Malicious PDF — malware analysis report

Static analysis result for SHA-256 aae39cde9360c41b…

MALICIOUS

PDF

38.6 KB Created: 2020-03-09 05:14:36 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2021-05-15
MD5: 94ba5e05c878649af7ae9db34c41cb66 SHA-1: 8ae9dd3e7a6e3616b0b5e6057a071240429ff3a7 SHA-256: aae39cde9360c41b4dfe55d4b3f544de9862980d4c06ca136ad78811825673c3
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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://521.bpmtc.com/uploads/1/3/0/7/130739719/130739719.html#typhoid+test+kit+manufacturers+in+india PDF link annotation
    • http://nelsonrunning.com/uploads/1/3/0/7/130775251/rariwivonibexipuvete.pdfIn PDF document text
    • http://canyonsohana.com/uploads/1/3/0/8/130813786/8580318.pdfIn PDF document text
    • http://risechildrenschoir.org/uploads/1/3/0/3/130313471/2801986.pdfIn PDF document text
    • http://socialskillsamerica.org/uploads/1/3/0/5/130541924/e4fb7.pdfIn PDF document text
    • http://www.sensitivesavages.co/uploads/1/3/0/6/130621361/3920832.pdfIn PDF document text
    • http://bertangevaare.com/uploads/1/3/0/2/130288492/3296874.pdfIn PDF document text
    • http://generousprofits.com/uploads/1/3/0/4/130436431/8949512.pdfIn PDF document text
    • http://gloriasfashion.org/uploads/1/3/0/2/130272458/b5e58c478a46.pdfIn PDF document text
    • http://www.sukyoga.com/uploads/1/3/0/5/130543671/66eca05f97.pdfIn PDF document text
    • http://www.munir-zakee-1.solightpro.com/uploads/1/3/0/4/130483118/lejorawuva_xeponelu_zezeg.pdfIn PDF document text
    • http://mx.gweneverline.com/uploads/1/3/0/4/130488583/2295210.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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006d45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D45 8436 bytes
SHA-256: 1f85c3ec56d1763c84f9f67cba1865dd79192a95a1ee80f6bb79a7a80b7bcdae

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