Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe5b4f5c80cad159…

MALICIOUS

PDF

106.7 KB Created: 2020-08-06 05:11:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 73773135864265207f3e369c69bbc765 SHA-1: 0ff8a0eb7678a012e33a5a8cfedf2494d915bf5a SHA-256: fe5b4f5c80cad1594010158d3f285985bae0872be9fa2d4dde3bd3e8659e4428
194 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to seemingly benign Shopify URLs, but one critical heuristic identified a link to a known malicious redirector. The primary malicious URL, 'https://ttraff.com/pify?keyword=nicolo+machiavelli+the+prince+pdf', is designed to redirect users to further malicious content. The document body, though heavily obfuscated, contains this malicious URL, indicating a social engineering attempt to trick users into downloading or accessing malicious files.

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=nicolo+machiavelli+the+prince+pdf In PDF document text
    • http://files.mtminc.co/uploads/1/3/1/3/131398334/sewejososuz_zarate_tonuxijiz_wizigimefome.pdfIn PDF document text
    • http://files.landscapeservicenassaucounty.com/uploads/1/3/0/7/130775229/a82743db68.pdfIn PDF document text
    • http://files.bringmorehappy.com/uploads/1/3/1/4/131453715/petugukomokida-jozelek-lukevip.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/1/0440/5103/8358/files/oxford_spanish_to_english_dictionary.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5369/4626/files/pobifuxab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3529/5905/files/air_pollution_control_a_design_approach_cooper.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6587/6379/files/gudezoxurivad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5841/1158/files/precalculus_with_limits_3e.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7708/4070/files/73165036353.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3645/8654/files/75899397208.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8940/2779/files/zopiguzug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1221/1359/files/tadevaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3880/1061/files/34045279240.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6055/9013/files/88224235591.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9068/2783/files/84031040502.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/7082322425.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000164c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x164C8 5248 bytes
SHA-256: 7806d176794f09c2bb2ca7866f5d67c239e92a8613b3d3684f43d70bff746115
font_01_sfnt_off00017684.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17684 11304 bytes
SHA-256: 75844fb1fab7dbd93635bf0bd39ea189a7235286e60fbae53208ebd9873d0792

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