Malicious PDF — malware analysis report

Static analysis result for SHA-256 e60f4d02297afc9f…

MALICIOUS

PDF

64.0 KB Created: 2020-08-20 01:19:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 254469828ec892f22bbf0b20e90bbc58 SHA-1: c83097d254571105a243503f11a78aeb61af6fe0 SHA-256: e60f4d02297afc9ff2907334c820ebd4a3d981ef7e4f9b3c2760d495d41f9b35
194 Risk Score

Malware Insights

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

This PDF document contains a link farm designed to redirect users to malicious infrastructure, specifically to a page promising a CCleaner license key. The primary malicious URL identified is https://ttraff.com/pify?keyword=piriform+ccleaner+professional+edition+license+key. The document body and embedded URLs strongly suggest a phishing or scam attempt.

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=piriform+ccleaner+professional+edition+license+key In PDF document text
    • http://deperevo.heugafoundation.org/uploads/1/3/0/8/130874493/1452820.pdfIn PDF document text
    • http://ligor.oyeskagreens.com/uploads/1/3/1/4/131407469/a999413870c.pdfIn PDF document text
    • http://files.clouddanceralpacas.com/uploads/1/3/1/3/131398145/gunorufixoru.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/1/0434/2199/1079/files/hereditary_hemorrhagic_telangiectasia_guidelines.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dazexirorojukulovamedifuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7509/3159/files/lijejufofadarid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5928/1048/files/96200718202.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6032/0663/files/mekakudakenepapixowenamas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5669/3397/files/96938483075.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/27392185694.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8278/4673/files/pharmaceutical_biochemistry_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1480/5914/files/athlean_x_hypertrophy_program.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4691/0617/files/55711799213.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1570/7551/files/junixizepupofozozupuso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3355/1260/files/sovukewakaxile.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 5

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_off0000b2f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB2F9 5468 bytes
SHA-256: e728a328ec3b1f10a6f6532addf2763d9f8a54ade45f1788778ae4f3ffeee82f
font_01_sfnt_off0000c579.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC579 14268 bytes
SHA-256: 7c817a11004d435754162cc43ff383a19737113e0982a9de19e9f39357dbba7b

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