Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b7f60ffb54717f6…

MALICIOUS

PDF

52.0 KB Created: 2020-08-03 19:20:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1bcd7f24603582d6ac658ca531a999e7 SHA-1: 27d1630846cd0e1218b7b6c1d118ff1feec6336d SHA-256: 4b7f60ffb54717f67415d22f9b7cbafd23dbfde09b262cc4411706a4a9a78cf8
194 Risk Score

Malware Insights

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

The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure, specifically 'ttraff.com'. Additionally, another critical heuristic identified a mass external PDF link farm, with many links pointing to shopify.com domains. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and the target URL, suggesting a lure to a malicious site.

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=cadaver+synod+pdf In PDF document text
    • http://files.relativesintheattic.com/uploads/1/3/1/4/131452959/vevabutusobe_dopagevuw.pdfIn PDF document text
    • http://files.normawalton.ca/uploads/1/3/1/3/131380440/supenofalinu.pdfIn PDF document text
    • http://files.gleimlightmedia.com/uploads/1/3/1/0/131070062/c404fbc1328e.pdfIn PDF document text
    • http://files.fauquiershowandsale.org/uploads/1/3/1/4/131453048/wasuwiki_wukosisusiximo_lujepusuf_tirifewidosawi.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/1/0430/9411/4465/files/35039721619.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/16557511654.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4637/9426/files/ragekaratumig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6092/7393/files/bopopusizurupafobakela.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40169505762.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5214/6586/files/61054541128.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6955/4332/files/giwulusafiwepedaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1764/9819/files/kosobozupafogalaguxor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6653/0728/files/dabekonusivexe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8050/6773/files/4382735354.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1021/8391/files/welomikivikiziki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6671/0429/files/83833469529.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_off00008f45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F45 5068 bytes
SHA-256: f26c2b345d1fc4a88b370ef8434a01fb7bdb6ff899b93108a7e8c1e03b780c9e
font_01_sfnt_off0000a09d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA09D 10140 bytes
SHA-256: 1ddafe4e9c1625f01337dcf6e4b2f61f4d9e9027cf90df7d39beda3ced4772cf

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