Malicious PDF — malware analysis report

Static analysis result for SHA-256 c68a35047fd7d483…

MALICIOUS

PDF

41.8 KB Created: 2020-08-28 01:09:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 00474fac3d219d8b19c3e71bb2a5630e SHA-1: a410d2b1f40b3f9f81df383fb8757d46bd4e8d4f SHA-256: c68a35047fd7d483d29d990cc462ce4122cb84baf99853c1ac46e24c44083bca
194 Risk Score

Malware Insights

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

The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The document body contains a URL pointing to a known malicious redirector, 'ttraff.club', which is likely intended to lead users to a phishing or malware distribution site. The presence of numerous links, many pointing to Shopify domains, suggests a tactic to obscure the malicious destination or to appear as legitimate 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.club/pify?keyword=o+restaurante+atl%25C3%25A1ntico+dubai In PDF document text
    • http://files.altamonteab.org/uploads/1/3/1/3/131379530/6225280.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/1/0435/2868/3672/files/retorika_aristotle.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3298/4222/files/zorusepopujitajev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9158/2357/files/alif_novel_complete_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1610/0776/files/sap_business_objects_web_intelligence_4._0_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4840/2081/files/bokodunutemov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7580/6119/files/how_to_renew_texas_drivers_license.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5300/7526/files/giludemaxabifunukokezej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1531/5351/files/foxex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9376/2975/files/56808965330.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0290/3202/files/favawinilobotoxosiralofap.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 2

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_off00005c2d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C2D 5336 bytes
SHA-256: 35342f767b523138ddf0a3171b474449b0072f3a43553884dcaf7740b558491f
font_01_sfnt_off00006dc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DC0 13664 bytes
SHA-256: 50ebff67e27277cfeb3578ea3809ca42a4afbd8bc9f3d2466a2800fe53be5289

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