PDF static analysis report

Static analysis result for SHA-256 19a8f74d52ec66cb…

SUSPICIOUS

PDF

32.5 KB Created: 2020-05-26 02:23:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-09-04
MD5: fe3239235a937157cea2694788b949be SHA-1: c76c180af9a20e94125ef0322786ae033ff3e42a SHA-256: 19a8f74d52ec66cb4dbd5b0b43d5322873603fa13391b5197e1c7db9634923f6
36 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a suspicious external website. The ML classifier strongly indicates maliciousness, and the presence of multiple unknown reputation URLs suggests a phishing or malware distribution attempt. No scripts were extracted, but the embedded URL is the primary indicator of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9967

Heuristics 3

  • 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 http://momointernational.org/uploads/1/3/1/4/131437194/131437194.html#steve+smith+drum+legacy+pdf PDF link annotation
    • http://carolinafarmsandhatchery.com/uploads/1/3/1/3/131383045/vupavuse-kawuxir.pdfIn PDF document text
    • http://twinhorsefarm.com/uploads/1/3/0/2/130291365/ff4bd44aaedcaa.pdfIn PDF document text
    • http://representaccounting.co.uk/uploads/1/3/0/6/130621422/5a7ac4dc4173.pdfIn PDF document text
    • http://grandcanyonatitsbest.com/uploads/1/3/1/4/131407632/sidetula.pdfIn PDF document text
    • http://hostmaster.chrisgander.com/uploads/1/3/0/7/130738781/xexiruxin_gokuvebiruzen.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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 1

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005422.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5422 10324 bytes
SHA-256: 570ddcdec2d9f4dc142e8988d9c53a15c8742df414d51017f7fde042aca56fa5

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