Malicious PDF — malware analysis report

Static analysis result for SHA-256 304516f58d46893c…

MALICIOUS

PDF

87.3 KB Created: 2020-08-15 02:06:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f9baaf02e8f311cdf7a21c345c2a7311 SHA-1: 3c78aff501930a78f437d4f01d337db218a6ead0 SHA-256: 304516f58d46893c3a7ff39d4dc7856e5e6264b195b16d8dfd6ccf3a6b449934
202 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it links to known malicious infrastructure. Additionally, PDF_SEO_LINK_FARM suggests a large number of outbound links, with the primary one being to a redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=dungeoneering+runescape+guide', which is likely intended to trick the user into clicking it. The presence of multiple Shopify URLs, while some are confirmed benign, indicates a pattern of hosting content on such platforms.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=dungeoneering+runescape+guide In PDF document text
    • http://files.mselias.com/uploads/1/3/2/6/132695280/8118290.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/1/0431/1531/5349/files/31428363658.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0012/6880/files/kofovorupamuxosexubu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1129/0782/files/30459187582.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5785/7187/files/34244730101.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2153/9240/files/94480996654.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6706/4991/files/89277038206.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0513/2456/files/type_1_diabetes_mellitus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1806/7876/files/25868662088.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3346/7807/files/cbse_class_11_physical_education_syllabus_pdf.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010ba3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BA3 5008 bytes
SHA-256: a599b5f1c2de9c94b5f62082eadeef6e014111c2ef24b27e505d2dfc4c3e4a91
font_01_sfnt_off00011cab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11CAB 10968 bytes
SHA-256: aa08383215af506a7f068b89383b653159febd856248395ad1131c39fa2c1dd4
font_02_sfnt_off0001421d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1421D 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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