Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ff093d5b932c798…

MALICIOUS

PDF

42.6 KB Created: 2020-08-18 15:51:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 96b4f7ea6b6d2e37193e4668a6c5c5f6 SHA-1: 9d8e0b633549b1eeb2f288070d55281eeff4676d SHA-256: 1ff093d5b932c798af070ea25c3494a363762f1ff2517749ae8b0d41e2cbee66
194 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a worksheet answer key. The ML classifier strongly indicates maliciousness. The primary malicious URL, 'https://ttraff.cc/pify?keyword=states+of+matter+review+worksheet+answers', is designed to redirect users to potentially harmful content. The PDF also hosts a large number of external links, many pointing to Shopify domains, suggesting a link farm or SEO manipulation tactic to obscure the true malicious destination.

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.cc/pify?keyword=states+of+matter+review+worksheet+answers In PDF document text
    • http://files.liveruralaustralia.com/uploads/1/3/1/3/131398526/5a00ac01c3956.pdfIn PDF document text
    • http://ribabuzal.invisageblinds.com/uploads/1/3/1/3/131398097/6241761.pdfIn PDF document text
    • http://files.allnaturalservices.com/uploads/1/3/1/0/131070485/3626162.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/1/0431/9258/2293/files/rupapiwafosigi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6357/2635/files/expanded_metal_lath_data_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8009/7687/files/jopok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9664/5538/files/22645969453.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0500/8293/files/22229792161.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9946/4611/files/lajojakunarigiwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1947/4856/files/23801298813.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5505/5002/files/15483520769.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7791/7085/files/aristoteles_y_dante_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0279/0039/files/kufigitatanitadobimiji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3184/6296/files/muzetanutipexezaxiw.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_off000068bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68BD 5292 bytes
SHA-256: e0b060aca51228e724e5a67973a0584ac5c4470d45677eed561a9205490cbc91
font_01_sfnt_off00007aa7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AA7 10204 bytes
SHA-256: 6f9b8ba3502fbfcaabb8bfd991e83f91d4feaa5b8bf1182d3c3bfdf89031bd54

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