Malicious PDF — malware analysis report

Static analysis result for SHA-256 469df5123a2b5fa8…

MALICIOUS

PDF

37.1 KB Created: 2020-09-13 04:57:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4950341d3cfe7fb8593531993b1fd030 SHA-1: 82623b601c80f03318f72225235c2e91a2584d37 SHA-256: 469df5123a2b5fa8249e4e04c56c433849dbda7aabd6122e3ee88c8b8525779e
184 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.link/wix?keyword=ik+multimedia+irig+blueboard+manual'. This indicates the document's primary purpose is to trick users into clicking this link, likely leading to further malicious content or exploits. The document also contains a large number of embedded links to other PDFs, suggesting a link farm or SEO poisoning tactic to distribute malicious 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.link/wix?keyword=ik+multimedia+irig+blueboard+manual In PDF document text
    • http://files.orchardparkhoa.net/uploads/1/3/1/4/131406372/eb4dedc2f.pdfIn PDF document text
    • http://files.daybydaymadellprice.com/uploads/1/3/0/8/130874370/nozaxufu.pdfIn PDF document text
    • http://files.casinodealerswebsite.com/uploads/1/3/1/3/131383493/punakonol-visawadij-jusuza.pdfIn PDF document text
    • http://padegesi.10thdistrictohio.org/uploads/1/3/1/3/131384169/7334072.pdfIn PDF document text
    • http://files.gswlifenetwork.com/uploads/1/3/2/7/132712154/pulonilefon.pdfIn PDF document text
    • http://bikaza.northeastnavigators.com/uploads/1/3/1/8/131856158/bikojisolojegamivuva.pdfIn PDF document text
    • http://files.christiancyclingtucson.org/uploads/1/3/1/4/131407823/257300.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static.usrfiles.com/ugd/74147a_e7ec60d6ec124c639a2ec5b3a8d57879.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/c57cae_183e7aedfe644fafbc5356f914461868.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/4bdc6d_ee1fead0fb934ae3af90b987940c3cb7.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/017c44_02dafad1e43c42da85d6c520c706d1ce.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/12745a_025d0422b4bb4a1a94dba00f25dc3ffe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6079/6318/files/water_supply_and_sanitary_engineering_by_rangwala.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1000/6940/files/happy_birthday_wishes_pics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3420/5590/files/93843694470.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8519/3621/files/spanish_to_english_translation_exercises_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1313/4743/files/10283520523.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 8

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_off00005114.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5114 5108 bytes
SHA-256: 058fc9db13d451ec0933b127ecfcd5430525bc3bed2d6eb63619e8b5bdca12d3
font_01_sfnt_off0000625c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x625C 10824 bytes
SHA-256: 0754b87e09328d234f6f541591c5636e52258a97832e324b6597895fdf189e33

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