Malicious PDF — malware analysis report

Static analysis result for SHA-256 d03e070911b80c1f…

MALICIOUS

PDF

43.9 KB Created: 2020-08-19 03:50:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f45ebf0c6e66104eb3553853e7c83521 SHA-1: 8088b9bba5e029799d7b7a345d5238c9dee62aaa SHA-256: d03e070911b80c1fe5fcf1d5ce5cbb58fd008f3ec764c00c0549c038a5ef3b7f
194 Risk Score

Malware Insights

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

The PDF contains embedded links, one of which, 'https://ttraff.cc/pify?keyword=enterobiasis+treatment+guidelines', is identified as a malicious redirector. The document body, though heavily obfuscated, appears to contain text related to 'Enterobiasis treatment guidelines', suggesting a lure to entice users to click the malicious link. The presence of numerous other PDF links, many pointing to Shopify domains, indicates a link farm strategy, likely to obscure the malicious destination. The ML classifier strongly flagged this PDF as malicious.

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=enterobiasis+treatment+guidelines In PDF document text
    • http://files.mawptacoma.com/uploads/1/3/0/7/130740130/zadofobuvuwinekolube.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/1/0433/8001/5271/files/car_wash_business_plan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/7860/3172/files/58439494015.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5434/2042/files/size_of_a4_sheet_paper_in_cm.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3945/7431/files/42184452732.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5837/8392/files/bixowejebobuwezekarawom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0876/1764/files/jekatofigimimoluridox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/ds2_iron_keep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8693/7253/files/tusanexuzatik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5809/4495/files/jeduvexuradegunigufas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0521/3847/files/54059433457.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6649/1042/files/equilibrium_constant_calculations_worksheet.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 3

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_off00006f89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F89 5244 bytes
SHA-256: d26e04a12cb542268bfd23670ef04a314893b2245c9c1fe259e99101a3aa1eba
font_01_sfnt_off0000813b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x813B 9980 bytes
SHA-256: ec2536a33cc6506c2369231f3a2d402b3d37282a4b013bee77dc379fa0a2f7a7

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