Malicious PDF — malware analysis report

Static analysis result for SHA-256 e38e26bb26a256b0…

MALICIOUS

PDF

42.0 KB Created: 2020-08-11 06:51:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 82a7311d299bc1ae9bdc116416010096 SHA-1: 6285c3eed81e4ff007c1a4c54b4afb4c92b0fd85 SHA-256: e38e26bb26a256b0eebae0c6ffe64a22d8133a2cf868c0c1f43cb035fcd5b7a5
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, many pointing to Shopify domains, forming a link farm. One critical heuristic identified a redirector link to 'ttraff.com', indicating a malicious redirection attempt. The document body, though heavily obfuscated, contains the same redirector URL. No scripts were extracted from this sample.

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=blood+clotting+pathway+pdf In PDF document text
    • http://files.createmoremusic.com/uploads/1/3/0/8/130814209/0d49a85ae82c47.pdfIn PDF document text
    • http://files.lironstravelblog.com/uploads/1/3/1/0/131070459/buwudejumide-mawedababibu-zegudotiboba-jekaloniko.pdfIn PDF document text
    • http://nawomilu.miradorkidsyoga.com/uploads/1/3/1/4/131483154/93a3e439de69.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/1/0435/5971/4971/files/vokenijusesiliw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8806/8254/files/18763784262.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kilezibuvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3877/7249/files/wazos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nemevisofopanufu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7768/8743/files/sunej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8787/1646/files/39814249563.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9901/2763/files/schneider_electric_building_management_system.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6876/5861/files/11268571222.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6022/3382/files/discord_bot_send_message_to_channel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1223/5159/files/bilosubub.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
🗂 Part of campaign: 4hcampohio.org 5 samples

Related samples 6

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_off000065b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65B9 5388 bytes
SHA-256: 24519365cd051f968e6b86e06194b7fdc1f11382bffe525758b368d4b6cca5a4
font_01_sfnt_off00007823.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7823 10488 bytes
SHA-256: e8b2b3f7758dde8c0c399117459dbe71c0e7dc30620ecf133b673258d0b76e9b

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