Malicious PDF — malware analysis report

Static analysis result for SHA-256 132fb943911dfdad…

MALICIOUS

PDF

48.2 KB Created: 2020-08-10 14:54:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d46061e41bb74e304f07a8686c8a38fe SHA-1: 335f1b89205faba2d222bb21b1c3006ffe9d3992 SHA-256: 132fb943911dfdad76a17f3030f4aa8259634913a21c9da7333f7c22dca5949a
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links that redirect to a malicious URL, identified by the 'ttraff.cc' domain. The document body, though heavily obfuscated, contains text related to 'Disadvantages of technology in hospitality industry pdf' and the malicious URL itself, suggesting a lure for users seeking information. The ML classifier strongly flagged this PDF as malicious, and heuristic rules indicate it's a redirector link and part of a link farm.

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=disadvantages+of+technology+in+hospitality+industry+pdf In PDF document text
    • http://vekosiraz.genegousiecoaching.com/uploads/1/3/2/6/132681352/0820a109b93e7.pdfIn PDF document text
    • http://files.quillenphysiciansehr.com/uploads/1/3/1/3/131383480/lisopip.pdfIn PDF document text
    • http://files.cartelivision.net/uploads/1/3/0/7/130739379/8777752.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/1/0431/8999/3636/files/need_for_speed_kickass.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4352/0666/files/12475593431.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7971/9330/files/interview_questions_for_ece_freshers_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5663/6828/files/fuwosov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7100/3037/files/jetufanuvagodevobik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4796/0232/files/xavelun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7227/5103/files/96038516425.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7128/4135/files/vulojogedomuniwigovuvev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8713/4882/files/african_american_a_concise_history.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2858/4347/files/mesobakedifuxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4325/8522/files/44325863650.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1282/3967/files/tojakawaki.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 1

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_off00007d90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D90 5580 bytes
SHA-256: f22915cff961c8e2062224cc7aa16715f708aa1d35d7d40bc43b10cc178916f7
font_01_sfnt_off00009089.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9089 10128 bytes
SHA-256: 6f772508d249bf3d4cf2d44363ca93b8a8015504f6cd0365158d31f73d6ad6d7

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