PDF static analysis report

Static analysis result for SHA-256 82c10fad2b639d1f…

SUSPICIOUS

PDF

107.8 KB Created: 2021-07-14 08:03:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-04
MD5: fba9e411b1cbf08ee2d626a4561d3a4a SHA-1: 1072a2f0423fe36ac0554046977f69e4ee09ff07 SHA-256: 82c10fad2b639d1fdabdd0b3604fdd3e1f731429d4bbd5e8218779c201789135
46 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3242

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://feedproxy.google.com/~r/razvivatel/yapz/~3/pL_UGxDroB4/square?utm_term=how+to+find+the+buoyant+force+of+an+object+submerged+in+water PDF link annotation
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e794d748fdc259403cb727/1625789655724/hypoglycemia_blood_levels.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e8b3406bf7075d152317ee/1625862976637/17604813089.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60edd553537dfa200403a8e4/1626199379597/romusito.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000120ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x120BA 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off000138d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x138D1 11440 bytes
SHA-256: 975b8e1385612b96bb922ad8bfbd16d62144864611ad24401ce718cf1aff76c7
font_02_sfnt_off00015367.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15367 17064 bytes
SHA-256: d622904cf062b5a91e7f590e4a857f128f41e426ef60400150c936a16ac82974
font_03_sfnt_off00016c8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16C8D 19684 bytes
SHA-256: 5b128c5c7c2cddefeae0c589fac078618ac8853a82c6343f43385330827c1b4a

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