Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e09d65f5e282ccf…

MALICIOUS

PDF

44.8 KB Created: 2020-08-09 18:12:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: da2620e276863df0222968099d8ffc99 SHA-1: b67e389358e4bdc483b0fbeae4a648231a44af84 SHA-256: 7e09d65f5e282ccfa16617809befc51c263518958d22bd317c3a8fdf1662f3db
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains a large number of external links, many of which point to a redirector service known for malicious activity. The document body and embedded links suggest a lure for free downloads, likely to facilitate phishing or malware distribution. The ML classifier strongly indicated maliciousness, and the presence of redirector links reinforces this assessment.

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=faringitis+aguda+y+cronica+pdf In PDF document text
    • http://files.stewartsrestoration.com/uploads/1/3/1/8/131856539/8884725.pdfIn PDF document text
    • http://files.sonsofitalycgc.org/uploads/1/3/1/0/131070751/lejos.pdfIn PDF document text
    • http://files.naude.eu/uploads/1/3/0/8/130814258/4346797.pdfIn PDF document text
    • http://files.magnificomusic.com.au/uploads/1/3/0/7/130775701/e9a3b0f04ad816.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/1/0432/3767/1080/files/pdf_catequesis_primera_comunion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5590/4918/files/63904191523.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0168/2843/files/mofov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4026/8711/files/ribimelepopixifiluxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9945/4628/files/piviwegamubuvepaviko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5327/7589/files/que_es_la_anemia_normocitica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6564/7012/files/fopugajimivaluvuwebesox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1280/8091/files/52609757234.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7794/9848/files/72834559022.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1958/3138/files/fewapubaxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4933/6483/files/copy_and_paste_in_vim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3866/2053/files/32355585915.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 7

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_off00006d66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D66 5348 bytes
SHA-256: 5d967266502ce8b37dd5951cffa495534822164c5e29a3d1659de347b789ca0d
font_01_sfnt_off00007fb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FB2 11380 bytes
SHA-256: c8292697af3bc09e15d103dc53d99af20c548f6b4420dd9a6bb44f88640f1446

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