Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef742a392be8a006…

MALICIOUS

PDF

44.6 KB Created: 2020-08-17 02:19:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3933ea6d871f53591a8952dc84846b2f SHA-1: b7a453fad1d2e70cb52889a9796b9dd4837ebd1a SHA-256: ef742a392be8a006019004c639a69d85fcbfc5041f24cc6f29e3ce9aa7a7abbe
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell T1059.003 Windows Command Shell T1059.007 JavaScript

The PDF contains a large number of embedded links, many pointing to Shopify domains, but also includes a critical link to a known malicious redirector at `ttraff.cc`. The document body text is heavily obfuscated but appears to contain keywords related to cloud identity, potentially as a lure. The presence of a malicious redirector suggests an intent to lead the user to a malicious site for phishing or malware delivery.

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=terraform+azure+user+assigned+identity In PDF document text
    • http://files.kristinbruni.com/uploads/1/3/0/9/130968985/2070633.pdfIn PDF document text
    • http://files.firstchoicelubrication.com/uploads/1/3/1/4/131438114/362f359e67767.pdfIn PDF document text
    • http://kanip.manchesterdrainservices.com/uploads/1/3/2/7/132712062/niwojipifulazad.pdfIn PDF document text
    • http://pozopox.outbackatpostoak.com/uploads/1/3/1/3/131398102/witamulik.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/1/0435/4224/9631/files/43489934543.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1100/4821/files/supasabuxatojitezawaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0596/8537/files/kimubolodixabowakux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2834/8056/files/sovolirakiroruvezopis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0423/0805/files/xepekefezufufinuxinemuvip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2873/4367/files/how_to_scale_an_image_in_photoshop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5783/0298/files/tanipubigu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/banefidofekadozimodomi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6303/1448/files/gibepopiwalek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/4470/5180/files/biogeography_a_level_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4252/0739/files/5709210901.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_off00006e77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E77 5296 bytes
SHA-256: 7ec537b03ea8a1533944a1468c689bc5befabfed8aa1e76c01ed4ee14cf4a391
font_01_sfnt_off00008076.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8076 10876 bytes
SHA-256: ea5204e4f7b1aec946868f4181d4004f60039948c629925db0c2ab6143a21383

Open this report in the interactive analyzer, or submit your own file for analysis.