Malicious PDF — malware analysis report

Static analysis result for SHA-256 edef171f4590aa7e…

MALICIOUS

PDF

42.1 KB Created: 2020-08-02 10:31:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 08bbd8fad3eb6f56df0677d96f89f908 SHA-1: e0a5d53de75282d96a39e743c8a494eaac6c6749 SHA-256: edef171f4590aa7e1abcb5f4d153e76735a3cb81dad576b4045a69146cfaf9dd
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirect URL and a reference to a children's song, likely serving as a lure. The ML classifier strongly indicated maliciousness.

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.com/pify?keyword=baby+elephant+walk+song In PDF document text
    • http://files.genevaassemblyofgod.com/uploads/1/3/1/4/131453177/lozuvopa-bapano.pdfIn PDF document text
    • http://files.geoffsholler.com/uploads/1/3/2/6/132682051/5432509.pdfIn PDF document text
    • http://files.withinneverwithout.com/uploads/1/3/1/4/131408465/8870683.pdfIn PDF document text
    • http://files.chhayacollective.com/uploads/1/3/0/9/130969811/dazakugigukoga_vuleliradito.pdfIn PDF document text
    • http://files.hireaecdirect.com/uploads/1/3/0/8/130874509/4106557.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/1/0430/7854/9665/files/letugitalifuxajebep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93527538138.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2675/0357/files/baxotuvifasikiras.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8858/4605/files/letanefo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8687/9647/files/lirufosojimurixotetir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8000/0423/files/78834755587.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1761/7057/files/domizigedaguzus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4160/2198/files/math_methods_in_the_physical_sciences.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5573/5193/files/bupijifako.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3989/1357/files/primality_test_python.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0965/4434/files/20525636676.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1801/7175/files/49418696101.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 6

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_off000067cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67CC 5432 bytes
SHA-256: 0a2ca693d024ea34a0edff49117a62a7320703b178d1e56809f686ed8f47c89a
font_01_sfnt_off00007a61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A61 9748 bytes
SHA-256: e91f425e04a512bad2da0a93e66f4b406705f40ae8b0c0189765d73078a5245d

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