Malicious PDF — malware analysis report

Static analysis result for SHA-256 93b4f1bb8f38b1b1…

MALICIOUS

PDF

73.9 KB Created: 2020-08-24 22:14:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: aee86e914f4d9eb316685d7438f56923 SHA-1: 991f6f6713592da447eb624016f41a286d3e77c2 SHA-256: 93b4f1bb8f38b1b1895747dbd1b2ef89e55b3cb05c7867321b26802d7c3edd77
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lure users into clicking on further malicious links. The document body, though heavily obfuscated, contains the URL and a title suggesting a lure related to environmental calculations. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to improve SEO for malicious content.

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=greenhouse+gas+emissions+calculator+guide In PDF document text
    • http://files.twigandnibbleshop.co.uk/uploads/1/3/0/9/130969699/710ca6cae.pdfIn PDF document text
    • http://zurop.pawsadventurewalkingservice.co.uk/uploads/1/3/0/7/130775735/gobupufisi-vodifaviget-xurebuvefodegop.pdfIn PDF document text
    • http://files.alldonemarketing.com/uploads/1/3/0/7/130775221/3822325.pdfIn PDF document text
    • http://files.nickpateras.org/uploads/1/3/2/7/132710655/d914f150ae.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/1/0433/6851/3686/files/jibagofupozula.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2351/5294/files/xazuposelapugebi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2329/3864/files/98861814752.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5114/7676/files/luperisixofufazi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1673/2320/files/45196742833.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6749/7880/files/fakipibewumixetelefex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6022/3397/files/52493123034.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1484/8671/files/12988829898.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2577/6288/files/80856314514.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6100/9829/files/zugovakubidem.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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_off0000cf33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF33 5384 bytes
SHA-256: 97d4b5b74dd96873617e51d41cb7585f04fe055391481d9f308b23d0218969bb
font_01_sfnt_off0000e152.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE152 10304 bytes
SHA-256: f862deb43e0ca409c5750a15f3cbc47f47a201b2280c0895c14ff8fab43afc88
font_02_sfnt_off000104ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x104AB 16204 bytes
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e

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