Malicious PDF — malware analysis report

Static analysis result for SHA-256 5fc7bdcd297ef843…

MALICIOUS

PDF

48.4 KB Created: 2020-08-08 01:41:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9f9401e39bd16d30e13eb05700384fbd SHA-1: 2414eba7456234d90daa5050376d184dcdc9b67a SHA-256: 5fc7bdcd297ef84396bca860c9355ba5c402197f06b06a302f8ba01436f7e326
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to a redirector infrastructure associated with malicious activity. The document body and heuristics indicate a lure related to a "bloodleaf crystal smith pdf" which likely serves as a pretext to drive users to malicious sites. The presence of a known malicious redirector URL and a high ML classifier score strongly suggest 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.cc/pify?keyword=bloodleaf+crystal+smith+pdf In PDF document text
    • http://files.latitudetravelplanning.com/uploads/1/3/1/3/131383456/8600167.pdfIn PDF document text
    • http://bigumof.kamiza.com/uploads/1/3/2/7/132710621/pesafop.pdfIn PDF document text
    • http://files.surf-school-capbreton.com/uploads/1/3/1/4/131454766/sitegabunul.pdfIn PDF document text
    • http://files.balshamreview.com/uploads/1/3/1/4/131438308/sixumisavir.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/1/0432/9255/7462/files/14702556261.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0165/1105/files/10881203484.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4169/2570/files/gamegezasasedenofug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1733/8005/files/disable_macafee_on_mac.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2764/5084/files/bamuvepenewebi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0679/5686/files/37846686843.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8857/5638/files/56737909097.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1044/8798/files/85237613610.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6051/7269/files/21338555934.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sexewagufik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2784/7576/files/delegation_in_nursing_management.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8333/9678/files/stock_market_basics_in_telugu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6535/2097/files/tisitetemobuzuli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7327/2998/files/vuredexuxujaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5698/8317/files/87919260388.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008065.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8065 5544 bytes
SHA-256: 67c531be47e278fb6bf8f7541754c42f9bb804ebf429501865b8a0a777ddddf2
font_01_sfnt_off00009326.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9326 9760 bytes
SHA-256: 9d6b552333afaa116261badd5050806a30c7aaa6dee2be38a5a3b84a3f67d827

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