Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a964dd52a315400…

MALICIOUS

PDF

42.1 KB Created: 2020-08-19 11:48:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5d774e06f4808b53919918381543d31e SHA-1: 253615b7e713f37cf76d952983e8b527a191d19d SHA-256: 6a964dd52a3154007caeea979aa79966187fc9b21d6dadd5c3740125f0f5cb5b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains numerous links, many pointing to a redirector infrastructure designed to obscure the final destination. The primary redirector URL, 'https://ttraff.com/pify?keyword=background+remover+software+free', is associated with malicious activity. The document body, though heavily obfuscated, contains this same URL, suggesting a phishing or scam attempt to lure users to malicious sites under the guise of offering free software. The ML classifier strongly supports the malicious verdict.

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=background+remover+software+free In PDF document text
    • http://files.patriksoderstam.com/uploads/1/3/0/7/130775263/winafanabew_jivenijalafibe_mivezekatuk.pdfIn PDF document text
    • http://pasowinef.materialsresearchgroup.com/uploads/1/3/0/7/130739704/d9fc0f.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/1/0429/5458/8316/files/84884361198.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7988/3170/files/42630016089.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4457/7178/files/9277587738.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3316/5986/files/77957780032.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0426/4601/files/pezewapeful.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7364/2406/files/snapchat_hack_tool.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5067/2033/files/81383554187.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1871/4264/files/javascript_tutorial_complete.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8107/1782/files/woleduzedukukegusi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2045/1997/files/90837225201.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/3217/6808/files/money_banking_and_finance_b._com_part_1_notes.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_off00006578.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6578 5572 bytes
SHA-256: 051e52aabc45b5194b0f1b3612fd6cd62255f6fa8c929fa79b31cfdf15e4d3b8
font_01_sfnt_off00007875.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7875 10284 bytes
SHA-256: 66d089be890fa38a85396527fa7183b7ccf5445994125962077c639982ae5ea8

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