Malicious PDF — malware analysis report

Static analysis result for SHA-256 4966418c38939ecc…

MALICIOUS

PDF

45.7 KB Created: 2020-08-27 14:29:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6ef0b40bfd84688608fcf4defc72b761 SHA-1: f106833ca3d01b2e278ad7cf8b710f740829881a SHA-256: 4966418c38939ecc9e741c420819dd5f8fa3a6bbc4f9fad1b5d0898197772a66
194 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with one heuristic identifying it as a PDF link farm. The primary malicious link points to a redirector, suggesting an attempt to obscure the final destination. The document body contains garbled text and a URL that appears to be part of the link farm. The presence of numerous links, including one to a redirector, indicates a likely attempt to distribute malicious content or manipulate search engine results.

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=ugly+robert+hoge+summary In PDF document text
    • http://files.ninelivestwine.com/uploads/1/3/0/8/130874629/vezik_gunefitotokek.pdfIn PDF document text
    • http://rifabekis.geoffx.com/uploads/1/3/2/8/132814038/tafamofulobetus.pdfIn PDF document text
    • http://files.leeluummakeupartistry.com/uploads/1/3/1/3/131381204/6495412.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0456/4369/4247/files/animoto_free_crack.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/88075317933.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/9664/0407/files/el_procedimiento_monitorio_piero_calamandrei.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2027/1264/files/34241344377.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4389/8019/files/31082445995.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5335/0040/files/vivid_verbs_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1356/0731/files/brinkmann_select_grill_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8768/1954/files/inland_aquaculture_engineering_fao.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0459/0242/files/blank_calendar_september_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1079/1323/files/gmail_bypass_apk_file.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0718/0954/files/43392024076.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2068/9306/files/12906431616.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65AC 5060 bytes
SHA-256: 96a825a25455a8d0acea25648fd6c277e47dc3305c2db35f85a65244a3e92ee3
font_01_sfnt_off000076ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76EA 10924 bytes
SHA-256: 505889a526525a696aa16844cfeba1fbd3d3cf93993f0e15c8114730a4c88f6f
font_02_sfnt_off00009c34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C34 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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