Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc67a26497627ba2…

MALICIOUS

PDF

43.6 KB Created: 2020-08-06 15:13:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 022cfb343ec5227cb7492c2ad1a89e37 SHA-1: 5c5909eeb10bcc9ee003f758c5f8db73a3d841c2 SHA-256: cc67a26497627ba2c1db1261b7929d829f40fec22b01ae77cfc6dbf39991ac4b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, many pointing to shopify.com domains, but one critical link directs to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains the text "Meridian energy pen pdf" and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier strongly supports the malicious verdict.

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=meridian+energy+pen+pdf In PDF document text
    • http://files.jarkoch.com/uploads/1/3/1/4/131406211/a22f228dd.pdfIn PDF document text
    • http://files.pacificplaycompany.com/uploads/1/3/1/4/131483184/c74632f.pdfIn PDF document text
    • http://files.markredwood.co.uk/uploads/1/3/1/6/131606874/8146290.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9315/6259/files/viripupozijegelusomodus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6400/8605/files/91238877524.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6488/3355/files/72495008912.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6083/0108/files/potiniramupiropawot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8570/2054/files/9027292341.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3080/6679/files/teluduzuwiwovuzadesetore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6001/0912/files/72182989605.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3253/4440/files/ruxadu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8567/6188/files/43655540489.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6656/4507/files/32181849577.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4363/5879/files/nelopabevuvo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7958/1352/files/72679217954.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8611/7032/files/svn_to_git.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 3

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_off00005f61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F61 4704 bytes
SHA-256: 870ab5a51904e6357cc7bcb686bde5dd592f54c9a620767488ca060574b7b9fa
font_01_sfnt_off00006f6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F6A 11072 bytes
SHA-256: 71c01d8859f20a722ffec95237ea19647dd343970980efd2169e891eba2eeabc
font_02_sfnt_off00009375.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9375 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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