Malicious PDF — malware analysis report

Static analysis result for SHA-256 5612c677e5f82719…

MALICIOUS

PDF

36.2 KB Created: 2020-08-13 10:05:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 42c43f01c324fc558ae3f6240333e295 SHA-1: f66d071d7805f09db8fa4518ae3d07c46bc7d43d SHA-256: 5612c677e5f827195314ad64cb2827222bb2d68075e792e4901b871e08cc2316
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 Command and Scripting Interpreter: PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, specifically `https://ttraff.com/pify?keyword=never+be+alone+shawn+mendes+piano+sheet+music+pdf`. This link is designed to lure users into downloading further malicious content. The document also exhibits characteristics of a PDF SEO link farm, with numerous embedded links, many pointing to Shopify domains. No scripts were extracted from this sample, but the presence of the malicious redirector is sufficient evidence of malicious intent.

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=never+be+alone+shawn+mendes+piano+sheet+music+pdf In PDF document text
    • http://files.mslinsplace.com/uploads/1/3/1/4/131406505/lozuke.pdfIn PDF document text
    • http://jerusogi.anthonydevito.com/uploads/1/3/1/3/131398367/9c26f38.pdfIn PDF document text
    • http://gewesitu.ucointernational.com/uploads/1/3/0/7/130775795/bexawixelulikar.pdfIn PDF document text
    • http://files.elitepowerinvestigations.com/uploads/1/3/2/8/132815206/raperokure.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/1/0434/5780/6486/files/11607256019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7231/4789/files/pdf_viewer_no_toolbar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5452/8677/files/40758773965.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6105/9482/files/76644877276.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0305/2191/files/skyrim_3d_rocks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4087/4408/files/78586034892.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6763/7922/files/43528047169.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5105/6295/files/perbedaan_arteriosklerosis_dan_aterosklerosis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0835/9589/files/technical_drawing_with_engineering_graphics_15th_edition_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6209/1167/files/bass_guitar_jazz_scales.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0854/0324/files/kozunenidelumaruzugaf.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 2

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_off00004c8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C8D 5656 bytes
SHA-256: c8da48005819e13121b6a4a6e4011b1e5cd4fd146a34f6cc038529a32d2e5c81
font_01_sfnt_off00005fb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FB0 10572 bytes
SHA-256: f4fa232cc9e3c534c27d7a38b1ed847d6f5e74626c4fb0a72fd2353703949e7c

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