Malicious PDF — malware analysis report

Static analysis result for SHA-256 38a89f9f2061a637…

MALICIOUS

PDF

43.3 KB Created: 2020-08-20 02:19:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0074b1ce27ee81757b87bfc12dba3996 SHA-1: 9155ff5cc4254e1fabe4f69a1e74f336d2ec1b03 SHA-256: 38a89f9f2061a637154bb594a8236d22a06ad2fbdd1b14691c2326030789813f
194 Risk Score

Malware Insights

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

This PDF document contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One of these links, https://ttraff.ru/pify?keyword=formentera+balearic+islands+holidays, is identified as a malicious redirector. The document body, though heavily corrupted, appears to contain keywords related to holidays, likely as a lure. The presence of a malicious redirector suggests an attempt to lead the user to a malicious site, potentially for further exploitation or phishing.

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.ru/pify?keyword=formentera+balearic+islands+holidays In PDF document text
    • http://files.freedomhoops.org/uploads/1/3/0/8/130813357/5078164.pdfIn PDF document text
    • http://jagoboz.lewiswalsh.net/uploads/1/3/0/8/130874493/287509.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/1/0448/1299/2672/files/using_complete_square_form_to_factorise.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0332/8150/files/metro_pcs_rebate_status.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vazakiliduvapi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1460/9305/files/19975768915.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6309/6984/files/solid_angle_arnold.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3724/5086/files/bangla_islamic_baby_name_book_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6084/7004/files/tipos_de_arbol_de_decisiones.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0986/7929/files/72983424008.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2171/4079/files/nudipijaju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4557/5061/files/fimarum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5247/4267/files/88748697543.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 5

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_off00006a10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A10 5376 bytes
SHA-256: d394638877f872c87b1a5e050eafc1bff06662ca5b13e084a2e5b66b707135be
font_01_sfnt_off00007c25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C25 10596 bytes
SHA-256: 58070036871c351527cb8d0d806a8e4fd4ed4785316057a235d05b353d1da8a6

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