Malicious PDF — malware analysis report

Static analysis result for SHA-256 02b8a2126b1df6b5…

MALICIOUS

PDF

44.4 KB Created: 2020-08-02 14:47:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c380cd933339ca117cddb990c625582d SHA-1: e54925a845132c625a848c6bb5a8544be93192cc SHA-256: 02b8a2126b1df6b51f8203c5825adc8ea2b8f485d4c6d458796feaae4deb66d2
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link disguised as a technical query, which redirects to a known malicious domain. The document also includes a large number of links to other PDFs hosted on Shopify, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly indicated maliciousness, and the presence of redirector links confirms a malicious intent to lead the user to harmful 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.ru/pify?keyword=how+to+terminate+program+in+java In PDF document text
    • http://files.liveslivedwithlaw.net/uploads/1/3/0/7/130775277/9262953.pdfIn PDF document text
    • http://files.powerofplaywilmington.com/uploads/1/3/2/7/132712234/bunefekonibafedapob.pdfIn PDF document text
    • http://files.foxstoneexteriors.ca/uploads/1/3/0/8/130873997/2cacc2cd.pdfIn PDF document text
    • http://files.ieleaders.net/uploads/1/3/0/7/130776718/45c35ab516bd.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/1/0436/1935/2740/files/jaxopososozikexoginuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6289/4495/files/nesasifovexowiludovof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1828/8285/files/61470509322.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1322/6139/files/41045265103.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9413/8277/files/18722688213.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/41240334292.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3033/0019/files/gmat_questions_and_answers_2016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4970/4854/files/70595142707.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0275/7281/files/6335700640.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4275/0114/files/91043953131.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65233410578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5313/7576/files/jamigo.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_off00006f08.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F08 5120 bytes
SHA-256: d1ed887d440c2ba7e9989c11873b752d0728270102fd0175fe230c336cdac2b2
font_01_sfnt_off00008073.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8073 10604 bytes
SHA-256: cdfc5449f5b354f409196590af0bbf90520a56539d569bddb837f51c75f520e7

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