicious link. The presence of multiple external PDF links, many hosted on Shopify, indicates a link farm strategy to improve search engine ranking and distribute the malicious payload.

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=periodic+table+trends+worksheet+answer+key+pdf In PDF document text
    • http://files.dutchysmini.com/uploads/1/3/0/8/130813881/fokomudekekunenep.pdfIn PDF document text
    • http://files.thetravelenduro.com/uploads/1/3/0/7/130776126/9e547.pdfIn PDF document text
    • http://files.thebeprojectllc.com/uploads/1/3/0/8/130814411/zutevuveto.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/1/0428/2508/9191/files/97920750336.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9202/6271/files/bununepub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6459/7397/files/makano_dejame_entar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5170/3706/files/vozenetixiwuxivejuzo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9646434013.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9275/5103/files/18916272116.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9352/4637/files/powoxewonewiwexov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0923/6374/files/5127283394.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9328/5277/files/subusupezipipipanupawanu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3191/9765/files/juvefujeluxej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5543/0302/files/nizadejinunazuvox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7812/3680/files/malopemax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0781/9422/files/75197910790.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8333/3799/files/nuside.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000079b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79B1 5640 bytes
SHA-256: 98ffb25a8d4675ffc6e76d66045fdb457c19d7e3bc73f33b7cdc8bff6f681c1c
font_01_sfnt_off00008cea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CEA 10548 bytes
SHA-256: ec28bb544cfedb14f187442e07527354101e8cd37707753d4bfebde6215ccbdf

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