Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2375aec22211aa0…

MALICIOUS

PDF

46.6 KB Created: 2020-07-27 20:43:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: feb35959667e8b2bece9e7777ded1f7d SHA-1: 7726d559b3b09f04df56d809e1539e23ee98a73f SHA-256: e2375aec22211aa00cb193614cb1531951b4f8906568cc017bcee8a16aa6a7ad
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One of the primary links, 'https://ttraff.cc/pify?keyword=java+jdk+6++mac', is identified as a malicious redirector. This suggests the document's purpose is to direct users to malicious infrastructure, likely for further exploitation or credential harvesting. The presence of a link farm indicates a potential SEO poisoning or spamming campaign.

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=java+jdk+6++mac In PDF document text
    • http://files.castlecomplexcafe.com/uploads/1/3/0/8/130814070/nunenedor-medux-febivonap-felodofizude.pdfIn PDF document text
    • http://files.indiangrovechurch.com/uploads/1/3/1/8/131871721/1129561.pdfIn PDF document text
    • http://files.stemfutureleaders.com/uploads/1/3/1/4/131453127/ramidepemiruzato.pdfIn PDF document text
    • http://files.changingfutures.org.uk/uploads/1/3/1/6/131606087/mufegesitawiko-matuwomap-xivekun-vokozufeletefuz.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/1/0433/2149/1621/files/kusanapagilez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5875/5749/files/zenajokutorejotavexete.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6085/3912/files/vijetimuwapaxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7153/6285/files/31872166470.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80835258875.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7247/1715/files/jodasijuwizowepodeso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2090/9735/files/tenesarigesenibizefelufen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0311/7719/files/85315853238.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52244446143.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0390/3127/files/28703535493.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8143/1195/files/vabetegepuxuzobuvejini.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3236/3676/files/11643284743.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_off000072a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72A9 4448 bytes
SHA-256: 365996ddc490a3653dc81d45469b6b658555dffe3d9f16f2959406c5cf15ad5f
font_01_sfnt_off000081ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81CA 13956 bytes
SHA-256: 1d3a938e3bf688a35766bb2a7fc0f20f124a29338c82fe8dfc12c8311cf18cb1

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