Malicious PDF — malware analysis report

Static analysis result for SHA-256 74ff2ff92d5775dc…

MALICIOUS

PDF

43.1 KB Created: 2020-08-24 23:03:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 34ba7db52235991dc0a811472fac88b8 SHA-1: 25c4eab9b85afb4d395360980879a91ad1fa086a SHA-256: 74ff2ff92d5775dc967e15a27187d3ef677f05563eb7d5711ba07a66c027f08e
214 Risk Score

Malware Insights

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

The PDF contains numerous links to a redirector service, identified as a malicious link farm and SEO phishing lure. The primary redirector URL is https://ttraff.com/pify?keyword=franchising+as+a+growth+strategy+pdf, which likely leads to a phishing page or malware download. The document body, though heavily obfuscated, contains references to this redirector and other benign-looking PDF links, suggesting a deceptive lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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=franchising+as+a+growth+strategy+pdf In PDF document text
    • http://files.mitchellmillermusic.com/uploads/1/3/1/3/131398222/408135.pdfIn PDF document text
    • http://kojidog.kristengoetztattoo.com/uploads/1/3/2/6/132681670/nojaroz_foxekogu.pdfIn PDF document text
    • http://files.pulseev.com/uploads/1/3/0/8/130814769/fawonegebuxuzapurome.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/1/0429/3600/8871/files/49942933271.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2067/1400/files/ielts_reading_practice_test_2020_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6354/1913/files/land_contract_agreement_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lejozusuxawunulimedobina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5663/5805/files/charles_dickens_a_tale_of_two_cities_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7832/8221/files/sutebekoxaka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1063/7476/files/whatsapp_for_pc_windows_8._1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0378/1015/files/21709494178.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 4

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_off00006b23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B23 5532 bytes
SHA-256: cca82ee9a7e71ba1507121897a7592f5aa0cc8ce5ef704213e2e0126ca909687
font_01_sfnt_off00007dfb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DFB 9956 bytes
SHA-256: 3fc71daec48c4e88476d37bc6e2075a41d33ac9c6b618e358ac5ac022693955e

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