PDF static analysis report

Static analysis result for SHA-256 f8cd239fe295f2a3…

SUSPICIOUS

PDF

32.7 KB Created: 2020-05-14 22:45:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-09-24
MD5: 159e8b54eda493fd0eb1db11bb8d3563 SHA-1: cab1dd66002a5dee7911b4623798c9b7d45b3262 SHA-256: f8cd239fe295f2a3aa29cb5b9e6e2c1e6f7da4a753ac238e5d78f77afa14f630
36 Risk Score

Malware Insights

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

The ML classifier strongly indicated maliciousness, and the document contains multiple embedded URLs pointing to potentially malicious domains. The presence of these URLs suggests an attempt to redirect the user to a compromised or malicious website. No scripts were extracted from this sample, limiting further analysis of its execution behavior.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

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://robertshrigleywoolf.com/uploads/1/3/0/5/130588780/130588780.html#proper+bench+press+form+lower+back PDF link annotation
    • http://tasteinthedark.com/uploads/1/3/0/7/130776212/rovose-budutawaligi.pdfIn PDF document text
    • http://cornholefamily.com/uploads/1/3/0/4/130483138/6563782.pdfIn PDF document text
    • http://thrivingventure.com/uploads/1/3/0/7/130739070/2497390.pdfIn PDF document text
    • http://whinebytheglass.com/uploads/1/3/0/9/130969710/ba1b3c.pdfIn PDF document text
    • http://militaryhistorylive.com/uploads/1/3/1/3/131381464/1c7ed37ad8.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_off000051d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51D9 10832 bytes
SHA-256: 7241e258916a9845ecbe6f683458d9a9b8405920076c4d2471572b366626283f

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